16 insiders reported 167 Form 4 transactions for Artiva Biotherapeutics, Inc. (ARTV) over the past 18 months (most recent 2026-08-19). Recent activity: Banerjee Subhashis (Chief Medical Officer) Buy 429 shares, Banerjee Subhashis (Chief Medical Officer) Sell 429 shares, RA CAPITAL MANAGEMENT, L.P. (Director) Buy 24,944 shares, RA Capital Nexus Fund, L.P. (Director) Buy 20,824 shares, Shah Rajeev M. (Director) Buy 20,824 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-19 | Banerjee Subhashis | Chief Medical Officer | Buy | 429 | $824 |
| 2026-08-19 | Banerjee Subhashis | Chief Medical Officer | Sell | 429 | $5,148 |
| 2026-07-31 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 24,944 | $247,694 |
| 2026-07-31 | RA Capital Nexus Fund, L.P. | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | Shah Rajeev M. | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | Kolchinsky Peter | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | RA Capital Healthcare Fund LP | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | RA Capital Nexus Fund III, L.P. | Director | Buy | 24,944 | $247,694 |
| 2026-07-31 | RA Capital Nexus Fund, L.P. | Director | Buy | 24,944 | $247,694 |
| 2026-07-31 | Shah Rajeev M. | Director | Buy | 24,944 | $247,694 |
| 2026-07-31 | Kolchinsky Peter | Director | Buy | 24,944 | $247,694 |
| 2026-07-31 | RA Capital Nexus Fund III, L.P. | Director | Buy | 20,824 | $208,032 |
| 2026-07-31 | RA Capital Healthcare Fund LP | Director | Buy | 24,944 | $247,694 |
| 2026-07-28 | RA Capital Healthcare Fund LP | Director | Buy | 41,319 | $412,777 |
| 2026-07-28 | RA Capital Nexus Fund III, L.P. | Director | Buy | 41,319 | $412,777 |
| 2026-07-28 | RA Capital Nexus Fund, L.P. | Director | Buy | 41,319 | $412,777 |
| 2026-07-28 | Shah Rajeev M. | Director | Buy | 41,319 | $412,777 |
| 2026-07-28 | Kolchinsky Peter | Director | Buy | 41,319 | $412,777 |
| 2026-07-28 | RA CAPITAL MANAGEMENT, L.P. | Director | Buy | 41,319 | $412,777 |
| 2026-07-23 | RA Capital Nexus Fund, L.P. | Director | Buy | 120,582 | $1.2M |
| 2026-07-23 | RA Capital Nexus Fund, L.P. | Director | Buy | 6,522 | $58,307 |
| 2026-07-23 | Shah Rajeev M. | Director | Buy | 120,582 | $1.2M |
| 2026-07-23 | Shah Rajeev M. | Director | Buy | 6,522 | $58,307 |
| 2026-07-23 | RA Capital Nexus Fund III, L.P. | Director | Buy | 120,582 | $1.2M |
Source: SEC Form 4 filings · as of 2026-08-19