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 |
| 2025-08-14 Sale | 2025-08-15 5:00 pm | IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director 10% Owner | 2,964,843 | $0 | $0 | 0 (Indirect) | View |
| 2025-08-14 Sale | 2025-08-14 8:52 pm | IGM Biosciences Inc. | IGMS | Hambleton Julie Director | 2,000 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 7:35 pm | IGM Biosciences Inc. | IGMS | Lee Michael Stewart Director | 12,712 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:28 pm | IGM Biosciences Inc. | IGMS | Topsoe Holding A/S 10% Owner | 10,400,564 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:27 pm | IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner | 10,492,276 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:26 pm | IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner | 10,464,599 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:25 pm | IGM Biosciences Inc. | IGMS | Thompson Elizabeth H.Z. Director | 7,196 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:24 pm | IGM Biosciences Inc. | IGMS | Strohl William Director | 125,000 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:23 pm | IGM Biosciences Inc. | IGMS | Harler Mary Beth Chief Executive Officer | 323,680 | $0 | $0 | 0 (Direct) | View |
| 2025-08-14 Sale | 2025-08-14 5:17 pm | IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director | 412,535 | $0 | $0 | 0 (Indirect Direct) | View |
| 2025-07-23 Sale | 2025-07-25 7:06 pm | IGM Biosciences Inc. | IGMS | Tahir Misbah CHIEF FINANCIAL OFFICER | 8,741 | $1.2728 | $11,126 | 170,061 (Direct) | View |
| 2025-07-23 Sale | 2025-07-25 7:03 pm | IGM Biosciences Inc. | IGMS | Harler Mary Beth Chief Executive Officer | 14,501 | $1.2728 | $18,457 | 323,680 (Direct) | View |
| 2025-07-23 Sale | 2025-07-25 7:01 pm | IGM Biosciences Inc. | IGMS | Decker Lisa Lynn CHIEF BUSINESS OFFICER | 4,409 | $1.2728 | $5,612 | 68,169 (Direct) | View |
| 2025-06-16 Sale | 2025-06-20 8:24 pm | IGM Biosciences Inc. | IGMS | Weber Steven PRINCIPAL ACCOUNTING OFFICER | 486 | $1.1992 | $583 | 26,530 (Direct) | View |
| 2025-06-16 Sale | 2025-06-20 8:23 pm | IGM Biosciences Inc. | IGMS | Tahir Misbah CHIEF FINANCIAL OFFICER | 1,522 | $1.1992 | $1,825 | 178,802 (Direct) | View |
| 2025-06-16 Sale | 2025-06-20 8:20 pm | IGM Biosciences Inc. | IGMS | Harler Mary Beth Chief Executive Officer | 1,522 | $1.1992 | $1,825 | 338,181 (Direct) | View |
| 2025-06-16 Sale | 2025-06-20 8:19 pm | IGM Biosciences Inc. | IGMS | Decker Lisa Lynn CHIEF BUSINESS OFFICER | 951 | $1.1992 | $1,140 | 72,578 (Direct) | View |
| 2025-05-14 Sale | 2025-05-16 4:05 pm | IGM Biosciences Inc. | IGMS | Weber Steven PRINCIPAL ACCOUNTING OFFICER | 1,865 | $1.1206 | $2,090 | 27,016 (Direct) | View |
| 2025-03-14 Sale | 2025-03-18 7:10 pm | IGM Biosciences Inc. | IGMS | Weber Steven PRINCIPAL ACCOUNTING OFFICER | 1,701 | $1.23 | $2,092 | 28,881 (Direct) | View |
| 2025-03-14 Sale | 2025-03-18 7:09 pm | IGM Biosciences Inc. | IGMS | Tahir Misbah CHIEF FINANCIAL OFFICER | 7,329 | $1.23 | $9,015 | 180,324 (Direct) | View |
| 2025-03-14 Sale | 2025-03-18 7:08 pm | IGM Biosciences Inc. | IGMS | Harler Mary Beth Chief Executive Officer | 7,329 | $1.23 | $9,015 | 339,703 (Direct) | View |
| 2025-03-14 Sale | 2025-03-18 7:07 pm | IGM Biosciences Inc. | IGMS | Decker Lisa Lynn CHIEF BUSINESS OFFICER | 4,512 | $1.23 | $5,550 | 73,529 (Direct) | View |
| 2025-01-15 Sale | 2025-01-17 5:54 pm | IGM Biosciences Inc. | IGMS | Weber Steven PRINCIPAL ACCOUNTING OFFICER | 1,122 | $1.6999 | $1,907 | 30,582 (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 |
| 2025-08-14 Equity Swap | 2025-08-18 5:39 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 Former 10% owner and director Director | 14,841,334 | $0 | 0 (Indirect) | View |
| 2025-06-30 Option Award | 2025-07-02 6:55 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Topsoe Jakob Haldor Director 10% Owner | 828 | $0 | 10,492,276 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 6:54 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner | 1,284 | $0 | 10,464,599 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 6:52 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Thompson Elizabeth H.Z. Director | 694 | $0 | 7,196 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 6:51 pm | N/A N/A | IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director | 1,471 | $0 | 412,535 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 5:26 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 | 953 | $0 | 3,763,362 (Indirect) | View |
| 2025-06-30 Option Award | 2025-07-02 4:02 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Lee Michael Stewart Director | 828 | $0 | 12,712 (Direct) | View |
| 2025-06-30 Option Award | 2025-07-02 4:01 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director 10% Owner | 828 | $0 | 2,964,843 (Indirect) | View |
| 2025-03-31 Option Award | 2025-04-02 9:01 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Lee Michael Stewart Director | 828 | $0 | 11,884 (Direct) | View |
| 2025-03-31 Option Award | 2025-04-02 9:00 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Redmile Group LLC Green Jeremy Director 10% Owner | 828 | $0 | 2,964,015 (Indirect) | View |
| 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 |
| 2025-03-31 Option Award | 2025-04-02 7:03 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner | 1,284 | $0 | 10,463,315 (Direct) | View |
| 2025-03-31 Option Award | 2025-04-02 7:01 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Thompson Elizabeth H.Z. Director | 694 | $0 | 6,502 (Direct) | View |
| 2025-03-31 Option Award | 2025-04-02 7:00 pm | N/A N/A | IGM Biosciences Inc. | IGMS | BEHRENS M KATHLEEN Director | 1,471 | $0 | 411,064 (Direct) | View |
| 2025-03-31 Option Award | 2025-04-02 4:43 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 | 953 | $0 | 3,762,409 (Indirect) | 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 |
| 2024-12-31 Option Award | 2025-01-03 5:58 pm | N/A N/A | IGM Biosciences Inc. | IGMS | Topsoe Christina Teng Director 10% Owner | 2,687 | $0 | 10,462,031 (Direct) | View |