RA Capital Management, L.P., 10% Owner at Hemab Therapeutics Holdings, Inc. (COAG), bought 67,669 shares at $24.89 ($1.7M) on 2026-06-15, disclosed to the SEC on 2026-06-17.
Open-market purchase of $1.7M COAG by 10% Owner. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade C.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $24.89 | 6,146 | $153K | 9.1% |
| 2 | $24.98 | 61,523 | $1.5M | 90.9% |
| Total | $24.97 avg | 67,669 | $1.7M | 100% |
| Filing → |
| ARTV | BUY | 2026-07-31 | $456K | — | Filing → |
| ARTV | BUY | 2026-07-28 | $413K | — | Filing → |
| ARTV | BUY | 2026-07-23 | $58K | — | Filing → |