Hemab Therapeutics Holdings, Inc. (COAG) — insider trading
Health Care · Nasdaq
Hemab Therapeutics Holdings, Inc. (COAG) has 39 reported SEC Form 4 insider transactions in our data, including 16 open-market purchases among the most recent 39 (latest 2026-06-16).
Recent Form 4 transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-16 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 61,523 | $24.98 | $1.54M | Form 4 |
| 2026-06-15 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 6,146 | $24.89 | $153.0K | Form 4 |
| 2026-05-20 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 996 | $24.94 | $24.8K | Form 4 |
| 2026-05-19 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 3,802 | $24.97 | $94.9K | Form 4 |
| 2026-05-12 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 6,387 | $24.90 | $159.0K | Form 4 |
| 2026-05-11 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 25,720 | $25.00 | $643.0K | Form 4 |
| 2026-05-11 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 14,149 | $24.47 | $346.2K | Form 4 |
| 2026-05-08 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 1,483 | $24.98 | $37.0K | Form 4 |
| 2026-05-07 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 1,985 | $24.95 | $49.5K | Form 4 |
| 2026-05-07 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; Kolchinsky Peter; Shah Rajeev M. | 10% owner | Open-market purchase | 7,921 | $24.34 | $192.8K | Form 4 |
| 2026-05-06 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 53,407 | $24.83 | $1.33M | Form 4 |
| 2026-05-06 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 14,611 | $23.77 | $347.3K | Form 4 |
| 2026-05-05 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 10,268 | $25.00 | $256.7K | Form 4 |
| 2026-05-05 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 87,143 | $24.59 | $2.14M | Form 4 |
| 2026-05-04 | Novo Holdings A/S | 10% owner | Conversion of derivative (derivative) | 32,695 | $0.00 | $0 | Form 4 |
| 2026-05-04 | Novo Holdings A/S | 10% owner | Conversion of derivative (derivative) | 62,121 | $0.00 | $0 | Form 4 |
| 2026-05-04 | Novo Holdings A/S | 10% owner | Conversion of derivative (derivative) | 71,866 | $0.00 | $0 | Form 4 |
| 2026-05-04 | Novo Holdings A/S | 10% owner | Conversion of derivative (derivative) | 23,343 | $0.00 | $0 | Form 4 |
| 2026-05-04 | Novo Holdings A/S | 10% owner | Conversion of derivative | 4,180,550 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 10,054 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 56,972 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 18,146 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 42,341 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 27,720 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative (derivative) | 64,680 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 133,750 | $18.00 | $2.41M | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Open-market purchase | 2,541,250 | $18.00 | $45.74M | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative | 221,188 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative | 1,009,052 | — | — | Form 4 |
| 2026-05-04 | RA CAPITAL MANAGEMENT, L.P.; RA Capital Healthcare Fund LP; RA Capital Nexus Fund II, L.P.; RA Capital Nexus Fund IV, L.P.; Kolchinsky Peter; Shah Rajeev M. | Director, 10% owner | Conversion of derivative | 3,607,846 | — | — | Form 4 |
| 2026-05-04 | MARAGANORE JOHN | Director | Conversion of derivative (derivative) | 817 | $0.00 | $0 | Form 4 |
| 2026-05-04 | MARAGANORE JOHN | Director | Conversion of derivative (derivative) | 817 | $0.00 | $0 | Form 4 |
| 2026-05-04 | MARAGANORE JOHN | Director | Conversion of derivative | 17,974 | — | — | Form 4 |
| 2026-05-04 | MARAGANORE JOHN | Director | Conversion of derivative | 17,974 | — | — | Form 4 |
| 2026-04-30 | Behrndt-Eriksen Mads Nikolaj | Officer (See Remarks) | Grant / award / vesting (derivative) | 49,016 | $0.00 | $0 | Form 4 |
| 2026-04-30 | Madigan Catherine | Officer (Chief Medical Officer) | Grant / award / vesting (derivative) | 49,016 | $0.00 | $0 | Form 4 |
| 2026-01-29 | Behrndt-Eriksen Mads Nikolaj | Officer (See Remarks) | Grant / award / vesting (derivative) | 195,206 | $0.00 | $0 | Form 4 |
| 2026-01-29 | Madigan Catherine | Officer (Chief Medical Officer) | Grant / award / vesting (derivative) | 145,134 | $0.00 | $0 | Form 4 |
| 2026-01-29 | MARAGANORE JOHN | Director | Grant / award / vesting (derivative) | 107,338 | $0.00 | $0 | Form 4 |
Ask the chat about COAG's insider activity →
Transaction types are the SEC Form 4 codes: open-market purchases (P) and sales (S) are the only rows that reflect open-market conviction. Awards/vesting (A), option exercises (M/X/C), shares withheld for taxes (F) and gifts (G) are compensation or mechanical, not buying or selling on the open market. Sales may be planned and non-discretionary (e.g. a Rule 10b5-1 plan); open-market buying is not a recommendation to buy. Informational only — not financial advice.
Source: SEC EDGAR Form 3/4/5. See the full company profile: Hemab Therapeutics Holdings, Inc. (COAG).
Last updated 2026-06-16 (most recent filing date).
Informational only — NOT financial advice. Insider filings are sourced from SEC EDGAR and shown with their reported dates.