SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
  
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Hill Stephen J.

(Last) (First) (Middle)
C/O LYELL IMMUNOPHARMA, INC.
201 HASKINS WAY

(Street)
SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Lyell Immunopharma, Inc. [ LYEL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
Chief Technical Ops. Officer
3. Date of Earliest Transaction (Month/Day/Year)
11/16/2023
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 8,928(1) D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $1.87 11/16/2023 A 500,000 (2) 11/30/2029 Common Stock 500,000 (3)(4) 500,000 D
Stock Option (right to buy) $3.65 11/16/2023 D 500,000 (2) 11/30/2029 Common Stock 500,000 (3)(4) 0 D
Stock Option (right to buy) $1.87 11/16/2023 A 165,000 (5) 01/15/2030 Common Stock 165,000 (3)(4) 165,000 D
Stock Option (right to buy) $3.65 11/16/2023 D 165,000 (6) 01/15/2030 Common Stock 165,000 (3)(4) 0 D
Stock Option (right to buy) $1.87 11/16/2023 A 450,000 (7) 11/16/2030 Common Stock 450,000 (3)(4) 450,000 D
Stock Option (right to buy) $5.96 11/16/2023 D 450,000 (8) 11/16/2030 Common Stock 450,000 (3)(4) 0 D
Stock Option (right to buy) $1.87 11/16/2023 A 100,000 (9) 02/11/2031 Common Stock 100,000 (3)(4) 100,000 D
Stock Option (right to buy) $6.24 11/16/2023 D 100,000 (10) 02/11/2031 Common Stock 100,000 (3)(4) 0 D
Stock Option (right to buy) $1.87 11/16/2023 A 85,000 (11) 04/13/2031 Common Stock 85,000 (3)(4) 85,000 D
Stock Option (right to buy) $12.67 11/16/2023 D 85,000 (12) 04/13/2031 Common Stock 85,000 (3)(4) 0 D
Stock Option (right to buy) $1.87 11/16/2023 A 700,000 (13) 03/15/2032 Common Stock 700,000 (3)(4) 700,000 D
Stock Option (right to buy) $5.98 11/16/2023 D 700,000 (14) 03/15/2032 Common Stock 700,000 (3)(4) 0 D
Explanation of Responses:
1. Includes 2,941 shares acquired on May 18, 2022, 5,434 shares acquired on May 18, 2023 and 553 shares acquired on November 17, 2023 under the Issuer's 2021 Employee Stock Purchase Plan.
2. Fully-vested.
3. The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on November 16, 2023 (the "Repricing Date"). The Option Repricing applies to options with exercise prices greater than $2.37 per share held by all continuing employees of the Issuer as of the Repricing Date.
4. Pursuant to the Option Repricing, the exercise price of the repriced options, including the Option, has been amended to reduce the exercise price to $1.87 per share, the closing price of the Issuer's common stock on the Repricing Date. However, if an employee exercises a repriced option before the end of a retention period of one year (subject to earlier termination in certain circumstances), such employee will be required to pay the original exercise price per share of such repriced option. In addition, the vesting schedule for the unvested shares underlying repriced options held by executive officers, including the reporting person, was extended for an additional year. There is no change to the expiration dates of or number of shares underlying the repriced options.
5. 154,688 shares were vested as of November 16, 2023 and the remaining unvested shares will vest in equal monthly installments over the following fifteen months based on the original vesting commencement date.
6. 1/48th of the total shares vest in equal monthly installments over the forty-eight months following February 1, 2020.
7. 328,125 shares were vested as of November 16, 2023 and the remaining unvested shares will vest in equal monthly installments over the following twenty-five months based on the original vesting commencement date.
8. 1/48th of the total shares vest in equal monthly installments over the forty-eight months following December 1, 2020.
9. 66,667 shares were vested as of November 16, 2023 and the remaining unvested shares will vest in equal monthly installments over the following twenty-eight months based on the original vesting commencement date.
10. 1/48th of the total shares vest in equal monthly installments over the forty-eight months following March 1, 2021.
11. 54,896 shares were vested as of November 16, 2023 and the remaining unvested shares will vest in equal monthly installments over the following twenty-nine months based on the original vesting commencement date.
12. 1/48th of the total shares vest in equal monthly installments over the forty-eight months following April 14, 2021.
13. 306,250 shares were vested as of November 16, 2023 and the remaining unvested shares will vest in equal monthly installments over the following thirty-nine months based on the original vesting commencement date.
14. 12.5% of the option shares vested on August 9, 2022, with the remaining option shares to vest in equal monthly installments over the following forty-two months.
Remarks:
/s/ Hector Casab, as Attorney-in-Fact 11/20/2023
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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