Alexander J. Denner

Companies

• Ironwood PharmaceuticalsBoard member Nov 9, 2020 to now¹
• BiogenBoard member Jun 12, 2009 to Jun 17, 2022²
• ARIAD PharmaceuticalsBoard member Feb 24, 2014 to Feb 16, 2017³
• VivusBoard member Aug 16, 2013 to Nov 3, 2015⁴
• Enzon PharmaceuticalsBoard member May 26, 2009 to Jan 4, 2013⁵
• Amylin PharmaceuticalsBoard member Jun 11, 2009 to Aug 10, 2012⁶
• Savara IncBoard member Oct 26, 2006 to Oct 19, 2009⁷

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Biogen BIIB658,099 shares⁸$153.1M at $232.66Jun 17, 2022
• IPIronwood Pharmaceuticals IRWD9,516,184 shares⁹$35.9M at $3.77Sep 15, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 15, 2026Granted 3,694 shares of Ironwood Pharmaceuticals⁹
• Jun 16, 2026Granted 63,481 shares of Ironwood Pharmaceuticals¹⁰
• Jun 15, 2026Granted 4,065 shares of Ironwood Pharmaceuticals¹⁰
• Mar 17, 2026Sold 5,800 shares at $3.31 of Ironwood Pharmaceuticals¹¹
• Mar 17, 2026Sold 6,725,000 shares at $3.05 of Ironwood Pharmaceuticals¹¹
• Mar 13, 2026Granted 4,451 shares of Ironwood Pharmaceuticals¹¹
• Dec 15, 2025Granted 4,178 shares of Ironwood Pharmaceuticals¹²
• Sep 15, 2025Granted 11,718 shares of Ironwood Pharmaceuticals¹³
• Jun 10, 2025Granted 45,000 shares of Ironwood Pharmaceuticals¹⁴
• Mar 6, 2025Sold 1,196,746 shares at $17.52 of Innoviva, Inc.¹⁵
• Mar 5, 2025Sold 270,374 shares at $17.63 of Innoviva, Inc.¹⁵
• Mar 4, 2025Sold 151,175 shares at $17.63 of Innoviva, Inc.¹⁵
• Jun 18, 2024Granted 24,311 shares of Ironwood Pharmaceuticals¹⁶
• Mar 15, 2024Granted 1,662 shares of Ironwood Pharmaceuticals¹⁷
• Sep 15, 2023Granted 1,798 shares of Ironwood Pharmaceuticals¹⁸
• Jun 6, 2023Bought 8,000 shares at $13.05 of Innoviva, Inc.¹⁹
• Jun 5, 2023Bought 7,000 shares at $13.04 of Innoviva, Inc.¹⁹
• May 30, 2023Bought 120,000 shares at $13.01 of Innoviva, Inc.²⁰
• May 26, 2023Bought 30,000 shares at $13.12 of Innoviva, Inc.²⁰
• May 25, 2023Bought 50,000 shares at $13.09 of Innoviva, Inc.²⁰
• May 11, 2023Bought 290,000 shares at $12.34 of Innoviva, Inc.²¹
• Mar 15, 2023Granted 1,438 shares of Ironwood Pharmaceuticals²²
• Dec 15, 2022Granted 1,244 shares of Ironwood Pharmaceuticals²³
• Jun 15, 2022Granted 1,370 shares of Biogen⁸