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 |
2023-06-29 Purchase |
2023-07-03 6:46 pm |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
7,000 | $9.1745 | $64,222 | 10,482,700 (Indirect Direct) |
View |
2022-05-20 Purchase |
2022-05-24 5:13 pm |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
1,481 | $16 | $23,696 | 10,474,026 (Indirect Direct) |
View |
2022-05-12 Purchase |
2022-05-16 5:22 pm |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
16,104 | $14.51 | $233,674 | 10,472,545 (Indirect Direct) |
View |
2020-12-11 Purchase |
2020-12-15 8:31 pm |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
111,111 | $90 | $9,999,990 | 10,455,513 (Indirect 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 |
2025-03-31 Option Award |
2025-04-02 7:04 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
828 | $0 | 10,491,448 (Direct) |
View |
2024-12-31 Option Award |
2025-01-03 6:00 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
1,734 | $0 | 10,490,620 (Direct) |
View |
2024-09-30 Option Award |
2024-10-02 8:01 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
1,734 | $0 | 10,488,886 (Direct) |
View |
2024-06-28 Option Award |
2024-07-02 8:09 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
1,734 | $0 | 10,487,152 (Direct) |
View |
2024-03-29 Option Award |
2024-04-02 6:29 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
1,734 | $0 | 10,485,418 (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 |
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 |
2023-09-29 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 |
2023-06-30 Option Award |
2023-07-03 6:46 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
492 | $0 | 10,482,700 (Direct) |
View |
2023-04-04 Option Award |
2023-04-06 9:48 pm |
N/A 2033-04-04 |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
15,500 | $0 | 15,500 (Direct) |
View |
2023-03-31 Option Award |
2023-04-04 6:59 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
492 | $0 | 10,475,208 (Direct) |
View |
2022-12-30 Option Award |
2023-01-04 5:14 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
230 | $0 | 10,474,716 (Direct) |
View |
2022-09-30 Option Award |
2022-10-03 8:19 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
230 | $0 | 10,474,486 (Direct) |
View |
2022-06-30 Option Award |
2022-07-05 6:18 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
230 | $0 | 10,474,256 (Direct) |
View |
2022-03-31 Option Award |
2022-04-04 8:14 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
230 | $0 | 10,456,441 (Direct) |
View |
2022-03-12 Option Award |
2022-03-15 8:59 pm |
N/A 2032-03-12 |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
29,497 | $0 | 29,497 (Direct) |
View |
2021-12-31 Option Award |
2022-01-04 9:09 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
130 | $0 | 10,456,211 (Direct) |
View |
2021-09-30 Option Award |
2021-10-04 9:38 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
130 | $0 | 10,456,081 (Direct) |
View |
2021-06-30 Option Award |
2021-07-02 8:11 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
130 | $0 | 10,455,951 (Direct) |
View |
2021-03-31 Option Award |
2021-04-02 6:54 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
130 | $0 | 10,455,821 (Direct) |
View |
2021-02-19 Option Award |
2021-02-23 9:36 pm |
N/A 2031-02-19 |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
6,423 | $0 | 6,423 (Direct) |
View |
2020-12-31 Option Award |
2021-01-05 9:00 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
178 | $0 | 10,455,691 (Direct) |
View |
2020-10-01 Option Award |
2020-10-05 7:32 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner |
178 | $0 | 10,344,402 (Direct) |
View |
2020-07-01 Option Award |
2020-07-06 8:58 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director |
178 | $0 | 10,344,224 (Direct) |
View |