ARTV: ARTIVA BIOTHERAPEUTICS, INC. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 5 sales totaling $726K in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-06 | Aslan Fred | CEO | $169K | yes |
| 2026-10-05 | Horan Christopher | Officer | $71K | |
| 2026-10-05 | Bush Jennifer | Officer | $57K | |
| 2026-10-05 | Banerjee Subhashis | Officer | $8K | |
| 2026-10-05 | Aslan Fred | CEO | $422K |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | Fell below 5% | Venrock Healthcare Capital Partners III, L.P. | 4.20% | SEC | |
| 2026-08-10 | Fell below 5% | 5AM Ventures VI, L.P. | 4.80% | SEC |
Institutional ownership (Q2 2026)
72 institutions reported holding $394.32M of ARTIVA BIOTHERAPEUTICS, INC. on Form 13F (40 the quarter before). 39 opened a new position and 7 sold out. Shares held by institutions: +142%.
| Largest holders | Shares | Value |
|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 17,955,642 | $174.17M |
| VIKING GLOBAL INVESTORS LP | 2,604,166 | $25.26M |
| Blackstone Inc. | 2,403,437 | $23.31M |
| 5AM Venture Management, LLC | 2,353,304 | $22.83M |
| Venrock Adviser, LLC | 2,043,596 | $19.82M |
| FRANKLIN RESOURCES INC | 1,997,223 | $19.37M |
| Caligan Partners LP | 1,736,111 | $16.84M |
| VANGUARD CAPITAL MANAGEMENT LLC | 981,815 | $9.52M |
| SAMSARA BIOCAPITAL, LLC | 954,861 | $9.26M |
| Blue Owl Capital Holdings LP | 874,542 | $8.48M |
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