Horan Christopher has filed 12 insider transactions across 1 company since September 2024.
Most recent transaction: a sale of 7002 shares of Artiva Biotherapeutics, Inc. ($ARTV) on May 19, 2026.
Activity breakdown: 0 open-market purchases and 1 sale.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 19, 2026 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | S | Common Stock | 7002 | $9.01 | 293,450.0000 | 24,544,904 | 2.33% | 0.03% |
| Feb. 15, 2026 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | A | Common Stock | 117300 | $0.00 | 302,639.0000 | 24,544,904 | 63.29% | 0.48% |
| Feb. 15, 2026 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | F | Common Stock | 2187 | $4.00 | 300,452.0000 | 24,544,904 | 0.72% | 0.01% |
| Dec. 12, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | D | Employee Stock Option (Right to Buy) | 77519 | $0.00 | 0.0000 | 24,544,904 | 100.00% | 0.32% |
| Dec. 12, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | A | Common Stock | 107156 | $0.00 | 185,339.0000 | 24,544,904 | 137.06% | 0.44% |
| Dec. 12, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | D | Employee Stock Option (Right to Buy) | 9119 | $0.00 | 0.0000 | 24,544,904 | 100.00% | 0.04% |
| Dec. 12, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | D | Employee Stock Option (Right to Buy) | 20519 | $0.00 | 0.0000 | 24,544,904 | 100.00% | 0.08% |
| Nov. 15, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | F | Common Stock | 1899 | $3.25 | 78,183.0000 | 24,544,904 | 2.37% | 0.01% |
| Aug. 15, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | F | Common Stock | 3577 | $2.75 | 80,082.0000 | 24,363,119 | 4.28% | 0.01% |
| May 15, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | F | Common Stock | 1341 | $2.13 | 83,659.0000 | 24,363,119 | 1.58% | 0.01% |
| Feb. 26, 2025 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | A | Common Stock | 60000 | $0.00 | 85,000.0000 | 0 | 240.00% | 0.00% |
| Sept. 12, 2024 | Artiva Biotherapeutics, Inc. | $ARTV | Horan Christopher | Chief Tech Operations Officer | A | Common Stock | 25000 | $0.00 | 25,000.0000 | 0 | 9999.99% | 0.00% |