Insider Transactions Reported by 20 Insiders of IGM Biosciences, Inc.

Location
Mountain View, CA

Insiders trading volume in the past year

IGM Biosciences, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Fred Schwarzer CEO AND PRESIDENT, Director $5,156,021 13 Sep 2024
Bruce Keyt Chief Scientific Officer $2,849,933 13 Sep 2024
Chris H. Takimoto Chief Medical Officer $1,780,795 13 Sep 2024
Daniel ShinYu Chen Chief Medical Officer $769,019 01 Jul 2021
George Gauthier Chief Commercial Officer $261,637 29 Nov 2023
Michael D. Loberg Director $230,637 29 Sep 2023
Misbah Tahir Chief Financial Officer $216,453 -$12,951 -5.6% 23 Jul 2025
Lisa Lynn Decker Chief Business Officer $86,765 -$6,752 -7.2% 23 Jul 2025
Steven Weber Principal Accounting Officer $31,814 -$2,673 -7.8% 16 Jun 2025
Julie Hambleton Director $0 14 Aug 2025
William Strohl Director $0 14 Aug 2025
Christina Teng Topsoe Director, 10%+ Owner $0 14 Aug 2025
Jakob Haldor Topsoe Director, 10%+ Owner $0 14 Aug 2025
M. Kathleen Behrens Director $0 14 Aug 2025
Mary Beth Harler Chief Executive Officer, Director $0 -$20,282 -100% 14 Aug 2025
Topsoe Holding A/S 10%+ Owner $0 14 Aug 2025
Michael Stewart Lee Director $0 14 Aug 2025
BAKER BROS. ADVISORS LP Former 10% owner and director $0 14 Aug 2025
Redmile Group, LLC Director, 10%+ Owner $0 14 Aug 2025
Elizabeth H.z. Thompson Director $0 14 Aug 2025

Recent Insider Transactions by Companies or Individuals for IGM Biosciences, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Baker Bros. Advisors Lp IGMS Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -4,120,410 0 14 Aug 2025 See Footnotes
Baker Bros. Advisors Lp IGMS Non-Voting Common Stock Disposition pursuant to a tender of shares in a change of control transaction -100% -10,720,924 0 14 Aug 2025 See Footnotes
Redmile Group, LLC IGMS Common Stock Disposed to Issuer -100% -2,964,843 0 14 Aug 2025 See Footnotes
Redmile Group, LLC IGMS Pre-Funded Warrants to Purchase Common Stock Disposed to Issuer -100% -667,666 0 14 Aug 2025 See Footnotes
Redmile Group, LLC IGMS Non-Voting Common Stock Disposed to Issuer -100% -7,199,325 0 14 Aug 2025 See Footnotes
Julie Hambleton IGMS Common Stock Disposed to Issuer -100% -2,000 0 14 Aug 2025 Direct
Michael Stewart Lee IGMS Common Stock Disposed to Issuer -100% -12,712 0 14 Aug 2025 Direct
Topsoe Holding A/S IGMS Common Stock Disposed to Issuer -100% -10,400,564 0 14 Aug 2025 Direct
Topsoe Holding A/S IGMS Non-Voting Common Stock Disposed to Issuer -100% -5,044,295 0 14 Aug 2025 Direct
Jakob Haldor Topsoe IGMS Common Stock Disposed to Issuer -100% -10,400,564 0 14 Aug 2025 See footnote
Jakob Haldor Topsoe IGMS Common Stock Disposed to Issuer -100% -91,712 0 14 Aug 2025 Direct
Jakob Haldor Topsoe IGMS Non-Voting Common Stock Disposed to Issuer -100% -5,044,295 0 14 Aug 2025 See footnote
Christina Teng Topsoe IGMS Common Stock Disposed to Issuer -100% -10,410,364 0 14 Aug 2025 See footnote
Christina Teng Topsoe IGMS Common Stock Disposed to Issuer -100% -54,235 0 14 Aug 2025 Direct
Christina Teng Topsoe IGMS Non-Voting Common Stock Disposed to Issuer -100% -5,044,295 0 14 Aug 2025 See footnote
Elizabeth H.z. Thompson IGMS Common Stock Disposed to Issuer -100% -7,196 0 14 Aug 2025 Direct
William Strohl IGMS Common Stock Disposed to Issuer -100% -125,000 0 14 Aug 2025 Direct
Mary Beth Harler IGMS Common Stock Disposed to Issuer -100% -323,680 0 14 Aug 2025 Direct
M. Kathleen Behrens IGMS Common Stock Disposed to Issuer -100% -390,313 0 14 Aug 2025 See footnote
M. Kathleen Behrens IGMS Common Stock Disposed to Issuer -100% -22,222 0 14 Aug 2025 Direct
Misbah Tahir IGMS Common Stock Sale -4.89% $11,126 $1.27 -8,741 170,061 23 Jul 2025 Direct
Mary Beth Harler IGMS Common Stock Sale -4.29% $18,457 $1.27 -14,501 323,680 23 Jul 2025 Direct
Lisa Lynn Decker IGMS Common Stock Sale -6.07% $5,612 $1.27 -4,409 68,169 23 Jul 2025 Direct
Jakob Haldor Topsoe IGMS Common Stock Award 0.91% 828 91,712 30 Jun 2025 Direct
Christina Teng Topsoe IGMS Common Stock Award 2.42% 1,284 54,235 30 Jun 2025 Direct
Elizabeth H.z. Thompson IGMS Common Stock Award 10.7% 694 7,196 30 Jun 2025 Direct
M. Kathleen Behrens IGMS Common Stock Award 7.09% 1,471 22,222 30 Jun 2025 Direct
Baker Bros. Advisors Lp IGMS Common Stock Award 0.05% 1,906 3,763,362 30 Jun 2025 See Footnotes
Michael Stewart Lee IGMS Common Stock Award 6.97% 828 12,712 30 Jun 2025 Direct
Redmile Group, LLC IGMS Common Stock Award 0.03% 828 2,964,843 30 Jun 2025 See Footnotes
Steven Weber IGMS Common Stock Sale -1.8% $583 $1.20 -486 26,530 16 Jun 2025 Direct
Misbah Tahir IGMS Common Stock Sale -0.84% $1,825 $1.20 -1,522 178,802 16 Jun 2025 Direct
Mary Beth Harler IGMS Common Stock Sale -0.45% $1,825 $1.20 -1,522 338,181 16 Jun 2025 Direct
Lisa Lynn Decker IGMS Common Stock Sale -1.29% $1,140 $1.20 -951 72,578 16 Jun 2025 Direct
Steven Weber IGMS Common Stock Sale -6.46% $2,090 $1.12 -1,865 27,016 14 May 2025 Direct
Michael Stewart Lee IGMS Common Stock Award 7.49% 828 11,884 31 Mar 2025 Direct
Redmile Group, LLC IGMS Common Stock Award 0.03% 828 2,964,015 31 Mar 2025 See Footnotes
Jakob Haldor Topsoe IGMS Common Stock Award 0.92% 828 90,884 31 Mar 2025 Direct
Christina Teng Topsoe IGMS Common Stock Award 2.49% 1,284 52,951 31 Mar 2025 Direct
Elizabeth H.z. Thompson IGMS Common Stock Award 12% 694 6,502 31 Mar 2025 Direct
M. Kathleen Behrens IGMS Common Stock Award 7.63% 1,471 20,751 31 Mar 2025 Direct
Baker Bros. Advisors Lp IGMS Common Stock Award 0.05% 1,906 3,762,409 31 Mar 2025 See Footnotes
* An asterisk sign (*) next to the price indicates that the price is likely invalid.