Jakob Haldor Topsoe

Companies

• IGM Biosciences, Inc.Board member Sep 17, 2019 to now¹

Holdings

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

Shares held

• IBIGM Biosciences, Inc.0 shares²Aug 14, 2025

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

Recent filings

• Aug 14, 2025Returned to company 10,400,564 shares of IGM Biosciences, Inc.²
• Aug 14, 2025Returned to company 91,712 shares of IGM Biosciences, Inc.²
• Jun 30, 2025Granted 828 shares of IGM Biosciences, Inc.³
• Mar 31, 2025Granted 828 shares of IGM Biosciences, Inc.⁴
• Dec 31, 2024Granted 1,734 shares of IGM Biosciences, Inc.⁵
• Sep 30, 2024Granted 1,734 shares of IGM Biosciences, Inc.⁶
• Jun 28, 2024Granted 1,734 shares of IGM Biosciences, Inc.⁷
• Mar 29, 2024Granted 1,734 shares of IGM Biosciences, Inc.⁸
• Dec 29, 2023Granted 492 shares of IGM Biosciences, Inc.⁹
• Sep 29, 2023Granted 492 shares of IGM Biosciences, Inc.¹⁰
• Jun 30, 2023Granted 492 shares of IGM Biosciences, Inc.¹¹
• Jun 30, 2023Bought 3,500 shares at $9.25 of IGM Biosciences, Inc.¹¹
• Jun 29, 2023Bought 3,500 shares at $9.10 of IGM Biosciences, Inc.¹¹
• Mar 31, 2023Granted 492 shares of IGM Biosciences, Inc.¹²
• Dec 30, 2022Granted 230 shares of IGM Biosciences, Inc.¹³
• Sep 30, 2022Granted 230 shares of IGM Biosciences, Inc.¹⁴
• Jun 30, 2022Granted 230 shares of IGM Biosciences, Inc.¹⁵
• May 20, 2022Bought 1,481 shares at $16.00 of IGM Biosciences, Inc.¹⁶
• May 13, 2022Bought 7,850 shares at $14.86 of IGM Biosciences, Inc.¹⁷
• May 12, 2022Bought 8,254 shares at $14.17 of IGM Biosciences, Inc.¹⁷
• Mar 31, 2022Granted 230 shares of IGM Biosciences, Inc.¹⁸
• Dec 31, 2021Granted 130 shares of IGM Biosciences, Inc.¹⁹
• Sep 30, 2021Granted 130 shares of IGM Biosciences, Inc.²⁰