Lyell Immunopharma, Inc. — Director's Dealing 2026

Feb 12, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Lyell Immunopharma, Inc. (LYEL)
CIK: 0001806952
Period of Report: 2026-02-11

Reporting Person: Seely Lynn (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-11	Common Stock	S	7455	$23.39	Disposed	74266	Direct

Footnotes

F1: Shares automatically sold to cover tax withholding obligation from settlement of performance-based vested restricted stock units.

F2: The price reported above reflects the weighted average price of the shares sold. The sale price ranged from $23.3939 to $24.7850 per share. Upon request from the SEC staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.