Christopher Horan
Officer at Artiva Biotherapeutics ARTV
Full history from EDGAR: holdings now, every transaction and Form 144 planned sales
Every trade, with what the company filed around it
Open-market buys and sales as each Form 4 states them, newest first.
How these figures work
Notes on each row are as each Form 4 states them, next to SEC Tracker's own records of the company's filings and other insiders' buys. Holding after is what the filing reports they held after the trade, with the change in their holding.
| Date | Company | Trade | Value | Holding after | Notes |
|---|---|---|---|---|---|
| Nov 2, 2026 | Artiva Biotherapeutics ARTV | Sold 10,423 sh at $4.18 The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026. | $44K | 302,321 −3% | The filing does not mark this sale as under a Rule 10b5-1 plan. 6 days after the company's 8-K filed Oct 27, 2026. |
| Nov 15, 2025 | Artiva Biotherapeutics ARTV | Tax withholding 1,899 sh at $3.25 3 days after the company's 10-Q filed Nov 12, 2025. | $6K | 78,183 | 3 days after the company's 10-Q filed Nov 12, 2025. |
Open-market trades are Form 4 transaction codes P (purchase) and S (sale). Planned sales are those the filing marks as made under a Rule 10b5-1 plan. A P-code buy at the offering price within a day of the company's FWP, 424B prospectus or offering 8-K is marked Bought in the offering and left out of open-market buy counts and cluster buys. Prices and values are as stated in each Form 4. Stock prices aren't shown on this page. Not investment advice.