Harler Mary Beth (CIK 2018699) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-08-14). Recent activity: Sell IGMS (323,680 shares), Sell IGMS (14,501 shares), Sell IGMS (1,522 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-14 | IGM Biosciences, Inc. (IGMS) | Chief Executive Officer | Sell | 323,680 | $0 |
| 2025-07-25 | IGM Biosciences, Inc. (IGMS) | Chief Executive Officer | Sell | 14,501 | $18,416 |
| 2025-06-20 | IGM Biosciences, Inc. (IGMS) | Chief Executive Officer | Sell | 1,522 | $1,826 |
来源：SEC Form 4 申报文件 · 截至 2025-08-14