David Shook - 10 Jun 2026 Form 4 Insider Report for Lyell Immunopharma, Inc. (LYEL)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
11 Jun 2026, 16:07:50 UTC
Prior SEC filing
11 Feb 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Mark Meltz, Attorney-in-Fact

Key filing fact

David Shook filed Form 4 for Lyell Immunopharma, Inc. (LYEL) on 11 Jun 2026.

Key facts

  • This page summarizes David Shook's Form 4 filing for Lyell Immunopharma, Inc. (LYEL).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 11 Jun 2026, 16:07.

Change

  • Previous filing in this sequence was filed on 11 Feb 2026.
  • Current net transaction value: -$24,989.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001959742 Primary reporting owner

Shook David

Relationship
Chief Medical Officer
Address
C/O LYELL IMMUNOPHARMA, INC., 201 HASKINS WAY, SUITE 101, SOUTH SAN FRANCISCO
Signature
/s/ Mark Meltz, Attorney-in-Fact
Signature date
11 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

LYEL transaction

Common Stock

Sale

Transaction value
$24,989
Shares
-1,977
Change %
-8.6%
Price
$12.64
Shares after
20,923
Date
10 Jun 2026
Ownership
Direct
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Shares automatically sold to cover tax withholding obligation from settlement of vested restricted stock units.

Footnote F2

Includes 1,000 shares acquired on May 18, 2026 under the Issuer's 2021 Employee Stock Purchase Plan.

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