Lyell Immunopharma, Inc. — Director's Dealing 2022

Jun 10, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Lyell Immunopharma, Inc. (LYEL)
CIK: 0001806952
Period of Report: 2022-06-08

Reporting Person: NELSEN ROBERT (Director, 10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-06-08	Option (right to buy)	$5.31	A	65000	Acquired	2032-06-07	Common Stock (65000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	18206358	Indirect
Common Stock	18206358	Indirect

Footnotes

F1: 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.

F2: 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 AVP IX 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.

F3: The option shares shall vest on the earlier of (a) the date of the next annual meeting of the stockholders that occurs following June 8, 2022 (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 8, 2022, subject to the Reporting Person providing continuous service through such date.