Insider Shareholders with Direct Ownership of Igm Biosciences, Inc. (IGMS)
This section provides a comprehensive overview of the insiders with direct ownership of Igm Biosciences, Inc. (IGMS). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
IGM Biosciences, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Fred Schwarzer
CEO AND PRESIDENT |
301,246 | 52,218 | 250,124 $317,657 | 21 |
Sep 13, 2024
Reduced 1.55%
|
|
Bruce Keyt
CHIEF SCIENTIFIC OFFICER |
379,818 | 139,507 | 242,948 $308,543 | 80 |
Sep 13, 2024
Reduced 0.61%
|
|
Misbah Tahir
CHIEF FINANCIAL OFFICER |
210,133 | 40,072 | 170,061 $215,977 | 30 |
Jul 23, 2025
Reduced 4.89%
|
|
Chris H Takimoto
CHIEF MEDICAL OFFICER |
174,264 | 19,933 | 154,331 $196,000 | 19 |
Sep 13, 2024
Reduced 0.95%
|
|
Daniel Shin Yu Chen
Chief Medical Officer |
19,900 | 19,900 | 116,518 $147,977 | 36 |
Jul 06, 2021
Reduced 0.8%
|
| 36,941 | 91,712 | 91,712 $116,474 | 25 |
Jun 30, 2025
Added 0.89%
|
|
|
Lisa Lynn Decker
CHIEF BUSINESS OFFICER |
97,355 | 29,186 | 68,169 $86,574 | 24 |
Jul 23, 2025
Reduced 6.07%
|
| 19,146 | 54,235 | 54,235 $68,878 | 21 |
Jun 30, 2025
Added 2.31%
|
|
|
George Gauthier
Chief Commercial Officer |
52,700 | 13,258 | 39,642 $50,345 | 16 |
Nov 29, 2023
Reduced 2.89%
|
|
Steven Weber
PRINCIPAL ACCOUNTING OFFICER |
34,200 | 7,670 | 26,530 $33,693 | 12 |
Jun 16, 2025
Reduced 1.8%
|
| 21,508 | 22,222 | 22,222 $28,221 | 21 |
Jun 30, 2025
Added 6.21%
|
|
|
Michael D Loberg
Director |
7,816 | 4,937 | 1,138 $1,445 | 24 |
Sep 29, 2023
Added 50.0%
|
| 7,196 | 7,196 | 0 $0 | 7 |
Aug 14, 2025
Reduced 100.0%
|
|
|
Michael Stewart Lee
Director |
12,356 | 12,712 | 0 $0 | 21 |
Aug 14, 2025
Reduced 100.0%
|
| 15,132 | 20,132 | 0 $0 | 5 |
Aug 14, 2025
Reduced 100.0%
|
|
| 111,111 | 10,400,564 | 0 $0 | 2 |
Aug 14, 2025
Reduced 100.0%
|
|
| 125,000 | 125,000 | 0 $0 | 2 |
Aug 14, 2025
Reduced 100.0%
|
|
|
Mary Beth Harler
Chief Executive Officer |
265,000 | 351,797 | 0 $0 | 9 |
Aug 14, 2025
Reduced 100.0%
|