Horan Christopher (CIK 1736819) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Sell ARTV (7,002 shares), Buy ARTV (117,300 shares), Sell ARTV (2,187 shares), Buy ARTV (107,156 shares), Sell ARTV (1,899 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Sell | 7,002 | $63,073 |
| 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 |
| 2025-02-28 | Artiva Biotherapeutics, Inc. (ARTV) | Chief Tech Operations Officer | Buy | 60,000 | $0 |
Source: SEC Form 4 filings · as of 2026-05-19