Horan Christopher (CIK 1736819) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-11). Recent activity: Buy ARTV (40,000 shares), Sell ARTV (10,366 shares), Sell ARTV (7,002 shares), Buy ARTV (117,300 shares), Sell ARTV (2,187 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-11 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Buy | 40,000 | $0 |
| 2026-09-04 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 10,366 | $115,638 |
| 2026-05-19 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 7,002 | $63,088 |
| 2026-02-18 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Buy | 117,300 | $0 |
| 2026-02-18 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 2,187 | $8,748 |
| 2025-12-12 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Buy | 107,156 | $0 |
| 2025-11-17 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 1,899 | $6,172 |
| 2025-08-18 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 1,341 | $2,856 |
| 2025-08-18 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 3,577 | $9,837 |
来源：SEC Form 4 申报文件 · 截至 2026-09-11