DENNER ALEXANDER J — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

DENNER ALEXANDER J has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $20.53M.

Profile

DENNER ALEXANDER J

Alexander J. Denner is a prominent investor and the founder of the hedge fund Sarissa Capital Management. He is known for his involvement in various biotechnology companies, including his role in influencing corporate strategy and governance at Ironwood Pharmaceuticals.

RoleInsider
Notability50/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-06-17IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award63.5K$0.00
2026-06-17IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award4.1K$0.00
2026-03-18IRWDIRONWOOD PHARMACEUTICALS INCS — Open-market sale5.8K$3.31$19K
2026-03-18IRWDIRONWOOD PHARMACEUTICALS INCS — Open-market sale6.72M$3.05$20.51M
2026-03-18IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award4.5K$0.00
2025-12-17IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award4.2K$0.00
2025-09-15IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award11.7K$0.00
2024-12-18IRWDIRONWOOD PHARMACEUTICALS INCA — Grant or award4.2K$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is DENNER ALEXANDER J?

Alexander J. Denner is a prominent investor and the founder of the hedge fund Sarissa Capital Management. He is known for his involvement in various biotechnology companies, including his role in influencing corporate strategy and governance at Ironwood Pharmaceuticals.…

How many SEC Form 4 filings has DENNER ALEXANDER J submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Has DENNER ALEXANDER J been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 2 open-market sales ($20.53M) across all tracked filings.

Where can I see all of DENNER ALEXANDER J'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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