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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_________________
FORM 10-Q
_________________
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2022
or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________
Commission File Number: 001-36866
_______________________________
Summit Therapeutics Inc.
(Exact name of registrant as specified in its charter)
_____________________
Delaware
37-1979717
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer Identification No.)

2882 Sand Hill Road, Suite 106,
Menlo Park, CA
(Address of principal executive offices)



94025

(Zip Code)

617-514-7149
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address and former fiscal year, if changed since last report)
_________________
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock, $0.01 par value per share
SMMT
The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer Accelerated filer
Non-accelerated filer Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of November 2, 2022, there were 201,321,175 shares of common stock, par value $0.01 per share, outstanding.
1





Page
PART I
Item 1.
4
5
6
7
8
Item 2.
Item 3.
Item 4.
PART II
Item 1.
Item 1A.
Item 2.
Item 3.
Item 4.
Item 5
Item 6.























2


INFORMATION REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q, or this Report, contains forward-looking statements that involve substantial risks and uncertainties. All statements contained in this Report, other than statements of historical fact, including statements regarding our strategy, future operations, future financial position, future revenues, projected costs, prospects, plans and objectives of management, are forward-looking statements. The words “anticipate,” “believe,” “estimate,” “expect,” “intend,” “may,” “plan,” “predict,” “project,” “target,” “potential,” “will,” “would,” “could,” “should,” “continue,” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. The forward-looking statements in this Report include, among other things, statements about:

the timing of and our ability to seek a partner or a divestiture of ridinilazole (formerly SMT19969), the Company's Phase III product candidate for the treatment of patients with Clostridioides difficile infection (formerly known as Clostridium difficile infection);
the timing and conduct of clinical trials for any other product candidates;
the potential benefits of our Discuva Platform to identify new bacterial targets for drug discovery and development;
our plans to conduct research and development and advance potential new mechanism antibiotic compounds identified and developed under our Discuva Platform;
the potential benefits and future operation of our collaboration with the Biomedical Advanced Research and Development Authority, or BARDA;
the potential benefits and future operation of our license and commercialization agreement with Eurofarma Laboratórios SA, or Eurofarma;
our plans with respect to possible future collaborations and partnering arrangements;
the potential benefits of possible future acquisitions or investments in other businesses, products or technologies;
our plans to pursue research and development of other future product candidates;
the potential advantages of our new mechanism antibiotics;
the rate and degree of market acceptance and clinical utility of our new mechanism antibiotics;
our estimates regarding the potential market opportunity for our new mechanism antibiotics;
our sales, marketing and distribution capabilities and strategy;
our ability to establish and maintain arrangements for manufacture of our product candidates;
our intellectual property position;
our estimates regarding expenses, future revenues, capital requirements and needs for additional financing;
the impact of government laws and regulations;
our competitive position;
the need to raise additional capital to fund ongoing operations and capital needs; and
the impact of the novel coronavirus pandemic (COVID-19) and the response to it.

We may not actually achieve the plans, intentions or expectations disclosed in our forward-looking statements, and you should not place undue reliance on our forward-looking statements. Actual results or events could differ materially from the plans, intentions and expectations disclosed in the forward-looking statements we make. We have included important factors in the cautionary statements included in this Report, particularly in the “Risk Factors” section in this Report, that we believe could cause actual results or events to differ materially from the forward-looking statements that we make. Our forward-looking statements do not reflect the potential impact of any future acquisitions, mergers, dispositions, joint ventures or investments we may make.

You should read this Report and the documents that we have filed as exhibits to this Report completely and with the understanding that our actual future results may be materially different from what we expect. We do not assume any obligation to update any forward-looking statements.
3


PART I - FINANCIAL INFORMATION
Item 1. Financial Statements.
Summit Therapeutics Inc.
Condensed Consolidated Balance Sheets
(in thousands, except share and per share data)
(Unaudited)
September 30, 2022 December 31, 2021
Assets
Current assets:
Cash and cash equivalents $ 121,971  $ 71,791 
Accounts receivable 140  1,464 
Prepaid expenses 1,622  7,161 
Other current assets 428  1,201 
Research and development tax credit receivable 12,958  15,695 
Total current assets 137,119  97,312 
Non-current assets:
Research and development tax credit receivable 3,301  — 
Property and equipment, net 930  694 
Right-of-use assets 4,230  2,790 
Goodwill 1,655  2,009 
Intangible assets, net 7,952  10,399 
    Other assets 140  170 
Total assets $ 155,327  $ 113,374 
Liabilities and stockholders' equity
Current liabilities:
Accounts payable $ 1,431  $ 4,374 
Accrued expenses 11,141  7,197 
Accrued compensation 2,509  4,125 
Lease liabilities 1,392  1,091 
Deferred revenue and other income —  7,939 
Other current liabilities 209  897 
Total current liabilities 16,682  25,623 
Non-current liabilities:
Lease liabilities, net of current portion 2,973  1,691 
Other non-current liabilities 2,424  2,776 
Total liabilities 22,079  30,090 
Commitments and contingencies (Note 16)
Stockholders' equity:
Preferred stock, $0.01 par value, 20,000,000 shares authorized; none issued and outstanding at September 30, 2022 and December 31, 2021, respectively
—  — 
Common stock, $0.01 par value: 350,000,000 shares authorized; 201,321,175 and 98,039,540 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively
2,013  980 
Additional paid-in capital 493,553  384,049 
Accumulated other comprehensive loss (3,217) (2,197)
Accumulated deficit (359,101) (299,548)
Total stockholders' equity 133,248  83,284 
Total liabilities and stockholders' equity $ 155,327  $ 113,374 
        
The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
4


Summit Therapeutics Inc.
Condensed Consolidated Statements of Comprehensive Loss
(in thousands, except share and per share data)
(Unaudited)

Three Months Ended September 30, Nine Months Ended
September 30,
2022 2021 2022 2021
Revenue $ 220  $ 1,309  $ 705  $ 1,558 
Operating expenses:
Research and development 17,049  19,943  46,613  62,245 
General and administrative 5,573  5,662  19,165  15,831 
Total operating expenses 22,622  25,605  65,778  78,076 
Other operating income 5,462  4,810  13,283  16,379 
Operating loss (16,940) (19,486) (51,790) (60,139)
Other expense, net (4,445) (113) (7,763) (1,364)
Net loss $ (21,385) $ (19,599) $ (59,553) $ (61,503)
Net loss per share:
Basic and diluted (0.14) (0.20) $ (0.52) $ (0.67)
Weighted-average shares used to compute net loss per share:
Basic and diluted 148,582,751  98,973,910  115,110,095  91,771,286 
Comprehensive loss:
Net loss $ (21,385) $ (19,599) $ (59,553) $ (61,503)
Other comprehensive (loss) income:
Foreign currency translation adjustments (49) (863) (1,020) 352 
Comprehensive loss $ (21,434) $ (20,462) $ (60,573) $ (61,151)


The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.


5


Summit Therapeutics Inc.
Condensed Consolidated Statements of Stockholders' Equity
(in thousands, except share data)
(Unaudited)

Three Months Ended September 30, 2022
Common Stock Additional Paid-In Capital Accumulated Other Comprehensive Loss Accumulated Deficit Total Stockholders' Equity
Shares Amount
Balance at June 30, 2022 98,122,356  $ 981  $ 391,220  $ (3,168) $ (337,716) $ 51,317 
Rights offering of common stock, net of offering costs of $111
103,092,783  1,031  98,858  —  —  99,889 
Issuance of common stock under stock purchase plans and exercise of stock options 106,036  107  —  —  108 
Stock-based compensation —  —  2,798  —  —  2,798 
Imputed interest on promissory note payable to a related party —  —  570  —  —  570 
Foreign currency translation adjustment —  —  —  (49) —  (49)
Net loss —  —  —  —  (21,385) (21,385)
Balance at September 30, 2022
201,321,175  $ 2,013  $ 493,553  $ (3,217) $ (359,101) $ 133,248 
Nine Months Ended September 30, 2022
Common Stock Additional Paid-In Capital Accumulated Other Comprehensive Loss Accumulated Deficit Total Stockholders' Equity
Shares Amount
Balance at December 31, 2021 98,039,540  $ 980  $ 384,049  $ (2,197) $ (299,548) $ 83,284 
Rights offering of common stock, net of offering costs of $111
103,092,783  1,031  98,858  —  —  99,889 
Issuance of common stock under stock purchase plans and exercise of stock options 188,852  293  —  —  295 
Stock-based compensation —  —  9,290  —  —  9,290 
Imputed interest on promissory note payable to a related party —  —  1,063  —  —  1,063 
Foreign currency translation adjustment —  —  —  (1,020) —  (1,020)
Net loss —  —  —  —  (59,553) (59,553)
Balance at September 30, 2022 201,321,175  $ 2,013  $ 493,553  $ (3,217) $ (359,101) $ 133,248 
Three Months Ended September 30, 2021
Common Stock Additional Paid-In Capital Accumulated Other Comprehensive Loss Accumulated Deficit Total Stockholders' Equity
Shares Amount
Balance at June 30, 2021 97,351,799  $ 974  $ 373,882  $ (2,579) $ (252,850) $ 119,427 
Rights offering of common stock, net of offering costs of $41
—  —  (41) —  —  (41)
Issuance of common stock from exercise of stock options 276,712  728  —  —  730 
Stock-based compensation —  —  2,644  —  —  2,644 
Foreign currency translation adjustment —  —  —  (863) —  (863)
Net loss —  —  —  —  (19,599) (19,599)
Balance at September 30, 2021 97,628,511  $ 976  $ 377,213  $ (3,442) $ (272,449) $ 102,298 
Nine Months Ended September 30, 2021
Common Stock Additional Paid-In Capital Accumulated Other Comprehensive Loss Accumulated Deficit Total Stockholders' Equity
Shares Amount
Balance at December 31, 2020 82,575,064  $ 826  $ 293,367  $ (3,794) $ (210,946) $ 79,453 
Rights offering of common stock, net of offering costs of $159
14,312,976  143  74,698  —  —  74,841 
Issuance of common stock from exercise of stock options 740,471  1,861  —  —  1,868 
Stock-based compensation —  —  7,184  —  —  7,184 
Imputed interest on promissory note payable to a related party —  —  103  —  —  103 
Foreign currency translation adjustment —  —  —  352  —  352 
Net loss —  —  —  —  (61,503) (61,503)
Balance at September 30, 2021 97,628,511  $ 976  $ 377,213  $ (3,442) $ (272,449) $ 102,298 

The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.
6


Summit Therapeutics Inc.
Condensed Consolidated Statements of Cash Flows
(in thousands)
(Unaudited)
Nine Months Ended
September 30,
2022 2021
Cash flows used in operating activities:
    Net loss $ (59,553) $ (61,503)
        Adjustments to reconcile net loss to net cash used in operating activities:
            Non-cash interest expense 853  480 
            Unrealized foreign exchange loss (gain) 4,271  (646)
            Loss on disposal of assets — 
            Amortization of operating right-of-use assets 960  765 
            Depreciation 261  251 
            Amortization of intangible assets 697  768 
            Stock-based compensation 9,290  7,184 
        Change in operating assets and liabilities:
            Accounts receivable 2,387  (2,070)
            Prepaid expenses 5,006  1,065 
            Other current assets 558  (82)
            Research and development tax credit receivable (3,675) (11,607)
            Deferred revenue and other income (7,554) (1,336)
            Accounts payable (1,763) (347)
            Accrued liabilities 4,817  3,313 
            Accrued compensation (2,437) 1,098 
            Operating lease liabilities (891) (743)
Net cash used in operating activities (46,773) (63,408)
Cash flows used in investing activities:
            Purchases of property and equipment (634) (186)
Net cash used in investing activities (634) (186)
Cash flows provided by financing activities:
            Proceeds from the issuance of common stock for rights offering 100,000  75,000 
            Transaction costs related to the issuance of common stock for rights offering (111) (159)
            Proceeds from related party promissory notes 25,000  110,000 
            Repayment of related party promissory notes (25,000) (110,000)
            Payment of related party promissory notes issuance costs —  (54)
            Proceeds received related to employee stock awards 295  1,868 
Net cash provided by financing activities 100,184  76,655 
Effect of exchange rate changes on cash (2,597) 770 
Increase in cash and cash equivalents 50,180  13,831 
Cash at beginning of the period 71,791  66,417 
Cash and cash equivalents at end of the period $ 121,971  $ 80,248 
Nine Months Ended
September 30,
2022 2021
Supplemental Disclosure of Cash Flow Information:
Cash paid for interest on related party promissory notes $ 434  $ 85 
Cash paid for income taxes — 
Transaction costs included in accrued expenses —  41 
Lease assets obtained in exchange for operating lease liabilities 2,756  2,124 


The accompanying notes are an integral part of the unaudited condensed consolidated financial statements.


7

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)


1. Nature of Business and Operations and Recent Events

Nature of Business and Operations

The terms "Summit" and the "Company" refer to Summit Therapeutics Inc. and its subsidiaries. The Company is a biopharmaceutical company focused on the discovery, development, and commercialization of patient-, physician-, caregiver- and societal-friendly medicinal therapies intended to improve quality of life, increase potential duration of life, and resolve serious unmet healthcare needs. The Company's novel pipeline of product candidates is designed with the goal to become the patient-friendly, new-era standard-of-care medicines.

On September 28, 2022, the Company determined that it will seek partners or a divestiture of ridinilazole, the Company's lead product candidate for treading patients suffering from Clostridioides difficile infection, also known as C. difficile infection, or CDI, as the path forward for the clinical development of the asset. In alignment with this determination, the Company has discontinued its only active study, a pediatric clinical trial evaluating ridinilazole for treating adolescent patients with CDI.

The Company's second product candidate, SMT-738, was announced in May 2021 for combating multidrug resistant infections, specifically carbapenem-resistant Enterobacteriaceae (“CRE”) infections. SMT-738 is the first of a novel class of precision antibiotics that has entered into preclinical development. The Company has two additional discovery-phase assets in its pipeline with undisclosed targets in the therapeutic area of oncology.

The Company's intention is to expand its pipeline product portfolio in the therapeutic area of oncology and/or product offerings that are designed to work in harmony with the human gut microbiome. The Company intends to enact this through business development activities, including possible acquisitions and/or collaborations in addition to internal research and discovery efforts.

Recent Events

In August 2022, the Company announced the closing and final results of its previously announced rights offering. The rights offering commenced on July 18, 2022, and the associated subscription rights expired on August 8, 2022. Aggregate gross proceeds from the rights offering were $100,000 from the sale of 103,092,783 shares of the Company's common stock at a price of $0.97 per share. Issuance costs were $111. In connection with the closing of the rights offering, the 2022 Note, which is defined in Note 12, matured and became due, and the Company repaid all principal and accrued interest thereunder using a portion of the proceeds from this rights offering on August 10, 2022.

On July 27, 2022, the Company held a Special Meeting of Stockholders (the "Special Meeting") whereby the following matters were submitted to a vote of the Company’s stockholders at the Special Meeting: (i) an amendment to the Company’s Restated Certificate of Incorporation, dated September 18, 2020, to increase the number of authorized shares of common stock by 100,000,000 (from 250,000,000 to 350,000,000); and (ii) an amendment to the Summit Therapeutics Inc. 2020 Stock Incentive Plan (the “Plan”) to increase the number of shares of the Company’s common stock issuable under the Plan by 8,000,000 shares.

As noted above, on September 28, 2022, the Company determined that it will seek partners or a divestiture of ridinilazole as the path forward for the clinical development of the asset. In alignment with this determination, the Company has discontinued its only active study for ridinilazole, a pediatric clinical trial evaluating ridinilazole for treating adolescent patients with CDI.

2. Basis of Presentation and Use of Estimates

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States ("U.S. GAAP") and pursuant to the rules and regulations of the U.S. Securities and Exchange Commission. Accordingly, certain information and disclosures required by U.S. GAAP for complete consolidated financial statements are not included herein. All intercompany accounts and transactions have been eliminated
8

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
in consolidation. The interim financial data as of September 30, 2022, and for the three and nine months ended September 30, 2022 are unaudited; however, in the opinion of management, the interim data includes all adjustments, consisting of normal recurring adjustments, necessary for a fair statement of the results for the interim periods. The condensed consolidated balance sheet presented at December 31, 2021 has been derived from the consolidated audited financial statement as of that date. The results of the period are not necessarily indicative of full year results or any other interim period. These unaudited interim condensed consolidated financial statements should be read in conjunction with the audited financial statements and notes thereto of the Company which are included in the Summit Annual Report on Form 10-K for the year ended December 31, 2021 filed with the Securities and Exchange Commission on March 17, 2022. The financial results of the Company's activities are reported in United States Dollars.

The progression of the COVID-19 pandemic continues to evolve and its enduring impact on the Company's business remains uncertain. Management believes the estimates and assumptions underlying its unaudited interim financial statements are reasonable and supportable based on the information available as of September 30, 2022, however, the extent to which the COVID-19 pandemic impacts the Company's financial results for the remainder of 2022 and beyond will depend on future developments that are highly uncertain and cannot be predicted at this time.

Use of Estimates

The preparation of these unaudited condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, management evaluates its estimates and judgments, including those related to revenue recognition, accrued research and development expenses, stock-based compensation, intangible assets, goodwill, other long-lived assets and income taxes. Management bases its estimates and judgments on historical experience and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.


3. Recently Issued or Adopted Accounting Pronouncements

In November 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2021-10, " Government Assistance (Topic 832)." This ASU increases the transparency of government assistance including the disclosure of (1) the types of assistance, (2) an entity's accounting for the assistance, and (3) the effect of the assistance on an entity's financial statements as diversity currently exists in the recognition, measurement, presentation and disclosure of government assistance received by business entities because of the lack of specific authoritative guidance in U.S. GAAP. This ASU is effective for annual periods, and interim periods within those fiscal years, beginning after December 15, 2021. Early application of this ASU is permitted. The Company adopted and applied the amendments of this ASU to its disclosures during the fourth quarter of 2021 and the application of this ASU did not have a material impact on its financial position, results of operations or cash flows.

In October 2021, the FASB issued ASU No. 2021-08, "Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers." This ASU improves the accounting for acquired revenue contracts with customers in a business combination by addressing diversity in practice and inconsistency relating to: 1) recognition of an acquired contract liability and 2) payment terms and their effect on subsequent revenue recognized by the acquirer. The amendments in this ASU require acquiring entities to apply Topic 606 to recognize and measure contract assets and contract liabilities in a business combination, whereas current U.S. GAAP requires that the acquirer measure such assets and liabilities at fair value on the acquisition date. This ASU is effective for annual periods, and interim periods within those fiscal years, beginning after December 15, 2022. The Company will apply this ASU on a prospective basis for business combinations once this ASU is effective and at that time will be able to determine the potential impact on its financial position, results of operations or cash flows.

In May 2021, the FASB issued AS No. 2021-04, "Earnings Per Share (Topic 260), Debt - Modifications and Extinguishments (Subtopic 470-50), Compensation - Stock Compensation (Topic 718), and Derivatives and Hedging Contracts in Entity's Own Equity (Subtopic 815-40) - Issuer's Accounting for Certain Modifications or Exchanges of Freestanding Equity-Classified Written Call Options." This ASU provides clarification and reduces diversity in an issuer’s accounting for
9

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
modifications or exchanges of freestanding equity-classified written call options (such as warrants) that remain equity classified after modification or exchange. This ASU is effective for annual periods, and interim periods within those fiscal years, beginning after December 15, 2021. The Company adopted this ASU during the first quarter of 2022 and the adoption of this ASU did not have a material impact on its financial position, results of operations or cash flows.

4. Liquidity and Capital Resources

During the three and nine months ended September 30, 2022, the Company incurred a net loss of $21,385 and $59,553, respectively, and cash flows used in operating activities for the nine months ended September 30, 2022 was $46,773. As of September 30, 2022, the Company had an accumulated deficit of $359,101, cash and cash equivalents of $121,971, current and long-term research and development tax credits of $16,259 and accounts receivable of $140. The Company expects to continue to generate operating losses for the foreseeable future. Until the Company can generate substantial revenue and achieve profitability, the Company will need to raise additional capital to fund its ongoing operations and capital needs.

In August 2022, the Company announced the closing and final results of its previously announced rights offering. The rights offering commenced on July 18, 2022, and the associated subscription rights expired on August 8, 2022. Aggregate gross proceeds from the rights offering were $100,000 from the sale of 103,092,783 shares of the Company's common stock at a price of $0.97 per share. Issuance costs were $111. In connection with the closing of the rights offering, the 2022 Note, which is defined in Note 12, matured and became due and the Company repaid all principal and accrued interest thereunder using a portion of the proceeds from this rights offering on August 10, 2022. Based on the Company's current funding arrangements and financial resources as of September 30, 2022, the Company has the ability to fund its operating costs and working capital needs for more than twelve months from the date of issuance on this quarterly report on Form 10-Q. Depending on the Company's future liquidity needs, it may need to seek additional funding in the future.

The Company continues to evaluate options to further finance its operating needs for its product candidates through a combination of some, or all, of the following: equity and debt offerings, collaborations, strategic alliances, grants and clinical trial support from government entities, philanthropic, non-government and not-for-profit organizations. There is no assurance, however, that additional financing will be available when needed or that management of the Company will be able to obtain financing on terms acceptable to the Company. If the Company is unable to obtain funding when required in the future, the Company could be required to delay, reduce, or eliminate research and development programs, product portfolio expansion, or future commercialization efforts, which could adversely affect its business prospects.

The accompanying consolidated financial statements are prepared assuming the Company will continue as a going concern, which contemplates the realization of assets and satisfaction of liabilities in the normal course of the business. The consolidated financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classifications of liabilities that might result from the outcome of this uncertainty.

5. Segment Reporting

The Company's chief operating decision makers (the "CODM function"), which are the Company's Co-CEOs, Mr. Robert W. Duggan and Dr. Maky Zanganeh, utilize financial information to make decisions about allocating resources and assessing performance for the entire Company. The CODM function approves of key operating and strategic decisions, including key decisions in clinical development and clinical operating activities, entering into significant contracts, such as revenue contracts and collaboration agreements and approves the Company's consolidated operating budget. The CODM function views the Company’s operations and manages its business as a single reportable operating segment. The Company's single reportable operating segment covers the Company’s research and development activities, primarily comprising of the CDI program and antibiotic pipeline research activities. As the Company operates as one operating segment, all required financial segment information can be found in the condensed consolidated financial statements.


10

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
The Company operates in two geographic regions: the U.K. and the U.S. The following table summarizes the Company's long-lived assets, which include the Company's property and equipment, net and right-of-use assets by geography:

September 30, 2022 December 31, 2021
United Kingdom $ 2,390  $ 2,762 
United States(1)
2,770  722 
$ 5,160  $ 3,484 
__________
(1) The increase of long-lived assets in the United States is primarily attributed to additional right-of-use assets recorded related to the Company's Menlo Park, California location.

For details of revenue from external customers by geography refer to Note 6.

6. Revenue

The following table summarizes revenue by category:
Three Months Ended
September 30,
Nine Months Ended
September 30,
Revenue by category: 2022 2021 2022 2021
Licensing agreements $ 220  $ 1,309  $ 705  $ 1,558 
Revenue recognized in the period consists only of amounts received from the license and commercialization agreement with Eurofarma Laboratórios S.A.
The following table summarizes revenue by geography:
Three Months Ended
September 30,
Nine Months Ended
September 30,
Revenue by geography: 2022 2021 2022 2021
Latin America $ 220  $ 1,309  $ 705  $ 1,558 
The analysis of revenue by geography has been identified on the basis of the customer’s geographical location.

The following table summarizes the deferred revenue relating to Eurofarma Laboratórios S.A. and deferred other income relating to BARDA (as defined in Note 7):

2022
2021
Beginning deferred revenue and other income, January 1 (1)
$ 7,939  $ 8,939 
Additions 956 4,526
Amount of deferred revenue and other income recognized in the statement of operations (8,479) (5,532)
Foreign currency adjustments (416) (422)
Ending deferred revenue and other income, September 30 (2)
$ —  $ 7,511 
____________
(1) Beginning deferred revenue and other income as of January 1, 2022 and 2021 included $7,939 of current and $0 of long-term deferred revenue and other income, and $8,370 of current and $569 of long-term deferred revenue and other income, respectively.
(2) Ending deferred revenue and other income as of September 30, 2022 and 2021 included $0 of current and $0 of long-term deferred revenue and other income, and $7,511 of current and $0 of long-term deferred revenue and other income, respectively.

As of January 1, 2022, deferred revenue is comprised of $756 and $7,183 relating to Eurofarma and BARDA, respectively.

Refer to Note 7 below for further details regarding other income recognized under the BARDA contract.
11

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)

Eurofarma Laboratórios S.A.
On December 21, 2017, Summit announced it had entered into an exclusive license and commercialization agreement with Eurofarma Laboratórios S.A. ("Eurofarma"), pursuant to which the Company granted Eurofarma the exclusive right to commercialize ridinilazole in specified countries in South America, Central America and the Caribbean. The Company has retained commercialization rights in the rest of the world.

Under the terms of the license and commercialization agreement with Eurofarma, the Company received an upfront payment of $2,500 from Eurofarma in December 2017. In February 2020, the Company reached the first enrollment milestone and earned $1,000. In September 2021, the Company reached the second enrollment milestone and earned $1,250. The terms of the contract have been assessed under Accounting Standards Codification 606 and currently only the upfront payment and the first two enrollment milestone payments are included in the transaction price. These payments are initially recorded as deferred revenue in the balance sheet and are recognized as revenue ratably over the performance period.

Revenue recognized during the three and nine months ended September 30, 2022 and 2021, related to the upfront payment and the first two enrollment milestones earned in accordance with the Company's revenue recognition policy. The revenue is being recognized ratably over the performance period to reflect the transfer of control to the customer occurring over the time period that the research and development services are provided by the Company. This output method is, in management’s judgment, the best measure of progress towards satisfying the performance obligation. As of September 30, 2022, the Company has recognized $4.7 million of cumulative income since inception.

7. Other Operating Income

The following table sets forth the components of other operating income by category:
Three Months Ended
September 30,
Nine Months Ended
September 30,
Other operating income by category: 2022 2021 2022 2021
Funding income from BARDA (as defined below) $ 3,889  $ 644  $ 7,774  $ 3,974 
Research and development tax credits 1,224  3,815  3,730  11,698 
Grant income from CARB-X (as defined below) 349  351  1,779  707 
$ 5,462  $ 4,810  $ 13,283  $ 16,379 

BARDA (as defined below)

In September 2017, the Company was awarded a funding contract from the Biomedical Advanced Research and Development Authority ("BARDA"), part of the Office of the Assistant Secretary for Preparedness and Response at the United States Department of Health and Human Services, in support of the Company's Ri-CoDIFy clinical trials and clinical development of of ridinilazole.

The awarded contract was originally worth up to $62,000. In June 2019 and again in January 2020, BARDA increased the value of the contract such that it is now worth up to $72,500 and brought the total amount of committed funding to $62,400.

The remaining federal government funding was dependent on BARDA in its sole discretion exercising the final independent option work segment, upon the achievement by the Company of certain agreed-upon milestones for ridinilazole. This option work segment was never exercised by BARDA. The contract ran through April 2022 and was extended through December 2022 as a no cost contract, solely to close out open activities. As of September 30, 2022, based on translation of historical foreign currency amounts in the period, the Company has recognized $58,886 of cumulative income since contract inception. As a result of the Company's decision to not pursue further internal clinical development of ridinilazole and seek partners or a divestiture related to ridinilazole as the path forward for the clinical development of the asset, the Company recognized the remainder of the deferred income for BARDA during the three and nine months ended September 30, 2022.


12

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
Research and development tax credits

Income from research and development ("R&D") tax credits, consists of R&D tax credits received in the U.K. The Company benefits from two U.K. R&D tax credit cash rebate regimes: Small and Medium Enterprise Program ("SME Program") and the Research and Development Expenditure Credit Program ("RDEC Program"). Qualifying expenditures largely comprise employment costs for research staff, consumables, a proportion of relevant, permitted sub-contract costs and certain internal overhead costs incurred as part of research projects for which the Company does not receive income. Tax credits related to the SME Program and RDEC Program are recorded as other operating income in the condensed consolidated statements of comprehensive loss. Under both schemes, the Company receives cash payments that are not dependent on the Company’s pre-tax net income levels.

Based on criteria established by HM Revenue and Customs, a portion of expenditures being carried out in relation to the Company's pipeline research and development activities are eligible for the SME regime.

As of September 30, 2022, the current and non-current research and development tax credit receivable was $12,958 and $3,301, respectively. As of December 31, 2021, the current and non-current research and development tax credit receivable was $15,695 and $0, respectively. The decrease in the current research and development tax credit receivable comparing September 30, 2022 to December 31, 2021 is due to unfavorable changes in foreign currency.

CARB-X (as defined below)

In May 2021, the Company announced the selection of a new preclinical candidate, SMT-738, from the DDS-04 series for development in the fight against multidrug resistant infections, specifically carbapenem-resistant Enterobacteriaceae ("CRE") infections. Simultaneously, the Company announced it had received an award from the Trustees of Boston University under the Combating Antibiotic-Resistant Bacteria Biopharmaceutical Accelerator program ("CARB-X") to progress this candidate through preclinical development and Phase 1a clinical trials. The award commits initial funding of up to $4,100, with the possibility of up to another $3,700 based on the achievement of future milestones. As of September 30, 2022, based on translation of historical foreign currency amounts in the period, the Company has recognized $2,846 of cumulative income since contract inception. During the quarter ended June 30, 2022, CARB-X announced changes to its funding arrangements and terms and conditions. As a result, the current arrangement concluded as of June 30, 2022, however, the Company has the ability to recognize revenue for any milestone payments related to work incurred subsequent to this date in accordance with the arrangement. The Company is in current discussions with CARB-X to negotiate a new agreement.

8. Loss per Share

The following table sets forth the computation of basic and diluted net loss per share:

Three Months Ended
September 30,
Nine Months Ended
September 30,
2022 2021 2022 2021
Net loss $ (21,385) $ (19,599) $ (59,553) $ (61,503)
Basic weighted average number of shares of common stock outstanding 148,582,751  98,973,910  115,110,095  91,771,286 
Diluted weighted average number of shares of common stock outstanding 148,582,751  98,973,910  115,110,095  91,771,286 
Basic net loss per share $ (0.14) $ (0.20) $ (0.52) $ (0.67)
Diluted net loss per share $ (0.14) $ (0.20) $ (0.52) $ (0.67)

Basic net loss per share is computed by dividing the net loss by the weighted-average number of common shares outstanding for the period. Diluted net loss per share is computed by dividing the diluted net loss by the weighted-average number of common shares outstanding for the period, including potentially dilutive common shares. Since the Company was in a loss position for all periods presented, basic net loss per share is the same as diluted net loss per share for all periods as the inclusion of all potential common share equivalents outstanding would have been anti-dilutive.

13

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
The following potentially dilutive securities were excluded from the computation of the diluted net loss per share of common stock for the periods presented because their effect would have been anti-dilutive:

September 30,
2022 2021
Options to purchase common stock 19,318,301 12,856,628
Warrants 5,821,137 5,821,137
Shares expected to be purchased under employee stock purchase plan 248,375  — 
25,387,813 18,677,765
9. Cash Equivalents and Fair Value Measurements

In accordance with the provisions of fair value accounting, a fair value measurement assumes that the transaction to sell an asset or transfer a liability occurs in the principal market for the asset or liability or, in the absence of a principal market, the most advantageous market for the asset or liability and defines fair value based upon an exit price model.

The fair value measurement guidance establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance describes three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices in active markets for identical assets or liabilities as of the reporting date. Active markets are those in which transactions for the asset occur in sufficient frequency and volume to provide pricing information on an ongoing basis.

Level 2 Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities. Level 3 assets include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the Company categorizes such assets and liabilities based on the lowest level input that is significant to the fair value measurement in its entirety. The Company's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment and considers factors specific to the asset or liability.

During the three and nine months ended September 30, 2022 the Company invested cash in a money market fund and a U.S. Government Treasury Bill. The U.S. Government Treasury Bill was redeemed for cash prior to September 30, 2022. At the end of September 30, 2022, the Company had $60,068 in a U.S. Government money market fund which the Company classified as a cash equivalent as the maturity date was 90 days or less from the original date of purchase. All highly liquid investments with a maturity date of 90 days or less at the date of purchase are considered to be cash equivalents. The appropriate classification of investments in securities is determined by the Company at the time of purchase.

The following table sets forth the Company’s fair value hierarchy for its assets and liabilities that are measured at fair value on a recurring basis:

Fair Value Measurements as of September 30, 2022 Using:
Level 1 Level 2 Level 3 Total
Cash equivalents:
Money market funds $ 60,068  —  —  $ 60,068 
_______
The table above does not include cash at September 30, 2022 of $61,903. There were no cash equivalents held by the Company as of December 31, 2021. Cash at December 31, 2021 was $71,791.
14

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)

10. Goodwill and Intangible Assets

Goodwill is measured as the excess of the cost of the acquisition over the sum of the amounts assigned to tangible and identifiable intangible assets acquired less liabilities assumed. The Company assigns assets acquired (including goodwill) and liabilities assumed to one or more reporting units as of the date of acquisition. Typically acquisitions related to a single reporting unit do not require the allocation of goodwill to multiple reporting units. If the products obtained in an acquisition are assigned to multiple reporting units, the goodwill is distributed to the respective reporting units as part of the purchase price allocation process.

Goodwill and purchased intangible assets are reviewed for impairment annually during the fourth quarter of each fiscal year and whenever events or changes in circumstances indicate that the carrying value of an asset may not be recoverable. The process of evaluating the potential impairment of goodwill and intangible assets requires significant judgment. The Company regularly monitors current business conditions and other factors including, but not limited to, adverse industry or economic trends and lower projections of profitability that may impact future operating results.

As of September 30, 2022 and December 31, 2021, goodwill was $1,655 and $2,009, respectively. Changes in goodwill during the three and nine months ended September 30, 2022 and 2021, respectively, are the result of foreign currency movements. As of September 30, 2022, there have been no cumulative goodwill impairments recognized.
Intangible assets, net of accumulated amortization, impairment charges and adjustments are summarized as follows:

September 30, 2022 December 31, 2021
Gross carrying amount Accumulated amortization and impairment Net Gross carrying amount Accumulated amortization and impairment Net
Utrophin program acquired $ 3,698  $ (3,698) $ —  $ 4,487  $ (4,487) $ — 
Discuva platform acquired 11,879  (3,927) 7,952  14,416  (4,017) 10,399 
Option over non-financial asset 751  (751) —  912  (912) — 
Other patents and licenses 122  (122) —  148  (148) — 
$ 16,450  $ (8,498) $ 7,952  $ 19,963  $ (9,564) $ 10,399 

For the three and nine months ended September 30, 2022, amortization expense was $217 and $697, respectively. For the three and nine months ended September 30, 2021, amortization expense was $256 and $768, respectively. Changes in the gross carrying amount are the result of foreign currency movements.

11. Leases

The Company has operating leases for real estate. The Company does not have any finance leases.

During the three and nine months ended September 30, 2022, the Company recorded $2,756 of additional right-of-use assets related to its Menlo Park, California location. During the three and nine months ended September 30, 2021, the Company recorded $0 and $2,124 related to its Menlo Park, California and its Oxfordshire, United Kingdom locations.

The carrying value of the right-of-use assets as of September 30, 2022 and December 31, 2021 was $4,230 and $2,790, respectively.

Fixed lease costs for the three and nine months ended September 30, 2022 were $444 and $1,033, respectively. Fixed lease costs for the three and nine months ended September 30, 2021 were $302 and $785. Short-term lease costs and variable lease costs for each of the three and nine month periods ended September 30, 2022 and 2021 were immaterial.
15

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)


12. Promissory Note Payable to a Related Party

On March 10, 2022, Mr. Robert W. Duggan, entered into a Note Purchase Agreement (the “2022 Note”), pursuant to which he loaned the Company $25,000 in exchange for the issuance by the Company of an unsecured promissory note in the amount of $25,000. The 2022 Note accrued interest at a rate per annum equal to the prime rate as reported in the Wall Street Journal. The 2022 Note, including all accrued interest, became due upon the earlier of (i) the consummation of a registered public offering with net proceeds of no less than $25,000 or (ii) 18 months from the date of issuance of the 2022 Note. Debt issuance costs associated with the 2022 Note were immaterial and expensed as incurred. The 2022 Note of $25,000, plus accrued interest of $434 has been repaid to Mr. Robert W. Duggan on August 10, 2022 in connection with the completion of the rights offering with aggregate gross proceeds of $100,000.

The Company incurred interest expense of $692 and $1,497 for the three and nine months ended September 30, 2022, which included imputed interest of $570 and $1,063 for the three and nine months ended September 30, 2022, respectively. Imputed interest is calculated as the difference between the stated rate of the note and the deemed market rate of interest and is recorded to additional paid-in capital.

The Company incurred interest expense of $0 and $244 for the three and nine months ended September 30, 2021, which included imputed interest of $0 and $159 for the three and nine months ended September 30, 2021, respectively, related to the March 24, 2021 Note Purchase Agreement with Mr. Robert W. Duggan ("the Initial Note"), for $55,000 which was subsequently rescinded and replaced by a second note ("the Second Note"), of the same amount, and paid in full in May 2021, as described further in Note 15.



13. Other expense, net

The following table sets forth the components of Other expense, net by category:

Three Months Ended September 30, Nine Months Ended September 30,
Other expense, net by category: 2022 2021 2022 2021
Foreign currency losses $ 3,799  $ 30  $ 6,281  $ 881 
Loan interest expense 692  —  1,497  244 
Other (income) expense (46) 83  (15) 239 
$ 4,445  $ 113  $ 7,763  $ 1,364 
Other expense, net primarily consisted of unfavorable changes in foreign currency and loan interest expense incurred related to the $25,000 promissory note, as described in Note 12.
16

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
14. Stock-Based Compensation and Warrants

The Company currently grants stock options to employees and directors under the 2020 Stock Incentive Plan (the "2020 Plan") and formerly, the Company granted stock options under the 2016 Long Term Incentive Plan (the "2016 Plan"). The 2020 Plan is administered by the Compensation Committee of the Company's Board of Directors. The 2020 Plan is intended to attract and retain employees and directors and provide an incentive for these individuals to assist the Company to achieve long-range performance goals and to enable these individuals to participate in the long-term growth of the Company.

The following table presents the stock option activity for both the 2016 Plan and the 2020 Plan as of September 30, 2022:
Nine Months Ended
September 30, 2022
Weighted average exercise price
Outstanding at December 31, 2021
13,797,556  $ 5.55 
   Granted 9,316,631 $ 1.33 
   Forfeited (3,783,891) $ 4.96 
   Exercised (11,995) $ 1.86 
Outstanding at September 30, 2022
19,318,301  $ 3.63 
Exercisable at September 30, 2022
2,963,957  $ 5.13 

The total intrinsic value of all outstanding and exercisable stock options at September 30, 2022 was $527 and $0, respectively.

During the nine months ended September 30, 2022, the Compensation Committee of the Company's Board of Directors and management approved the following option grants to its executives and certain employees of the Company. The shares will vest based upon certain market-based and revenue performance conditions.

Grant Date Options Granted Grant Date Price
June 28, 2022 4,180,000  $ 1.06 
September 1, 2022 784,000  $ 1.30 
September 9, 2022 1,970,000  $ 1.29 
Total 6,934,000 

Compensation expense related to these market-based and revenue performance condition awards for both the three and nine months ended September 30, 2022 was immaterial.

The total stock-based compensation expense included in the Company's condensed consolidated statements of comprehensive loss was as follows:

Three Months Ended September 30, Nine Months Ended September 30,
2022 2021 2022 2021
Research and development $ 1,162  $ 1,337  $ 3,300  $ 3,251 
General and administrative 1,636  1,307  5,990  3,933 
   Total stock-based compensation expense $ 2,798  $ 2,644  $ 9,290  $ 7,184 

Warrants

The Company had outstanding and exercisable warrants of 5,821,137 with a weighted average exercise price of $1.56 as of September 30, 2022 and December 31, 2021.
17

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)

15. Related Party Transactions
March 24, 2021 Note Purchase Agreement

On March 24, 2021, Mr. Duggan, the Company's Executive Chairman and Chief Executive Officer and primary stockholder, entered into a Note Purchase Agreement (the “Initial Purchase Agreement”) pursuant to which he loaned the Company $55,000 in exchange for the issuance by the Company of an unsecured promissory note (the “Initial Note”) in the amount of $55,000. The Initial Note was to accrue interest at a rate per annum equal to 150% of the applicable 10 Year US Treasury rate, as adjusted monthly. The rate was initially estimated to be approximately 2.4%. The terms of the Initial Note were that it would mature and become due upon the earlier of (i) the consummation of a registered public offering with net proceeds of no less than $55,000, or (ii) 13 months from the date of issuance of the Initial Note. On April 20, 2021, the Company determined, with Mr. Duggan’s agreement, to rescind both the Initial Purchase Agreement and the Initial Note issued thereunder, and repaid the principal amount of the Initial Note in full, without interest or penalty.

April 20, 2021 Note Purchase Agreement

On April 20, 2021, subsequent to the repayment of the Initial Note, Mr. Duggan entered into a second Note Purchase Agreement (the “Second Purchase Agreement”) pursuant to which he loaned the Company $55,000 in exchange for the issuance by the Company of an unsecured promissory note (the “Second Note”) in the amount of $55,000. The Second Note accrued interest at a rate per annum equal to 150% of the applicable 10 Year US Treasury rate, as adjusted monthly (initially estimated to be approximately 2.4%). The Company was permitted to prepay any portion of the Second Note at its option without penalty.

May 12, 2021 Rights Offering

On May 12, 2021, the Company closed its rights offering, which was fully subscribed. Aggregate gross proceeds from the rights offering of $75,000 from the sale of 14,312,976 shares of the Company's common stock, of which 11,365,921 shares were purchased by Mr. Robert W. Duggan and 389,977 shares were purchased by Dr. Maky Zanganeh, at price of $5.24 per share. In connection with the closing of the rights offering, the Second Note, issued by the Company in favor of Mr. Robert W. Duggan, matured and became due and was repaid using a portion of the proceeds from the rights offering.

March 26, 2021 Sublease Agreement with Maky Zanganeh and Associates, Inc.

On March 26, 2021, the Company entered into a sublease with Maky Zanganeh and Associates, Inc. ("MZA") consisting of 4,500 square feet of office space at 2882 Sand Hill Road, Menlo Park, California (the “Sublease”). Dr. Maky Zanganeh, the Company's Co-Chief Executive Officer and President, is the sole owner of MZA. The sublease ran until September 2022. The rent payable under the terms of the sublease was equivalent to the proportionate share of the rent payable by MZA to the third-party landlord, based on the square footage of office space sublet by the Company, and no mark-up has been applied. During the three and nine months ended September 30, 2022, payments of $186 and $544, respectively, were made pursuant to the sublease. During the three and nine months ended September 30, 2021 payments of $174 and $377, respectively were made to the landlord.

July 25, 2022 First Amendment to Sublease Agreement with Maky Zanganeh and Associates, Inc.

On July 25, 2022 the Company entered into a first amendment, dated July 19, 2022, to its existing sublease agreement with MZA, described above. The existing sublease term, which was set to expire on September 30, 2022, was extended for a period of thirty-nine months from October 1, 2022 through December 31, 2025. The rent payable under the terms of the sublease is equivalent to the proportionate share of the net payable by MZA to the third-party landlord, based on the square footage of office space sublet by the Company, and no mark-up has been applied.


18

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
July 29, 2022 Second Amendment to Sublease Agreement with Maky Zanganeh and Associates, Inc.

On July 29, 2022, the Company entered into a second amendment, dated August 1, 2022, to its existing sublease agreement with MZA, described above. The second amendment was effective as of August 1, 2022 and expires on December 31, 2025. The second amendment includes an additional 1,277 square feet (the "Expansion Premises") of office space at 2882 Sand Hill Road, Menlo Park, California. The rent payable under the terms of the sublease is equivalent to the proportionate share of the net payable by MZA to the third-party landlord, based on the square footage of office space sublet by the Company, and no mark-up has been applied.

March 10, 2022 Note Purchase Agreement

On March 10, 2022, the Company entered into a Note Purchase Agreement (the "2022 Note"), with Mr. Duggan, pursuant to which Mr. Duggan loaned the Company $25,000 in exchange for the issuance by the Company of an unsecured promissory note in the amount of $25,000. The 2022 Note accrued interest at a rate per annum equal to the prime rate as reported in the Wall Street Journal, which was 3.25% as of the effective date and 4.75% as of June 30, 2022. The 2022 Note, including accrued interest, became due upon the earlier of (i) the consummation of a registered public offering with net proceeds of no less than $25,000 or (ii) 18 months from the date of issuance of the 2022 Note, and was repaid on August 10, 2022.

2022 Rights Offering

In August 2022, the Company announced the closing and final results of its previously announced rights offering. The rights offering commenced on July 18, 2022, and the associated subscription rights expired on August 8, 2022. Aggregate gross proceeds received from the rights offering were $100,000 from the sale of 103,092,783 shares of common stock. Mr. Robert W. Duggan and Dr. Maky Zanganeh fully subscribed to their respective basic subscription rights and oversubscribed, at a price of $0.97 per share. Issuance costs were $111. In connection with the closing of the rights offering, the 2022 Note matured and became due, and the Company repaid all principal and accrued interest thereunder using a portion of the proceeds from this rights offering on August 10, 2022.


16. Commitments and Contingencies

Fixed Asset Purchase Commitments

As of September 30, 2022 and December 31, 2021, the Company had no capital commitments.

Lease Commitments

The Company leases office and laboratory space. There have been no material changes to the Company's lease commitments as of December 31, 2021 which were disclosed in the Company's Annual Report on Form 10-K, filed with the Securities and Exchange Commission on March 17, 2022, other than the termination of the Company's short-term, Cambridge, Massachusetts office lease as a result of moving its corporate headquarters to Menlo Park, California and the two amendments to the Sublease Agreement with Maky Zanganeh and Associates, Inc. as described in Footnote 15.

Other Commitments

The Company enters into contracts in the normal course of business with various third parties for clinical trials, preclinical research studies and testing, manufacturing and other services and products for operating purposes. Most contracts provide for termination upon notice, and therefore are cancellable contracts. There have been no material changes to the Company's contractual commitments as of December 31, 2021 which were disclosed in the Company's Annual Report on Form 10-K, filed with the Securities and Exchange Commission on March 17, 2022 other than the changes to its lease commitments described above.

19

Summit Therapeutics Inc.
Notes to Unaudited Condensed Consolidated Financial Statements
(in thousands, except share and per share data)
Indemnifications

The Company has entered into its standard form Indemnification Agreement for directors and executive officers. The Indemnification Agreement provides that, subject to the provisions of the Delaware General Corporation Law, the Company is required, among other things, to indemnify its directors or executive officers for certain expenses, including attorneys' fees, judgments, fines, and settlement amounts of the types customarily incurred by them in connection with any action or proceeding arising out of their service as one of the Company's directors or executive officers. The Company believes the fair value for these indemnification obligations is minimal. Accordingly, the Company has not recognized any liabilities relating to these obligations at September 30, 2022 and December 31, 2021.

Legal Proceedings

The Company is not currently subject to any material legal proceedings.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our unaudited condensed consolidated financial statements and related notes included herein and our audited consolidated financial statements and related notes for the year ended December 31, 2021 included in our Form 10-K, filed on March 17, 2022. Some of the information contained in this discussion and analysis or set forth elsewhere in this filing, including information with respect to our plans and strategy for our business, includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, that involve risks and uncertainties. All statements other than statements relating to historical matters including statements to the effect that we “believe,” “expect,” “anticipate,” “plan,” “target,” “intend” and similar expressions should be considered forward-looking statements. As a result of many factors, including those factors set forth in the risks identified the “Risk Factors’’ section of our other filings with the Securities and Exchange Commission, or the SEC, our actual results could differ materially from the results, performance or achievements expressed in or implied by these forward-looking statements.

Company Overview

We are a biopharmaceutical company focused on the discovery, development, and commercialization of patient-, physician-, caregiver- and societal-friendly medicinal therapies intended to improve quality of life, increase potential duration of life, and resolve serious unmet needs. Our novel pipeline of product candidates is designed with the goal to become the patient-friendly, new-era standard-of-care medicines.

On September 28, 2022, we determined that we will seek partners or a divestiture of ridinilazole, our lead product candidate for treading patients suffering from Clostridioides difficile infection, also known as C. difficile infection, or CDI, as the path forward for the clinical development of the asset. As a result of this determination, we have discontinued our only active study for ridinilazole, a pediatric clinical trial evaluating ridinilazole for treating adolescent patients with CDI.

Our second product candidate, SMT-738, was announced in May 2021 for combating multidrug resistant infections, specifically carbapenem-resistant Enterobacteriaceae (“CRE”) infections. SMT-738 is the first of a novel class of precision antibiotics that has entered into preclinical development. We have two additional discovery-phase targets in our pipeline with undisclosed targets in the therapeutic area of oncology.

Our intention is to expand our pipeline product portfolio in the therapeutic area of oncology and/or product offerings that are designed to work in harmony with the human gut microbiome. We intend to enact this through business development activities, including possible acquisitions and/or collaborations in addition to internal research and discovery efforts.

We have been in various stages of communication with multiple entities in order to pursue potential business development opportunities and may continue to seek to engage with these or other opportunities. However, given the inherent uncertainty in nature of these discussions, there can be no assurances that these discussions will result in actual transactions, collaborations, or other business development opportunities. These potential business opportunities may result in an upfront cash outlay to consummate these transactions, a commitment for additional funds to be paid upon the achievement of certain pre-determined milestones, and royalties to be paid upon the potential commercialization of certain product candidates. These milestone payments, if achieved, could result in multiple payments over the course of the next several years in addition to commercial-based royalties. The exact time period of these payments and amounts to be paid cannot be known and are dependent upon final negotiated agreements and the achievement of predetermined milestone achievements so agreed.

To date, we have financed our operations primarily through issuances of our common stock, payments to us under our license and commercialization agreement with Eurofarma Laboratórios SA, or Eurofarma, development funding and other assistance from government entities, philanthropic, non-government and not-for-profit organizations for our product candidates and promissory notes from related parties. In particular, we have received funding from BARDA, CARB-X, Innovate UK, Wellcome Trust and a number of not-for-profit organizations.

We have devoted substantially all of our efforts to research and development, including clinical trials. We have not completed the development of any drugs. We expect to continue to incur significant expenses and increasing operating losses for at least the next few years. The net losses we incur may fluctuate significantly from quarter to quarter and year to year, due to the nature and timing of our research and development activities. We expect that our research and development and general and administrative expenses will continue to be significant in connection with our ongoing research and development efforts.
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Recent Events

On July 12, 2022, we held a Type C meeting with the US Food & Drug Administration (the “FDA”) during which we discussed certain data from the Ri-CoDIFy Phase III clinical trial with the agency. The FDA and Summit discussed a possible pathway in which to advance ridinilazole forward with the goal of achieving marketing authorization. This pathway would involve at least one additional clinical trial. Meeting minutes from the FDA were received on August 10, 2022.

On July 27, 2022, we held a Special Meeting of Stockholders (the "Special Meeting") whereby the following matters were submitted to a vote of our stockholders at the Special Meeting: (i) an amendment to our Restated Certificate of Incorporation, dated September 18, 2020, to increase the number of authorized shares of common stock by 100,000,000 (from 250,000,000 to 350,000,000); and (ii) an amendment to the Summit Therapeutics Inc. 2020 Stock Incentive Plan (the “Plan”) to increase the number of shares of our common stock issuable under the Plan by 8,000,000 shares.

In August 2022, we announced the closing and final results of our previously announced rights offering. The rights offering commenced on July 18, 2022, and the associated subscription rights expired on August 8, 2022. Aggregate gross proceeds from the rights offering were $100.0 million from the sale of approximately 103,092,783 shares of common stock at a price of $0.97 per share. Issuance costs were $111 thousand. In connection with the closing of the rights offering, the 2022 Note matured and became due and we repaid all principal and accrued interest on August 10, 2022.

As noted above, on September 28, 2022, we determined that we will seek partners or a divestiture of ridinilazole as the path forward for the clinical development of the asset. In alignment with this determination, we have discontinued our only active study for ridinilazole, a pediatric clinical trial evaluating ridinilazole for treating adolescent patients with CDI.

COVID-19 Pandemic

The progression of the COVID-19 pandemic continues to evolve and its enduring impact on our business remains uncertain. There may be other material adverse impacts on our business, operations and financial condition that are unpredictable at this time, including delays in the development and regulatory approval of our product candidates and difficulties in retaining qualified personnel during the pandemic and once it subsides. The extent to which the pandemic may impact our business will depend on future developments, such as the duration of the pandemic, quarantines, travel restrictions and other measures in the United States, the United Kingdom and around the world, business closures or business disruptions and the effectiveness of actions taken to contain the pandemic.

Results of Operations

The following table sets forth our results of operations for the three and nine month periods ended September 30, 2022 and 2021:
Three Months Ended
September 30,
Nine Months Ended September 30,
(in millions) 2022 2021 2022 2021
Revenue $ 0.2  $ 1.3  $ 0.7  $ 1.5 
Operating expenses:
Research and development 17.0  19.9  46.6  62.2 
General and administrative 5.6  5.7  19.2  15.8 
Total operating expenses 22.6  25.6  65.8  78.0 
Other operating income 5.5  4.8  13.3  16.4 
Operating loss (16.9) (19.5) (51.8) (60.1)
Other expense, net (4.4) (0.1) (7.8) (1.4)
Net loss $ (21.3) $ (19.6) $ (59.6) $ (61.5)
22




Revenue

Revenue for the three and nine months ended September 30, 2022 and 2021 relates to revenue from our license and commercialization agreement with Eurofarma Laboratórios S.A. This revenue is recognized ratably over the performance period the research and development services are provided. The decrease for the three and nine months periods ended September 30, 2022 compared to the same periods in the prior year is attributed to the achievement of a milestone related to this agreement in September of 2021. The total milestone of $1.3 million is recognized ratably over the performance period the research and development service are provided.

Operating Expenses

Research and Development Expenses

The table below summarizes our research and development expenses by category for the three and nine month periods ended September 30, 2022 and 2021, respectively. Our CDI program expenses and antibiotic pipeline development activities include costs paid to contract research organizations, manufacturing costs for our clinical trials, laboratory testing costs and research related expenses. Other research and development costs include staff and travel costs primarily for our CDI and antibiotic development teams, patent registration fees, an allocation of facility-related costs and other non-core program related expenses.
Three Months Ended
September 30,
Nine Months Ended September 30,
(in millions) 2022 2021 2022 2021
CDI program $ 11.2  $ 12.3  $ 25.3  $ 41.7 
Antibiotic pipeline research and development costs 0.7  0.5  2.9  1.1 
Other research and development costs 5.1  7.1  18.4  19.4 
Total $ 17.0  $ 19.9  $ 46.6  $ 62.2 

Investment in our CDI program decreased by $1.1 million and $16.4 million for the three and nine month periods ended September 30, 2022, respectively, compared to the same periods in the prior year, primarily due to a decrease in clinical and manufacturing activity spend associated with the ridinilazole Phase III clinical program, partially offset by an increase of $6.5 million in research and development costs recognized during the three and nine months ended related to the remaining outstanding contractual obligations related to the internal clinical development of ridinilazole as a result of our decision to seek partners or a divestiture related to ridinilazole as the path forward for the clinical development of the asset.

Investment in our antibiotic pipeline development activities increased by $0.2 million and $1.8 million for the three and nine month periods ended September 30, 2022, respectively, compared to the same periods in the prior year, primarily due to increased development activity spend associated with our preclinical candidate, SMT-738, from the DDS-04 series for the development in the fight against multidrug resistant infections, specifically carbapenem-resistant Enterobacteriaceae ("CRE") infections.

Other research and development costs are comprised of the following:

Three Months Ended
September 30,
Nine Months Ended September 30,
(in millions) 2022 2021 2022 2021
Compensation related costs, excluding stock-based compensation $ 3.0  $ 4.8  $ 12.1  $ 13.2 
Stock-based compensation 1.2  1.3  3.3  3.3 
Other research and development costs 0.9  1.0  3.0  2.9 
Total $ 5.1  $ 7.1  $ 18.4  $ 19.4 

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Other research and development costs decreased by $2.0 million and $1.0 million for the three and nine months ended September 30, 2022, compared to the same periods in the prior year, primarily due to a decrease of $1.8 million and $1.1 million in compensation-related costs due to a lower headcount as compared to the same periods in the prior year.

General and Administrative Expenses
Three Months Ended
September 30,
Nine Months Ended September 30,
(in millions) 2022 2021 2022 2021
Compensation related costs, excluding stock-based compensation $ 2.4  $ 2.3  $ 7.7  $ 6.7 
Stock-based compensation 1.6  1.3  6.0  3.9 
Legal and Professional Fees 0.7  1.0 2.5  2.1 
Other general and administrative expenses 0.9  1.1  3.0 3.1 
Total $ 5.6  $ 5.7  $ 19.2  $ 15.8 

General and administrative expenses increased by $3.4 million for the nine months ended September 30, 2022, compared to the same period in the prior year, primarily due to an increase of $2.1 million in stock-based compensation, as the Company is focused on building a world-class team, an increase of $1.0 million in compensation costs, excluding stock-based compensation and an increase of $0.4 million in legal and professional fees.
Other Operating Income
Three Months Ended
September 30,
Nine Months Ended September 30,
(in millions) 2022 2021 2022 2021
Other operating income $ 5.5  $ 4.8  $ 13.3  $ 16.4 

Other operating income is comprised of the following:

(in millions) Three Months Ended
September 30,
Nine Months Ended September 30,
Other operating income by category: 2022 2021 2022 2021
Funding income from BARDA $ 3.9  $ 0.6  $ 7.8  $ 4.0 
Research and development tax credits 1.2  3.8  3.7  11.7 
Grant income from CARB-X 0.4  0.4  1.8  0.7 
$ 5.5  $ 4.8  $ 13.3  $ 16.4 

Funding income from BARDA increased by $3.3 million and $3.8 million for the three and nine months ended September 30, 2022, compared to the same periods in the prior year primarily due to the acceleration of deferred other income recognized as a result of our decision to seek partners or a divestiture related to ridinilazole, as the path forward for the clinical development of the asset.

U.K. research and development tax credits decreased by $2.6 million and $8.0 million for the three and nine month periods ended September 30, 2022, respectively, compared to the same periods in the prior year due to a decrease in clinical and manufacturing activity spend associated with the ridinilazole Phase III clinical program, which was ceased during the third quarter of 2022, which resulted in a decrease in tax credits claimed, coupled with a decrease in eligible expenses claimed due to recent changes in tax legislation.

Grant income received from CARB-X increased by $1.1 million for the nine months ended September 30, 2022 compared to the same period in the prior year due to an increase in spend to progress the preclinical candidate SMT-738 from the DDS-04 series for development in the fight against multidrug resistant infections, specifically CRE infections.

24




Other Expense, net
Other operating, net is comprised of the following:
(in millions) Three Months Ended
September 30,
Nine Months Ended September 30,
Other expense, net by category: 2022 2021 2022 2021
Foreign currency losses $ 3.8  $ —  $ 6.3  $ 0.9 
Loan interest expense 0.6  —  1.5  0.2 
Other (income) expense —  0.1  —  0.2 
$ 4.4  $ 0.1  $ 7.8  $ 1.3 

Other expense, net primarily consisted of unfavorable changes in foreign currency and loan interest expense incurred related to the $25.0 million promissory note repaid on August 10, 2022.

Liquidity and Capital Resources

Sources of Liquidity

To date, we have financed our operations primarily through issuances of our common stock, payments to us under license, collaboration, and commercialization arrangements, for example, our license and commercialization agreement with Eurofarma Laboratórios SA, or Eurofarma, and development funding and other assistance from government entities, philanthropic, non-government and not-for-profit organizations for our product candidates and promissory notes from related parties. In particular, we have received funding from BARDA, CARB-X, Innovate UK, Wellcome Trust and a number of not-for-profit organizations.

We have devoted substantially all of our efforts to research and development, including clinical trials. We have not completed the development of any drugs. Since our inception, we have incurred significant operating losses. We anticipate that we will continue to incur losses for the foreseeable future. The net losses we incur may fluctuate significantly from quarter to quarter and year to year, due to the nature and timing of our research and development activities. We expect that our research and development and general and administrative expenses will continue to be significant in connection with our ongoing research and development efforts. In addition, if we obtain marketing approval of ridinilazole in the United States or other jurisdictions where we retain commercial rights, and if we choose to retain those rights, we would expect to incur significant sales, marketing, distribution and outsourced manufacturing expenses, as well as ongoing research and development expenses. In addition, our expenses will increase if we:

partner with a third party to further research and develop ridinilazole,
continue the research and development of early-stage programs targeting infections caused by Enterobacteriaceae;
seek to identify and develop additional future product candidates, including through our bacterial genetics-based Discuva Platform for the discovery and development of new era antibiotics, and specifically our research activities against a group of bacteria that collectively are known as the ESKAPE pathogens;
continue the research and development of our other two early-stage programs;
seek marketing approvals for any product candidates that successfully complete clinical development;
ultimately establish a sales, marketing and distribution infrastructure in jurisdictions where we have retained commercialization rights and scale up external manufacturing capabilities to commercialize any product candidates for which we receive marketing approval;
acquire or in-license other product candidates and technology;
maintain, expand and protect our intellectual property portfolio;
hire additional clinical, regulatory and scientific personnel;
expand our physical presence; and
add operational, financial and management information systems and personnel, including personnel to support our product development and potential planned future commercialization efforts.

During the three and nine months ended September 30, 2022, we incurred a net loss of $21.4 million and $59.6 million and cash flows used in operating activities for the nine months ended September 30, 2022 was $46.8 million. As of September 30, 2022, we had an accumulated deficit of $359.1 million, cash of $122.0 million, current and long-term research and
25




development tax credits receivable of $16.3 million and accounts receivable of $0.1 million. Until we can generate substantial revenue and achieve profitability, we will need to raise additional capital to fund our ongoing operations and capital needs.

On June 22, 2022, we announced a rights offering for our existing shareholders to participate in the purchase of additional shares of our common stock. The rights offering commenced on July 18, 2022, and the associated subscription rights expired on August 8, 2022. Aggregate gross proceeds from the rights offering were $100 million from the sale of shares of our common stock at a price of $0.97 per share. Issuance costs were $111 thousand. In connection with the closing of the rights offering, the 2022 Note matured and became due, and we repaid all principal and accrued interest thereunder using a portion of the proceeds from this rights offering on August 10, 2022. Based on our current funding arrangements and financial resources as of September 30, 2022, we have the ability to fund our operating costs and working capital needs for more than twelve months from the date of issuance of this quarterly report on Form 10-Q. Until we can generate substantial revenue and achieve profitability, we will need to raise additional capital to fund ongoing operations and capital needs.

We have been in various stages of communication with multiple entities in order to pursue potential business development opportunities and may continue to seek to engage with these or other opportunities. However, given the inherent uncertainty in nature of these discussions, there can be no assurances that these discussions will result in actual transactions, collaborations, or other business development opportunities. These potential partnership opportunities may result in an upfront cash outlay to consummate these transactions, a commitment for additional funds to be paid upon the achievement of certain pre-determined milestones, and royalties to be paid upon the potential commercialization of certain product candidates. These milestone payments, if achieved, could result in multiple payments over the course of the next several years in addition to commercial-based royalties. The exact time period of these payments and amounts to be paid cannot be known and are dependent upon final negotiated agreements and the achievement of predetermined milestone achievements so agreed.

We have based the foregoing estimate on assumptions that may prove to be wrong, and we could use our capital resources sooner than we currently expect. This estimate assumes, among other things, that we do not obtain any additional funding through grants and clinical trial support or through new collaboration arrangements. Our future capital requirements will depend on many factors, including:

the timing and evaluation of next steps with respect to to the path forward for the clinical development of our lead product candidate, ridinilazole (formerly SMT19969), for the treatment of patients with Clostridioides difficile infection (formerly known as Clostridium difficile infection), including exploring potential partnerships or potential divestiture;
the number and development requirements of other future product candidates that we pursue;
the costs, timing and outcome of regulatory review of ridinilazole and our other product candidates we develop;
the costs and timing of commercialization activities, including product sales, marketing, distribution and manufacturing, for any of our product candidates that receive marketing approval;
the costs and timing of preparing, filing and prosecuting patent applications, maintaining and protecting our intellectual property rights and defending against any intellectual property-related claims;
any future funding from BARDA and CARB-X;
our ability to establish and maintain third-party partnerships or other arrangements and the financial terms of such arrangements;
the extent to which we acquire or invest in other businesses, products and technologies;
the rate of the expansion of our physical presence;
the extent to which we change our physical presence

Until such time, if ever, as we can generate substantial product revenues, we expect to finance our cash needs through a combination of some, or all, of the following: equity and debt offerings, collaborations, strategic alliances, grants and clinical trial support from government entities, philanthropic, non-government and not-for-profit organizations and, marketing, distribution or licensing arrangements. We do not have any committed external source of funds other than amounts we -may receive from BARDA and CARB-X under our arrangements with them, and our research and development tax credits receivable.

Due to recent change in tax legislation, there has been a decrease in eligible expenses claimed for U.K. R&D tax credits. The R&D tax credit claim is also affected and dependent upon future research and clinical development activities.


26




The total amount of committed BARDA funding is $62.4 million. As of September 30, 2022, based on the translation of historical foreign currency amounts in the period, we have recognized an aggregate of $58.9 million of cumulative income since contract inception. The remaining federal government funding was dependent on BARDA in its sole discretion exercising the final independent option work segment, upon the achievement by the Company of certain agreed-upon milestones for ridinilazole. This option work segment was never exercised by BARDA. The contract ran through April 2022 and was extended through December 2022 as a no cost contract, solely to close out open activities. As a result of the our decision to not pursue further clinical development of ridinilazole, we recognized the remainder of the deferred income for BARDA during the three and nine months ended September 30, 2022.

The total amount of committed CARB-X funding was $4.1 million, with the possibility of up to another $3.7 million based on the achievement of future milestones. As of September 30, 2022, based on the translation of historical foreign currency amounts in the period, the Company has recognized $2.8 million of cumulative income since contract inception. During the quarter-ended June 30, 2022, CARB-X announced changes to its funding arrangements and terms and conditions. As a result, the current arrangement concluded as of June 30, 2022, however, we have the ability to recognize revenue for any milestone payments related to work incurred subsequent to this date in accordance with the arrangement. We are in current discussions with CARB-X to negotiate a new agreement.

We will need additional capital to fund our operations. Additional capital, when needed, may not be available to us on acceptable terms, or at all. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our existing stockholders will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect the rights of our existing stockholders. Debt financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends or other distributions. If we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or to grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds through equity or debt financings or other arrangements when needed, we will be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves.


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Cash Flows
The following table summarizes the results of our cash flows for the nine months ended September 30, 2022 and 2021:
Nine Months Ended
September 30,
(in millions) 2022 2021
Net cash used in operating activities $ (46,773) $ (63,408)
Net cash used in investing activities $ (634) $ (186)
Net cash provided by financing activities $ 100,184  $ 76,655 
Operating Activities
Net cash used in operating activities for the nine months ended September 30, 2022 was $46.8 million and resulted from a net loss of $59.6 million, which included non-cash charges of $16.3 million, which is primarily comprised of $9.3 million of non-cash charges related to stock-based compensation, and a net increase in working capital of $3.6 million. The net increase in working capital was primarily due to a decrease of $7.6 million in deferred revenue and other income, as a result of our decision to not pursue further clinical development of ridinilazole, an increase of $3.7 million in the research and development tax credit receivable, a decrease of $2.4 in accrued compensation, due to a reduction in headcount, and a decrease of of $1.8 million in accounts payable, partially offset by a decrease of $5.0 million in prepaid expenses, a decrease of $2.4 million in accounts receivable. an increase of $4.8 in accrued liabilities.
Net cash used in operating activities for the nine months ended September 30, 2021 was $63.4 million and resulted from a net loss of $61.5 million, which included net non-cash charges of $8.8 million, which was comprised primarily of stock-based compensation and a net increase in working capital of $10.7 million. The net increase in working capital was primarily due to an increase of $11.6 million in the research and development tax credit receivable, an increase of $2.1 million in accounts receivable, a decrease of $1.3 million in deferred revenue and other income and, a decrease of $0.7 million in lease liabilities, partially offset by an increase of $3.3 million in accrued liabilities, and a decrease of $1.1 million in accrued compensation.
Investing Activities
Net cash used in investing activities for the nine months ended September 30, 2022 and 2021, respectively was for the purchase of property and equipment.
Financing Activities
Net cash provided by financing activities was $100.2 million for the nine months ended September 30, 2022 and was due net proceeds received of $99.9 million (net of issuance costs of $111 thousand) related to the issuance of common stock from a rights offering, proceeds received of $25.0 million from a promissory note from a related party and proceeds received of $0.3 million million related to employee stock awards, offset by the repayment of $25.0 million related to a promissory note from a related party.
Net cash provided by financing activities was $76.7 million for the nine months ended September 30, 2021 and was primarily due to proceeds received of $110.0 million from promissory notes from a related party, proceeds received of $75.0 million from the issuance of common stock from a rights offering and proceeds received of $1.9 million related to employee stock awards, partially offset by the repayment of $110.0 million related to promissory notes from a related party.
Critical Accounting Policies and Significant Judgments and Estimates
Our management’s discussion and analysis of our financial condition and results of operations are based on our condensed consolidated financial statements, which have been prepared in accordance with U.S. generally accepted accounting principles. The preparation of our financial statements requires us to make estimates and judgments that affect the reported amounts of assets, liabilities, and expenses and the disclosure of contingent liabilities in our financial statements. On an ongoing basis, we evaluate our estimates and judgments, including those related to revenue recognition, research and development costs, intangible assets, stock-based compensation and income taxes. We base our estimates on historical experience, known trends and events, and various other factors that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.

Our significant accounting policies are described in Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations, Critical Accounting Policies and Significant Judgments and Estimates in our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission on March 17, 2022.
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There have been no material changes to our critical accounting policies and estimates that were disclosed in the Annual Report on Form 10-K.

Contractual obligations and commitments

We lease office and laboratory space. There have been no material changes to our lease commitments as of December 31, 2021 which were disclosed in our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission on March 17, 2022, other than the termination of our short-term, Cambridge, Massachusetts office lease as a result of moving its corporate headquarters to Menlo Park, California and the two amendments to the Sublease Agreement with Maky Zanganeh and Associates, Inc. as described in Footnote 15.

We also have contingent payment obligations which primarily consist of commitments under our agreements with the Wellcome Trust, the University College London and certain employees, former employees and former directors of Discuva, pursuant to which we will be required to pay royalties or make milestone payments. As of September 30, 2022, we were unable to estimate the amount, timing or likelihood of achieving the milestones or making future product sales that these contingent payment obligations relate to. For additional information regarding these agreements, see “Business - Our Collaborations and Funding Arrangements” in our Annual Report on Form 10-K, filed with the U.S. Securities and Exchange Commission on March 17, 2022.

Additionally, we enter into contracts in the normal course of business with various third parties for clinical trials, preclinical research studies and testing, manufacturing and other services and products for operating purposes. Most contracts provide for termination upon notice, and therefore are cancellable contracts. There have been no material changes to our contractual commitments as of December 31, 2021 which were disclosed in our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission on March 17, 2022 other than the changes to our lease commitments described above.

Off-Balance Sheet Arrangements

Other than the contractual obligations and commitments described above, we did not have during the periods presented, and we do not currently have, any off‑balance sheet arrangements, as defined in the rules and regulations of the Securities and Exchange Commission.

Recently Issued Accounting Pronouncements

For a discussion of recently issued accounting pronouncements, refer to Note 3, Recently Issued or Adopted Accounting Pronouncements, to our condensed consolidated financial statements included in this report.

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Not applicable.

Item 4. Controls and Procedures.

We have carried out an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures (as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) under the supervision and the participation of the Company’s management, which is responsible for the management of the internal controls, and which includes our Co-Chief Executive Officers and our Chief Financial Officer. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, means controls and other procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Securities Exchange Act of 1934 is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. There are inherent limitations to the effectiveness of any system of disclosure controls and procedures, including the possibility of human error and the circumvention or overriding of the controls and procedures.
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Accordingly, even effective disclosure controls and procedures can only provide reasonable assurance of achieving their control objectives. Based upon our evaluation of our disclosure controls and procedures as of September 30, 2022, our Co-Chief Executive Officers and Chief Financial Officer concluded that, as of such date, our disclosure controls and procedures were effective at a reasonable level of assurance.


PART II - OTHER INFORMATION

Item 1. Legal Proceedings.

We are not currently subject to any material legal proceedings.


Item 1A. Risk Factors.

Information regarding risk factors affecting the Company's business are discussed in the section entitled "Risk Factors" in the Company's Annual Report on Form 10-K for the year ended December 31, 2021 (the "Annual Report") filed with the Securities and Exchange Commission on March 17, 2022. There have been no material changes to the risk factors as previously disclosed in our Annual Report and in the Company's Quarterly Report on Form 10-Q for the periods ended March 31, 2022 filed with the Securities and Exchange Commission on May 11, 2022 and June 30, 2022, filed with the Securities and Exchange Commission on August 11, 2022, respectively. The risks referenced above are not the only risks facing our Company. Additional risk and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or operating results.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

None.

Item 3. Defaults Upon Senior Securities.

None.

Item 4. Mine Safety Disclosures.

None.

Item 5. Other Information.

None.

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Item 6. Exhibits.
Exhibit Index

Exhibit No. Description
3.1 Amendment to Restated Certificate of Incorporation of Summit Therapeutics Inc., as filed with the Delaware Secretary of State on July 27, 2022 (incorporated by reference to Exhibit 3.1 of Form 8-K filed by the Company on July 27, 2022, File No. 001-36866)
101.SCH* XBRL Taxonomy Extension Schema Document
101.CAL* XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF* XBRL Taxonomy Extension Definition Linkbase Document
101.LAB* XBRL Taxonomy Extension Label Linkbase Document
101.PRE* XBRL Taxonomy Extension Presentation Linkbase Document
104* Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
*
Filed herewith.
** Furnished herewith.


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
Date: November 9, 2022 SUMMIT THERAPEUTICS INC.
By: /s/ Ankur Dhingra
Name: Ankur Dhingra
Title Chief Financial Officer
(Principal Financial Officer)

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