Updated Jul 16, 2026
Horan Christopher has filed 1 SEC Form 4 filing across 1 company in the last 90 days — selling. Lifetime open-market sales: $63K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-20 | ARTV | Artiva Biotherapeutics, Inc. | S — Open-market sale | 7.0K | $9.01 | $63K |
| 2026-02-18 | ARTV | Artiva Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 2.2K | $4.00 | $9K |
| 2026-02-18 | ARTV | Artiva Biotherapeutics, Inc. | A — Grant or award | 117.3K | $0.00 | |
| 2025-12-13 | ARTV | Artiva Biotherapeutics, Inc. | A — Grant or award | 107.2K | $0.00 | |
| 2025-11-18 | ARTV | Artiva Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 1.9K | $3.25 | $6K |
| 2025-05-15 | ARTV | Artiva Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 3.6K | $2.75 | $10K |
| 2025-05-15 | ARTV | Artiva Biotherapeutics, Inc. | F — Tax withholding / forfeiture | 1.3K | $2.13 | $3K |
Horan Christopher is a corporate insider — currently tracked as Insider of Artiva Biotherapeutics, Inc. (ARTV). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($63K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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