RA Capital Management, L.P., 10% Owner at Hemab Therapeutics Holdings, Inc. (COAG), bought 51,258 shares at $24.34 ($1.3M) on 2026-05-07, disclosed to the SEC on 2026-05-11.
Open-market purchase of $1.3M 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 D.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $24.34 | 7,921 | $193K | 15.2% |
| 2 | $24.95 | 1,985 | $50K | 3.9% |
| 3 | $24.98 | 1,483 | $37K | 2.9% |
| 4 | $24.47 | 14,149 | $346K | 27.3% |
| 5 | $25.00 | 25,720 | $643K | 50.7% |
| Total | $24.75 avg | 51,258 |
| $1.3M |
| 100% |
| Filing → |
| ARTV | BUY | 2026-07-31 | $456K | — | Filing → |
| ARTV | BUY | 2026-07-28 | $413K | — | Filing → |
| ARTV | BUY | 2026-07-23 | $58K | — | Filing → |