Stephen A. Sherwin
Chief Executive Officer, CELL GENESYS INC.
Companies
- BiogenBoard member Mar 24, 2010 to now1
- Neurocrine BiosciencesBoard member Jun 30, 2006 to now2
- Epiphany Technology Acquisition Corp.Board member Oct 4, 2022 to Oct 4, 20223
- BioPlus Acquisition Corp.Board member Dec 2, 2021 to Dec 2, 20214
- CHINOOK THERAPEUTICS, INC.Board member Jun 26, 2015 to May 28, 20205
- RIGEL PHARMACEUTICALS INCBoard member Jun 1, 2006 to May 12, 20166
- Verastem OncologyBoard member Mar 6, 2013 to Jun 16, 20157
- Fresh Tracks Therapeutics, Inc.Board member May 28, 2013 to May 26, 20158
- ANI PHARMACEUTICALS INCBoard member Oct 15, 2009 to Mar 30, 20129
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 BIIB15,193 shares10$3.5M at $232.66Jun 9, 2026
Neurocrine Biosciences NBIX14,860 shares11$2.0M at $136.95Sep 2, 2026
As of each latest filing. The line shows shares held over time.
Recent filings
- Sep 2, 2026Gift 1,000 shares of Neurocrine Biosciences11
- Jun 9, 2026Granted 1,505 shares of Biogen10
- Jun 5, 2026Sold 1,843 shares at $167.31 of Neurocrine Biosciences12
- Jun 5, 2026Sold 5,829 shares at $166.56 of Neurocrine Biosciences12
- Jun 5, 2026Sold 6,896 shares at $165.79 of Neurocrine Biosciences12
- Jun 5, 2026Sold 2,549 shares at $164.44 of Neurocrine Biosciences12
- Jun 5, 2026Sold 7,883 shares at $163.81 of Neurocrine Biosciences12
- Jun 5, 2026Exercised options 10,000 shares at $79.79 of Neurocrine Biosciences12
- Jun 5, 2026Exercised options 15,000 shares at $53.64 of Neurocrine Biosciences12
- May 21, 2026Exercised options 3,318 shares of Neurocrine Biosciences13
- Sep 2, 2025Gift 1,000 shares of Neurocrine Biosciences14
- Jun 17, 2025Granted 2,370 shares of Biogen15
- May 22, 2025Exercised options 2,869 shares of Neurocrine Biosciences16
- Mar 7, 2025Sold 8,760 shares at $150.02 of Biogen17
- Feb 13, 2025Sold 13,831 shares at $116.69 of Neurocrine Biosciences18
- Nov 4, 2024Gift 2,000 shares of Neurocrine Biosciences19
- Jun 21, 2024Granted 1,340 shares of Biogen20
- May 29, 2024Sold 15,000 shares at $133.47 of Neurocrine Biosciences21
- May 29, 2024Exercised options 15,000 shares at $47.89 of Neurocrine Biosciences21
- May 29, 2024Sold 25,000 shares at $133.46 of Neurocrine Biosciences21
- May 29, 2024Exercised options 25,000 shares at $42.76 of Neurocrine Biosciences21
- May 17, 2024Exercised options 4,199 shares of Neurocrine Biosciences22
- Nov 16, 2023Gift 2,750 shares of Neurocrine Biosciences23
- Jun 26, 2023Granted 960 shares of Biogen24
- Jan 3, 2023Sold 15,000 shares at $118.85 of Neurocrine Biosciences25
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1SEC EDGARBiogen, Board member
- 2SEC EDGARNeurocrine Biosciences, Board member
- 3
- 4
- 5
- 6
- 7SEC EDGARVerastem Oncology, Board member
- 8
- 9
- 10
- 11
- 12SEC EDGARForm 4 filed Jun 9, 2026
- 13SEC EDGARForm 4 filed May 21, 2026
- 14SEC EDGARForm 4 filed Sep 3, 2025
- 15SEC EDGARForm 4 filed Jun 18, 2025
- 16SEC EDGARForm 4 filed May 22, 2025
- 17SEC EDGARForm 4 filed Mar 10, 2025
- 18SEC EDGARForm 4 filed Feb 14, 2025
- 19SEC EDGARForm 4 filed Nov 7, 2024
- 20SEC EDGARForm 4 filed Jun 25, 2024
- 21SEC EDGARForm 4 filed May 30, 2024
- 22SEC EDGARForm 4 filed May 21, 2024
- 23SEC EDGARForm 4 filed Nov 20, 2023
- 24SEC EDGARForm 4 filed Jun 28, 2023
- 25SEC EDGARForm 4 filed Jan 5, 2023