There have been 50 recent insider transactions recorded for IGM Biosciences, Inc. (IGMS), including 25 buys and 25 sells. Total insider buying was valued at RSU Award and total insider selling at $19.26M.
Notable insiders with recent activity include Decker Lisa Lynn, Tahir Misbah, Weber Steven. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — IGMS
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2025-06-16 |
Decker Lisa Lynn |
Chief Business Officer |
Informative Sell |
951 |
$1.20 |
$1.14K |
72,578 |
| 2025-06-16 |
Tahir Misbah |
Chief Financial Officer |
Informative Sell |
1,522 |
$1.20 |
$1.83K |
178,802 |
| 2025-06-16 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
486 |
$1.20 |
$582.81 |
26,530 |
| 2025-06-16 |
Harler Mary Beth |
Chief Executive Officer |
Informative Sell |
1,522 |
$1.20 |
$1.83K |
338,181 |
| 2025-05-14 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
1,865 |
$1.12 |
$2.09K |
27,016 |
| 2025-03-31 |
Behrens M Kathleen |
Director |
RSU Award |
1,471 |
- |
- |
20,751 |
| 2025-03-31 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
953 |
- |
- |
356,095 |
| 2025-03-31 |
Redmile Group, Llc |
10 Percent Owner |
RSU Award |
828 |
- |
- |
2,964,015 |
| 2025-03-31 |
Lee Michael Stewart |
Director |
RSU Award |
828 |
- |
- |
11,884 |
| 2025-03-31 |
Topsoe Jakob Haldor |
10 Percent Owner |
RSU Award |
828 |
- |
- |
90,884 |
| 2025-03-31 |
Topsoe Christina Teng |
10 Percent Owner |
RSU Award |
1,284 |
- |
- |
52,951 |
| 2025-03-31 |
Thompson Elizabeth H.z. |
Director |
RSU Award |
694 |
- |
- |
6,502 |
| 2025-03-14 |
Decker Lisa Lynn |
Chief Business Officer |
Informative Sell |
4,512 |
$1.23 |
$5.55K |
73,529 |
| 2025-03-14 |
Tahir Misbah |
Chief Financial Officer |
Informative Sell |
7,329 |
$1.23 |
$9.01K |
180,324 |
| 2025-03-14 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
1,701 |
$1.23 |
$2.09K |
28,881 |
| 2025-03-14 |
Harler Mary Beth |
Chief Executive Officer |
Informative Sell |
7,329 |
$1.23 |
$9.01K |
339,703 |
| 2025-01-15 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
1,122 |
$1.70 |
$1.91K |
30,582 |
| 2024-12-31 |
Redmile Group, Llc |
10 Percent Owner |
RSU Award |
1,734 |
- |
- |
2,963,187 |
| 2024-12-31 |
Lee Michael Stewart |
Director |
RSU Award |
1,734 |
- |
- |
11,056 |
| 2024-12-31 |
Behrens M Kathleen |
Director |
RSU Award |
3,078 |
- |
- |
19,280 |
| 2024-12-31 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
1,994 |
- |
- |
355,142 |
| 2024-12-31 |
Topsoe Jakob Haldor |
10 Percent Owner |
RSU Award |
1,734 |
- |
- |
90,056 |
| 2024-12-31 |
Topsoe Christina Teng |
10 Percent Owner |
RSU Award |
2,687 |
- |
- |
51,667 |
| 2024-12-31 |
Thompson Elizabeth H.z. |
Director |
RSU Award |
1,452 |
- |
- |
5,808 |
| 2024-12-16 |
Decker Lisa Lynn |
Chief Business Officer |
Informative Sell |
1,063 |
$7.48 |
$7.95K |
78,041 |
| 2024-12-16 |
Tahir Misbah |
Chief Financial Officer |
Informative Sell |
1,708 |
$7.48 |
$12.78K |
187,653 |
| 2024-12-16 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
539 |
$7.48 |
$4.03K |
31,704 |
| 2024-12-16 |
Harler Mary Beth |
Chief Executive Officer |
Informative Sell |
1,708 |
$7.48 |
$12.78K |
347,032 |
| 2024-11-18 |
Tahir Misbah |
Chief Financial Officer |
RSU Award |
66,667 |
- |
- |
189,361 |
| 2024-11-07 |
Weber Steven |
Principal Accounting Officer |
RSU Award |
6,700 |
- |
- |
32,243 |
| 2024-10-02 |
Harler Mary Beth |
Chief Executive Officer |
RSU Award |
185,000 |
- |
- |
348,740 |
| 2024-09-30 |
Behrens M Kathleen |
Director |
RSU Award |
3,078 |
- |
- |
16,202 |
| 2024-09-30 |
Baker Bros. Advisors Lp |
10 Percent Owner |
RSU Award |
1,994 |
- |
- |
353,148 |
| 2024-09-30 |
Redmile Group, Llc |
10 Percent Owner |
RSU Award |
1,734 |
- |
- |
3,081,800 |
| 2024-09-30 |
Lee Michael Stewart |
Director |
RSU Award |
1,734 |
- |
- |
9,322 |
| 2024-09-30 |
Topsoe Jakob Haldor |
10 Percent Owner |
RSU Award |
1,734 |
- |
- |
88,322 |
| 2024-09-30 |
Topsoe Christina Teng |
10 Percent Owner |
RSU Award |
2,687 |
- |
- |
48,980 |
| 2024-09-30 |
Thompson Elizabeth H.z. |
Director |
RSU Award |
1,452 |
- |
- |
4,356 |
| 2024-09-13 |
Takimoto Chris H |
Chief Medical Officer |
Informative Sell |
1,487 |
$11.54 |
$17.16K |
154,331 |
| 2024-09-13 |
Decker Lisa Lynn |
Chief Business Officer |
Informative Sell |
925 |
$11.54 |
$10.67K |
79,104 |
| 2024-09-13 |
Tahir Misbah |
Chief Financial Officer |
Informative Sell |
1,487 |
$11.54 |
$17.16K |
122,694 |
| 2024-09-13 |
Schwarzer Fred |
CEO and President |
Informative Sell |
3,946 |
$11.54 |
$45.53K |
250,124 |
| 2024-09-13 |
Keyt Bruce |
Chief Scientific Officer |
Informative Sell |
1,487 |
$11.54 |
$17.16K |
242,948 |
| 2024-09-13 |
Weber Steven |
Principal Accounting Officer |
Informative Sell |
469 |
$11.54 |
$5.41K |
25,543 |
| 2024-09-13 |
Harler Mary Beth |
Head, Research & Autoimmunity |
Informative Sell |
1,487 |
$11.54 |
$17.16K |
163,740 |
| 2024-08-08 |
Strohl William |
Director |
RSU Award |
125,000 |
- |
- |
125,000 |
| 2024-07-25 |
Hambleton Julie |
Director |
Option Exercise (Sell) |
15,132 |
$1.39 |
$21.03K |
- |
| 2024-07-19 |
Takimoto Chris H |
Chief Medical Officer |
Return of Shares |
150,000 |
$68.01 |
$10.2M |
- |
| 2024-07-19 |
Decker Lisa Lynn |
Chief Business Officer |
Return of Shares |
60,000 |
$86.24 |
$5.17M |
- |
| 2024-07-19 |
Tahir Misbah |
Chief Financial Officer |
Return of Shares |
40,000 |
$91.50 |
$3.66M |
- |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
