Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2023-12-13 Sale |
2023-12-15 7:20 pm |
IGM Biosciences Inc. | IGMS | Schwarzer Fred CEO and President |
17,576 | $5.7782 | $101,558 | 299,566 (Indirect Direct) |
View |
2023-12-13 Sale |
2023-12-15 7:19 pm |
IGM Biosciences Inc. | IGMS | Keyt Bruce Chief Scientific Officer |
7,574 | $5.7782 | $43,764 | 130,564 (Indirect Direct) |
View |
2023-12-13 Sale |
2023-12-15 7:18 pm |
IGM Biosciences Inc. | IGMS | Decker Lisa Lynn Chief Business Officer |
4,369 | $5.7782 | $25,245 | 35,632 (Direct) |
View |
2023-12-13 Purchase |
2023-12-15 5:32 pm |
IGM Biosciences Inc. | IGMS | BAKER BROS. ADVISORS LP 667 L.P. Baker Brothers Life Sciences LP BAKER FELIX BAKER JULIAN Baker Bros. Advisors (GP) LLC Director 10% Owner |
532,693 | $6.4417 | $3,431,464 | 3,390,323 (Indirect) |
View |
2023-11-29 Sale |
2023-12-01 7:03 pm |
IGM Biosciences Inc. | IGMS | Takimoto Chris H Chief Medical Officer |
1,180 | $6.213 | $7,331 | 53,562 (Direct) |
View |
2023-11-29 Sale |
2023-12-01 7:02 pm |
IGM Biosciences Inc. | IGMS | Gauthier George Chief Commercial Officer |
1,180 | $6.213 | $7,331 | 39,642 (Direct) |
View |
2023-11-27 Sale |
2023-11-29 8:49 pm |
IGM Biosciences Inc. | IGMS | Tahir Misbah Chief Financial Officer |
1,337 | $5.0592 | $6,764 | 49,608 (Direct) |
View |
2023-11-27 Sale |
2023-11-29 8:48 pm |
IGM Biosciences Inc. | IGMS | Schwarzer Fred CEO and President |
1,337 | $5.0592 | $6,764 | 317,142 (Indirect Direct) |
View |
2023-11-27 Sale |
2023-11-29 8:47 pm |
IGM Biosciences Inc. | IGMS | Keyt Bruce Chief Scientific Officer |
933 | $5.0592 | $4,720 | 138,138 (Indirect Direct) |
View |
2023-10-02 Sale |
2023-10-03 7:55 pm |
IGM Biosciences Inc. | IGMS | Gauthier George Chief Commercial Officer |
935 | $7.9463 | $7,430 | 39,082 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-03-12 Option Award |
2024-03-14 6:27 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Weber Steven PRINCIPAL ACCOUNTING OFFICER |
56,250 | $0 | 65,000 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:25 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Takimoto Chris H CHIEF MEDICAL OFFICER |
138,750 | $0 | 192,312 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:22 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Tahir Misbah CHIEF FINANCIAL OFFICER |
138,750 | $0 | 188,358 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:18 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Schwarzer Fred CEO AND PRESIDENT |
368,250 | $0 | 667,816 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:15 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Keyt Bruce CHIEF SCIENTIFIC OFFICER |
138,750 | $0 | 272,340 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:12 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Decker Lisa Lynn CHIEF BUSINESS OFFICER |
86,250 | $0 | 121,882 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:09 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:05 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 6:03 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Thompson Elizabeth H.Z. Director |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 5:57 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Strohl William Director |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 5:54 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | Hambleton Julie Director |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 5:50 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director |
29,400 | $0 | 29,400 (Direct) |
View |
2024-03-12 Option Award |
2024-03-14 4:36 pm |
N/A 2034-03-12 |
IGM Biosciences Inc. | IGMS | BAKER BROS. ADVISORS LP 667 L.P. BAKER FELIX BAKER JULIAN Baker Bros. Advisors (GP) LLC Baker Brothers Life Sciences LP Director 10% Owner |
58,800 | $0 | 58,800 (Indirect) |
View |
2024-03-01 Exercise |
2024-03-05 7:34 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Keyt Bruce CHIEF SCIENTIFIC OFFICER |
3,026 | $0.93 | 133,590 (Indirect) |
View |
2024-03-01 Exercise |
2024-03-05 7:34 pm |
N/A 2024-03-05 |
IGM Biosciences Inc. | IGMS | Keyt Bruce CHIEF SCIENTIFIC OFFICER |
3,026 | $0 | 133,590 (Indirect) |
View |
2024-02-28 Conversion |
2024-03-01 9:30 pm |
2024-02-28 N/A |
IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director 10% Owner |
113,400 | $0 | 10,288,387 (Indirect) |
View |
2023-12-29 Option Award |
2024-01-03 8:49 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Lee Michael Stewart Director |
492 | $0 | 4,120 (Direct) |
View |
2023-12-29 Option Award |
2024-01-03 8:46 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director |
492 | $0 | 2,975,662 (Indirect) |
View |
2023-12-29 Option Award |
2024-01-03 6:17 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
492 | $0 | 10,483,684 (Direct) |
View |
2023-12-29 Option Award |
2024-01-03 6:16 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner |
738 | $0 | 10,451,283 (Direct) |
View |
2023-12-29 Option Award |
2024-01-03 6:14 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director |
800 | $0 | 397,281 (Direct) |
View |
2023-12-29 Option Award |
2024-01-03 6:02 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | BAKER BROS. ADVISORS LP 667 L.P. Baker Brothers Life Sciences LP BAKER FELIX BAKER JULIAN Baker Bros. Advisors (GP) LLC Director 10% Owner |
554 | $0 | 3,390,877 (Indirect) |
View |
2023-11-15 Option Award |
2023-12-01 7:02 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Gauthier George Chief Commercial Officer |
1,740 | $5.02 | 39,642 (Direct) |
View |
2023-11-15 Option Award |
2023-11-29 8:49 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Tahir Misbah Chief Financial Officer |
234 | $11.71 | 49,608 (Direct) |
View |
2023-10-03 Option Award |
2023-10-05 7:43 pm |
N/A 2033-10-03 |
IGM Biosciences Inc. | IGMS | Thompson Elizabeth H.Z. Director |
31,000 | $0 | 31,000 (Direct) |
View |
2023-09-29 Option Award |
2023-10-03 8:44 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director |
492 | $0 | 2,975,170 (Indirect) |
View |
2023-09-29 Option Award |
2023-10-03 8:43 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Lee Michael Stewart Director |
492 | $0 | 3,628 (Direct) |
View |
2023-09-29 Option Award |
2023-10-03 7:53 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
492 | $0 | 10,483,192 (Direct) |
View |
2023-09-29 Option Award |
2023-10-03 7:52 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner |
738 | $0 | 10,450,545 (Direct) |
View |
2023-09-29 Option Award |
2023-10-03 7:51 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | LOBERG MICHAEL D Director |
1,138 | $0 | 82,928 (Direct) |
View |
2023-09-29 Option Award |
2023-10-03 7:50 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director |
800 | $0 | 396,481 (Direct) |
View |