SEC FORM 4

SEC FORM 4 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^*

NELSEN ROBERT

(Last)

(First)

(Middle)

8755 WEST HIGGINS ROAD, SUITE 1025

(Street)

CHICAGO

60631

(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)

X	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/14/2024

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock								18,206,358	I	ARCH Venture Fund IX,L.P.⁽¹⁾
Common Stock								18,206,358	I	ARCH Venture Fund IX Overage, L.P.⁽²⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Option (right to buy)	$2.36	06/14/2024		A		130,000		⁽³⁾	06/13/2034	Common Stock	130,000	$0	130,000	D

Explanation of Responses:

1. These shares are directly held by ARCH Venture Fund IX, L.P. ("AVF IX") (the "AVF IX Shares"). ARCH Venture Partners IX, L.P. ("AVP IX LP"), as the sole general partner of AVF IX, may be deemed to beneficially own the AVF IX Shares. ARCH Venture Partners IX, LLC ("AVP IX LLC"), as the sole general partner of AVP IX LP, may be deemed to beneficially own the AVF IX Shares. As a managing director of AVP IX LLC, the Reporting Person may also be deemed to share the power to direct the disposition and vote of the AVF IX Shares. AVP IX LP, AVP IX LLC and the Reporting Person each disclaim beneficial ownership of the AVF IX Shares except to the extent of any pecuniary interest therein.

2. These shares are directly held by ARCH Venture Fund IX Overage, L.P. ("AVF IX Overage") (the "AVF IX Overage Shares"). ARCH Venture Partners IX Overage, L.P. ("AVP IX Overage LP"), as the sole general partner of ARCH IX Overage, may be deemed to beneficially own the AVF IX Overage Shares. AVP IX LLC, as the sole general partner of AVP IX Overage LP, may be deemed to beneficially own the AVF IX Overage Shares. As a managing director of AVPIX LLC, the Reporting Person may also be deemed to share the power to direct the disposition and vote of the AVF IX Overage Shares. AVP IX Overage LP, AVP IX LLC and the Reporting Person each disclaim beneficial ownership of the AVF Overage Shares except to the extent of any pecuniary interest therein.

3. The option shares shall vest on the earlier of (a) the date of the next annual meeting of the stockholders that occurs following June 14, 2024 (or the date immediately prior to such date if the Reporting Person's service as a director ends at such annual meeting due to the Reporting Person's failure to be reelected or the Reporting Person not standing for re-election); or (b) the first anniversary of June 14, 2024, subject to the Reporting Person providing continuous service through such date.

	/s/ Matthew Lang, as Attorney-in-Fact	06/17/2024
	** 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).
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SEC Form 4 filed by Director Nelsen Robert