Current Report Filing (8-k)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15 (d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 17, 2022

SESEN BIO, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-36296

26-2025616

(State or other jurisdiction
of incorporation)

(Commission
File Number)

(I.R.S. Employer
Identification No.)

245 First Street, Suite 1800

Cambridge, MA

02142

(Address of principal executive offices)

(Zip Code)

Registrant’s telephone number, including area code: (617) 444-8550

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8–K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)


☐			Soliciting material pursuant to Rule 14a–12 under the Exchange Act (17 CFR 240.14a–12)


☐			Pre–commencement communications pursuant to Rule 14d–2(b) under the Exchange Act (17 CFR 240.14d–2(b))


☐			Pre–commencement communications pursuant to Rule 13e–4(c) under the Exchange Act (17 CFR 240.13e–4(c))


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.001	SESN	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

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. ¨

Item 1.02. Termination of a Material Definitive Agreement.

On July 17, 2022, Sesen Bio, Inc. (the “Company”) terminated the Master Bioprocessing Services Agreement (the “Agreement”), dated October 4, 2018, between the Company and FUJIFILM Diosynth Biotechnologies U.S.A., Inc. (“Fujifilm”), as a result of the Company’s previously disclosed restructuring plan following the decision to pause further development of the Company’s lead asset, VicineumTM in the US. The Company has requested that Fujifilm cease all work under the Agreement and refrain from incurring any additional costs or expenses. As a result of the termination, and in accordance with the terms of the Agreement, the Company has the responsibility to pay Fujifilm for certain non-manufacturing stage services and cGMP batches of drug substance of Vicineum. The terms of the Agreement are more fully described in the Company’s Form 8-K filed with the Securities and Exchange Commission on October 9, 2018.

SIGNATURE

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 hereunto duly authorized.

Date: July 21, 2022