RA Capital Management, L.P., Director, 10% Owner at Artiva Biotherapeutics, Inc. (ARTV), bought 264,586 shares at $9.55 ($2.6M) on 2026-07-21, disclosed to the SEC on 2026-07-23.
Open-market purchase of $2.6M ARTV by Director, 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 | $9.55 | 120,582 | $1.2M | 44.6% |
| 2 | $9.93 | 84,124 | $835K | 32.3% |
| 3 | $9.96 | 59,880 | $596K | 23.1% |
| Total | $9.76 avg | 264,586 | $2.6M | 100% |
| Filing → |
| ARTV | BUY | 2026-07-31 | $456K | — | Filing → |
| ARTV | BUY | 2026-07-28 | $413K | — | Filing → |
| ARTV | BUY | 2026-07-23 | $58K | — | Filing → |