Form 4: Artiva Biotherapeutics Insider Buys Shares
Insider Transaction (Form 4)
Ra Capital Management, L.P. and 5 others reported changes in beneficial ownership of Artiva Biotherapeutics, Inc. common stock on July 21, 2026.
Summary
- Open-market purchase: acquired 120,582 Common Stock at $9.55 ($1,151,558) on July 21, 2026; holds 17,098,479 after (Indirect).
- Open-market purchase: acquired 84,124 Common Stock at $9.93 ($835,351) on July 22, 2026; holds 17,182,603 after (Indirect).
- Open-market purchase: acquired 59,880 Common Stock at $9.96 ($596,405) on July 23, 2026; holds 17,242,483 after (Indirect).
Sentiment
Score: 9
Explanation: StockSavvy.ai views this as a bullish signal: an insider made an open-market purchase of $2,583,314, committing personal capital to the stock.
Insider Transactions
Ra Capital Management, L.P. — Director, 10% owner
RA Capital Healthcare Fund LP — Director, 10% owner
RA Capital Nexus Fund, L.P. — Director
RA Capital Nexus Fund III, L.P. — Director
Peter Kolchinsky — Director, 10% owner
Rajeev M. Shah — Director, 10% owner
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-07-21 | Open-market purchase | Common Stock | 120,582 | $10 | $1.2M | 17,098,479 |
| 2026-07-22 | Open-market purchase | Common Stock | 84,124 | $10 | $835.4K | 17,182,603 |
| 2026-07-23 | Open-market purchase | Common Stock | 59,880 | $10 | $596.4K | 17,242,483 |
Key Dates
| Date | Description |
|---|---|
| 2026-07-21 | Open-market purchase (120,582 shares) |
| 2026-07-22 | Open-market purchase (84,124 shares) |
| 2026-07-23 | Open-market purchase (59,880 shares) |
Keywords
insider transaction, Form 4, ARTV, Artiva Biotherapeutics, Inc., bullish, Ra Capital Management, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund, L.P., RA Capital Nexus Fund III, L.P., Peter Kolchinsky, Rajeev M. Shah
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