Seely Lynn — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Seely Lynn has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $277K.

Profile

Seely Lynn

Lynn Seely is the President and CEO of Lyell Immunopharma, Inc., a clinical-stage cell therapy company focused on innovative treatments for solid tumors. She has also served as a director at Blueprint Medicines Corp, contributing her expertise in the biotechnology sector.

RoleDirector
Notability50/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-15LYELLyell Immunopharma, Inc.S — Open-market sale388$18.91$7K
2026-02-13LYELLyell Immunopharma, Inc.S — Open-market sale7.5K$23.39$174K
2026-02-12LYELLyell Immunopharma, Inc.S — Open-market sale438$23.12$10K
2026-02-12LYELLyell Immunopharma, Inc.A — Grant or award20.0K$0.00
2025-08-20LYELLyell Immunopharma, Inc.S — Open-market sale7.3K$10.54$77K
2025-08-20LYELLyell Immunopharma, Inc.A — Grant or award40.0K$0.00
2025-08-11LYELLyell Immunopharma, Inc.S — Open-market sale406$10.34$4K
2025-08-11LYELLyell Immunopharma, Inc.S — Open-market sale391$10.53$4K
2025-07-17BPMCBlueprint Medicines CorpJ — Other acquisition / disposition13.3K—
2025-07-17BPMCBlueprint Medicines CorpD — Derivative transaction3.9K—

Companies — Last 90 Days

Frequently Asked Questions

Who is Seely Lynn?

Lynn Seely is the President and CEO of Lyell Immunopharma, Inc., a clinical-stage cell therapy company focused on innovative treatments for solid tumors. She has also served as a director at Blueprint Medicines Corp, contributing her expertise in the biotechnology sector.…

How many SEC Form 4 filings has Seely Lynn submitted recently?

2 primary Form 4 filings in the last 90 days, covering 2 companies.

Has Seely Lynn been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 6 open-market sales ($277K) across all tracked filings.

Where can I see all of Seely Lynn's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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