Stocks · Health care · Pharmaceutical Preparations

Lyell Immunopharma, Inc.

LYEL Clue Score29

United States Fiscal year ends December CIK 0001806952 Results filed 4 Nov 2026

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What the insiders did Net buying

Insider

Date

Role

Action

Price

Amount

ARCH Venture Fund XIII, L.P.

4 Nov 2026

10% owner

Buy indirect

2,321,262

$10.77

$25.00M

ARCH Venture Partners IX, LLC

4 Nov 2026

10% owner

Buy indirect

2,321,262

$10.77

$25.00M

Jarrad Mattieu Aguirre

12 Oct 2026

Chief Medical Officer

Sell

422

$8.63

$3.64K

Form 4 filings counted 3

Amendments (4/A) skipped 0

Filings about a different issuer 0

Unreadable filings 0

Joint filings 2

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 1

Transactions with no price 0

Shares from compensation/vesting 0

History held since 23 Jun 2021