| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BEHRENS M KATHLEEN | Director | C/O IGM BIOSCIENCES, INC., 325 E. MIDDLEFIELD ROAD, MOUNTAIN VIEW | /s/ Misbah Tahir, by power of attorney | 02 Jul 2025 | 0001211701 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IGMS | Common Stock | Award | $0 | +1,471 | +7.1% | $0.000000 | 22,222 | 30 Jun 2025 | Direct | F1 |
| holding | IGMS | Common Stock | 330,700 | 30 Jun 2025 | See footnote | F2 | |||||
| holding | IGMS | Common Stock | 29,807 | 30 Jun 2025 | See footnote | F3 | |||||
| holding | IGMS | Common Stock | 29,806 | 30 Jun 2025 | See footnote | F4 |
| Id | Content |
|---|---|
| F1 | These securities are fully vested restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of the Issuer's common stock. The amount reflects payment of a quarterly retainer in common stock pursuant to the Issuer's Outside Director Compensation Policy. |
| F2 | The shares are held in the name of KBW 2005 Trust for which Reporting Person is the Trustee. |
| F3 | The shares are held in the name of Non-Exempt Trust for Patrick R. Wilsey Under the Alfred S. Wilsey, Jr. Revocable Trust for which Reporting Person is a Trustee. |
| F4 | The shares are held in the name of Non-Exempt Trust for Shannon K. Wilsey Under the Alfred S. Wilsey, Jr. Revocable Trust for which Reporting Person is a Trustee. |