Alexander J Denner has bought stock on 20 days since Jan 2016
Director at Ironwood Pharmaceuticals, Inc., and 6 other companies
SEC CIK 0001361754 · Filings on SEC.gov ↗
Alexander J Denner's record
3 months after each buy, from the first price a copier could get.
2 buys have 3 months of prices so far. A record shows here at 3.
Companies
Every filing
22 filings since Jan 2016, newest first
Ironwood Pharmaceuticals Inc
Director
Innoviva, Inc.
10% owner
Innoviva, Inc.
10% owner
Ironwood Pharmaceuticals Inc
Director and 10% owner
Ironwood Pharmaceuticals Inc
Director and 10% owner
Ironwood Pharmaceuticals Inc
Director
Iterum Therapeutics Plc
10% owner
Medicines Co /de
Director
Biogen Inc.
Director
Medicines Co /de
Director
Medicines Co /de
Director
Biogen Inc.
Director
Medicines Co /de
Director
Medicines Co /de
Director
Medicines Co /de
Director
Biogen Inc.
Director
Biogen Inc.
Director
Medicines Co /de
Director
Bioverativ Inc.
Director
Biogen Inc.
Director
Apricus Biosciences, Inc.
10% owner
Apricus Biosciences, Inc.
10% owner
About Alexander J Denner
Alexander J. Denner, Ph.D. is a founding partner and chief investment officer of Sarissa Capital Management LP, a healthcare-focused investment firm established in 2011.( He joined the Board of Directors of Ironwood Pharmaceuticals Inc. (IRWD) as an independent director on November 9, 2020, and serves on the Governance and Nominating Committee; he is currently the largest individual shareholder with approximately 16.17 million shares, or 9.92% ownership.( Denner recently sold $20.5 million in IRWD Class A Common Stock on March 17, 2026.(
Prior to Sarissa, Denner was a senior managing director at Icahn Capital L.P. (2006-2011), and held portfolio manager roles at Viking Global Investors and Morgan Stanley Investment Management.( His career highlights include chairing the boards of Ariad Pharmaceuticals and The Medicines Company, and serving on the boards of Biogen Inc., Bioverativ Inc., and others such as Innoviva, Iterum Therapeutics, VIVUS, and Seelos Therapeutics.( Denner holds an S.B. in mechanical engineering from MIT, an M.S. and M.Phil. in mechanical engineering from Yale University, and an interdisciplinary Ph.D. from Yale.(
Written by Perplexity from public sources.
Filings come from SEC EDGAR. Not investment advice.