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 |
2021-07-06 Sale |
2021-07-06 7:45 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
943 | $82.75 | $78,033 | 454,858 (Direct) |
View |
2021-06-02 Sale |
2021-06-03 8:29 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
941 | $79.15 | $74,480 | 456,758 (Direct) |
View |
2021-05-26 Sale |
2021-05-28 6:19 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
444 | $70 | $31,080 | 116,518 (Direct) |
View |
2021-05-05 Sale |
2021-05-06 7:59 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
469 | $62.32 | $29,226 | 116,518 (Direct) |
View |
2021-04-06 Sale |
2021-04-07 9:23 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,222 | $82 | $100,204 | 460,508 (Direct) |
View |
2021-03-02 Sale |
2021-03-03 9:42 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,224 | $90.25 | $110,466 | 462,408 (Direct) |
View |
2021-02-03 Sale |
2021-02-04 8:11 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,226 | $96 | $117,696 | 464,263 (Direct) |
View |
2021-01-05 Sale |
2021-01-06 8:37 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,102 | $79.25 | $87,334 | 466,163 (Direct) |
View |
2020-12-08 Sale |
2020-12-09 7:43 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,219 | $91 | $110,929 | 468,063 (Direct) |
View |
2020-12-02 Sale |
2020-12-03 9:10 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
608 | $63.15 | $38,398 | 469,963 (Direct) |
View |
2020-11-04 Sale |
2020-11-04 8:28 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
605 | $50 | $30,250 | 470,913 (Direct) |
View |
2020-10-02 Sale |
2020-10-05 5:49 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,830 | $73.5 | $134,505 | 471,908 (Direct) |
View |
2020-09-18 Sale |
2020-09-18 7:14 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
609 | $77.91 | $47,447 | 474,758 (Direct) |
View |
2020-09-08 Sale |
2020-09-09 7:17 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
602 | $50.2 | $30,220 | 116,518 (Direct) |
View |
2020-08-27 Sale |
2020-08-28 6:32 pm |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
605 | $45.13 | $27,301 | 116,518 (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 |
2021-07-01 Exercise |
2021-07-06 7:45 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 454,858 (Direct) |
View |
2021-07-01 Tax Withholding |
2021-07-06 7:45 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
957 | $89.43 | 454,858 (Direct) |
View |
2021-07-01 Exercise |
2021-07-06 7:45 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 454,858 (Direct) |
View |
2021-06-01 Exercise |
2021-06-03 8:29 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 456,758 (Direct) |
View |
2021-06-01 Exercise |
2021-06-03 8:29 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 456,758 (Direct) |
View |
2021-06-01 Tax Withholding |
2021-06-03 8:29 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
959 | $79.99 | 456,758 (Direct) |
View |
2021-05-14 Exercise |
2021-05-18 9:38 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
900 | $1.39 | 459,102 (Direct) |
View |
2021-05-14 Tax Withholding |
2021-05-18 9:38 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
456 | $68.76 | 459,102 (Direct) |
View |
2021-05-14 Exercise |
2021-05-18 9:38 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
900 | $0 | 459,102 (Direct) |
View |
2021-05-03 Tax Withholding |
2021-05-05 9:30 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
481 | $68.03 | 460,027 (Direct) |
View |
2021-05-03 Exercise |
2021-05-05 9:30 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 460,027 (Direct) |
View |
2021-05-03 Exercise |
2021-05-05 9:30 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 460,027 (Direct) |
View |
2021-04-05 Exercise |
2021-04-07 9:23 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 460,508 (Direct) |
View |
2021-04-05 Tax Withholding |
2021-04-07 9:23 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
678 | $83.4 | 460,508 (Direct) |
View |
2021-04-05 Exercise |
2021-04-07 9:23 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 460,508 (Direct) |
View |
2021-03-01 Exercise |
2021-03-03 9:42 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 462,408 (Direct) |
View |
2021-03-01 Exercise |
2021-03-03 9:42 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 462,408 (Direct) |
View |
2021-03-01 Tax Withholding |
2021-03-03 9:42 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
676 | $92.44 | 462,408 (Direct) |
View |
2021-02-19 Option Award |
2021-02-23 9:30 pm |
N/A 2031-02-19 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
40,000 | $0 | 40,000 (Direct) |
View |
2021-02-02 Tax Withholding |
2021-02-04 8:11 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
674 | $96.4 | 464,263 (Direct) |
View |
2021-02-02 Exercise |
2021-02-04 8:11 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 464,263 (Direct) |
View |
2021-02-02 Exercise |
2021-02-04 8:11 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 464,263 (Direct) |
View |
2021-01-04 Tax Withholding |
2021-01-06 8:37 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
798 | $77.27 | 466,163 (Direct) |
View |
2021-01-04 Exercise |
2021-01-06 8:37 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 466,163 (Direct) |
View |
2021-01-04 Exercise |
2021-01-06 8:37 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 466,163 (Direct) |
View |
2020-12-07 Exercise |
2020-12-09 7:43 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $1.39 | 468,063 (Direct) |
View |
2020-12-07 Tax Withholding |
2020-12-09 7:43 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
681 | $72.92 | 468,063 (Direct) |
View |
2020-12-07 Exercise |
2020-12-09 7:43 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,900 | $0 | 468,063 (Direct) |
View |
2020-12-01 Exercise |
2020-12-03 9:10 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 469,963 (Direct) |
View |
2020-12-01 Tax Withholding |
2020-12-03 9:10 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
342 | $64.22 | 469,963 (Direct) |
View |
2020-12-01 Exercise |
2020-12-03 9:10 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 469,963 (Direct) |
View |
2020-11-02 Exercise |
2020-11-04 8:28 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 470,913 (Direct) |
View |
2020-11-02 Tax Withholding |
2020-11-04 8:28 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
345 | $52.39 | 470,913 (Direct) |
View |
2020-11-02 Exercise |
2020-11-04 8:28 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 470,913 (Direct) |
View |
2020-10-01 Exercise |
2020-10-05 5:49 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
2,850 | $1.39 | 471,908 (Direct) |
View |
2020-10-01 Tax Withholding |
2020-10-05 5:49 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
1,020 | $76.13 | 471,908 (Direct) |
View |
2020-10-01 Exercise |
2020-10-05 5:49 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
2,850 | $0 | 471,908 (Direct) |
View |
2020-09-17 Exercise |
2020-09-18 7:14 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 474,758 (Direct) |
View |
2020-09-17 Tax Withholding |
2020-09-18 7:14 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
341 | $71.14 | 474,758 (Direct) |
View |
2020-09-17 Exercise |
2020-09-18 7:14 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 474,758 (Direct) |
View |
2020-09-01 Exercise |
2020-09-03 5:52 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 476,310 (Direct) |
View |
2020-09-01 Tax Withholding |
2020-09-03 5:52 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
348 | $44.77 | 476,310 (Direct) |
View |
2020-09-01 Exercise |
2020-09-03 5:52 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 476,310 (Direct) |
View |
2020-08-11 Tax Withholding |
2020-08-13 4:35 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
345 | $53.26 | 477,263 (Direct) |
View |
2020-08-11 Exercise |
2020-08-13 4:35 pm |
N/A N/A |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $1.39 | 477,263 (Direct) |
View |
2020-08-11 Exercise |
2020-08-13 4:35 pm |
N/A 2028-12-30 |
IGM Biosciences Inc. | IGMS | Chen Daniel ShinYu Chief Medical Officer |
950 | $0 | 477,263 (Direct) |
View |