8 insiders reported 97 Form 4 transactions for Hemab Therapeutics Holdings, Inc. (COAG) over the past 18 months (most recent 2026-06-17). Recent activity: RA Capital Healthcare Fund LP (10% Owner) Buy 6,146 shares, RA CAPITAL MANAGEMENT, L.P. (10% Owner) Buy 6,146 shares, Kolchinsky Peter (10% Owner) Buy 6,146 shares, Shah Rajeev M. (10% Owner) Buy 6,146 shares, RA Capital Healthcare Fund LP (10% Owner) Buy 61,523 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 6,146 | $152,974 |
| 2026-06-17 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 6,146 | $152,974 |
| 2026-06-17 | Kolchinsky Peter | 10% Owner | Buy | 6,146 | $152,974 |
| 2026-06-17 | Shah Rajeev M. | 10% Owner | Buy | 6,146 | $152,974 |
| 2026-06-17 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 61,523 | $1.5M |
| 2026-06-17 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 61,523 | $1.5M |
| 2026-06-17 | Kolchinsky Peter | 10% Owner | Buy | 61,523 | $1.5M |
| 2026-06-17 | Shah Rajeev M. | 10% Owner | Buy | 61,523 | $1.5M |
| 2026-05-21 | Shah Rajeev M. | 10% Owner | Buy | 3,802 | $94,936 |
| 2026-05-21 | Kolchinsky Peter | 10% Owner | Buy | 3,802 | $94,936 |
| 2026-05-21 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 3,802 | $94,936 |
| 2026-05-21 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 3,802 | $94,936 |
| 2026-05-21 | Shah Rajeev M. | 10% Owner | Buy | 996 | $24,840 |
| 2026-05-21 | Kolchinsky Peter | 10% Owner | Buy | 996 | $24,840 |
| 2026-05-21 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 996 | $24,840 |
| 2026-05-21 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 996 | $24,840 |
| 2026-05-14 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 6,387 | $159,036 |
| 2026-05-14 | Shah Rajeev M. | 10% Owner | Buy | 6,387 | $159,036 |
| 2026-05-14 | Kolchinsky Peter | 10% Owner | Buy | 6,387 | $159,036 |
| 2026-05-14 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 6,387 | $159,036 |
| 2026-05-11 | Shah Rajeev M. | 10% Owner | Buy | 7,921 | $192,797 |
| 2026-05-11 | Kolchinsky Peter | 10% Owner | Buy | 7,921 | $192,797 |
| 2026-05-11 | RA CAPITAL MANAGEMENT, L.P. | 10% Owner | Buy | 7,921 | $192,797 |
| 2026-05-11 | RA Capital Healthcare Fund LP | 10% Owner | Buy | 7,921 | $192,797 |
| 2026-05-11 | Shah Rajeev M. | 10% Owner | Buy | 1,985 | $49,526 |
Source: SEC Form 4 filings · as of 2026-06-17