Topsoe Christina Teng (CIK 1786442) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-08-14). Recent activity: Sell IGMS (54,235 shares), Sell IGMS (10.4M shares), Sell IGMS (9,800 shares), Buy IGMS (1,284 shares), Buy IGMS (1,284 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-14 | IGM Biosciences, Inc. (IGMS) | Director | Sell | 54,235 | $0 |
| 2025-08-14 | IGM Biosciences, Inc. (IGMS) | Director | Sell | 10.4M | $0 |
| 2025-08-14 | IGM Biosciences, Inc. (IGMS) | Director | Sell | 9,800 | $0 |
| 2025-07-02 | IGM Biosciences, Inc. (IGMS) | Director | Buy | 1,284 | $0 |
| 2025-04-02 | IGM Biosciences, Inc. (IGMS) | Director | Buy | 1,284 | $0 |
Source: SEC Form 4 filings · as of 2025-08-14