RA Capital Management, L.P., 10% Owner at Hemab Therapeutics Holdings, Inc. (COAG), bought 4,798 shares at $24.97 ($120K) on 2026-05-19, disclosed to the SEC on 2026-05-21.
Open-market purchase of $120k 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 | $24.97 | 3,802 | $95K | 79.3% |
| 2 | $24.94 | 996 | $25K | 20.7% |
| Total | $24.96 avg | 4,798 | $120K | 100% |
| Filing → |
| ARTV | BUY | 2026-07-31 | $456K | — | Filing → |
| ARTV | BUY | 2026-07-28 | $413K | — | Filing → |
| ARTV | BUY | 2026-07-23 | $58K | — | Filing → |