William Jl Rieflin - Sep 8, 2023 Form 4 Insider Report for Lyell Immunopharma, Inc. (LYEL)

Role: Director
Signature: /s/ Charles Newton, as Attorney-in-Fact
Stock symbol: LYEL
Transactions as of: Sep 8, 2023
Transactions value $: $0
Form type: 4
Date filed: 9/8/2023, 04:27 PM
Previous filing: Jun 20, 2023
Next filing: Apr 1, 2024

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	LYEL	Option (right to buy)	Award	$0	+55K		$0.00	55K	Sep 8, 2023	Common Stock	55K	$3.19	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On September 6, 2023, to align with benchmarking data, the issuer's Compensation Committee amended the Non-Employee Director Compensation Policy to increase the annual equity grant to non-employee directors. The Reporting Person was granted an option to purchase 65,000 shares on June 16, 2023, prior to the amendment of the policy. This additional option grant aligns the Reporting Person's total 2023 grants with the updated policy.
F2	The option shares shall vest on the earlier of (a) the date of the next annual meeting of the stockholders that occurs following June 16, 2023 (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 Persons failure to be re-elected or the Reporting Person not standing for re-election); or (b) the first anniversary of June 16, 2023, subject to the Reporting Person providing continuous service through such date.

Content

On September 6, 2023, to align with benchmarking data, the issuer's Compensation Committee amended the Non-Employee Director Compensation Policy to increase the annual equity grant to non-employee directors. The Reporting Person was granted an option to purchase 65,000 shares on June 16, 2023, prior to the amendment of the policy. This additional option grant aligns the Reporting Person's total 2023 grants with the updated policy.

The option shares shall vest on the earlier of (a) the date of the next annual meeting of the stockholders that occurs following June 16, 2023 (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 Persons failure to be re-elected or the Reporting Person not standing for re-election); or (b) the first anniversary of June 16, 2023, subject to the Reporting Person providing continuous service through such date.