ARTV insider buying – Artiva Biotherapeutics, Inc.
14 insider purchases since 2016 worth $249.1M by 10 different insiders. Last 12 months: 10 purchases, $109.1M. Most recent filing: 2026-07-31.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Kolchinsky Peter Director | $107.2M 3× · 9,129,245 sh | 2024-07-22 2026-07-21 | – | 17,098,479 shares as of 2026-07-23 | Holds - never sold |
| RA Capital Nexus Fund III, L.P. Director | $75.4M 2× · 6,551,735 sh | 2026-05-11 2026-07-24 | – | 17,283,802 shares as of 2026-07-28 | Holds - never sold |
| Huh Yong-Jun Director | $25.0M 1× · 2,083,332 sh | 2024-07-22 2024-07-22 | – | 3,894,430 shares as of 2024-07-22 | Holds - never sold |
| GC Corp. 10% Owner | $16.5M 1× · 1,432,291 sh | 2026-05-11 2026-05-11 | – | 5,999,703 shares as of 2026-05-28 | Holds - never sold |
| 5AM Partners VI, LLC 10% Owner | $10.0M 1× · 833,333 sh | 2024-07-22 2024-07-22 | – | 2,240,338 shares as of 2024-07-24 | Holds - never sold |
| RA Capital Nexus Fund, L.P. Director | $7.7M 1× · 1,027,722 sh | 2026-06-09 2026-06-09 | – | 16,817,543 shares as of 2026-07-23 | Holds - never sold |
| VENBIO GLOBAL STRATEGIC GP III, LTD 10% Owner | $5.0M 1× · 416,666 sh | 2024-07-22 2024-07-22 | – | 1,058,284 shares as of 2024-07-22 | Holds - never sold |
| RA Capital Healthcare Fund LP Director | $1.9M 2× · 206,122 sh | 2026-07-16 2026-07-29 | – | 17,304,626 shares as of 2026-07-31 | Holds - never sold |
| RA CAPITAL MANAGEMENT, L.P. Director | $292,126 1× · 32,876 sh | 2026-06-25 2026-06-25 | – | 16,795,919 shares as of 2026-06-29 | Holds - never sold |
| Shah Rajeev M. Director | $194,040 1× · 21,654 sh | 2026-07-10 2026-07-10 | – | 16,817,573 shares as of 2026-07-14 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 10 | $109.1M | 7 | 9 | $1.7M |
| 2025 | 0 | – | – | 2 | $222,615 |
| 2024 | 4 | $140.0M | 4 | – | – |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-31 | RA Capital Healthcare Fund LP | Director | 45,768 | $9.96 | $455,726 | +0.3% | SEC |
| 2026-07-28 | RA Capital Nexus Fund III, L.P. | Director | 41,319 | $9.99 | $412,777 | +0.2% | SEC |
| 2026-07-23 | Kolchinsky Peter | Director | 264,586 | $9.76 | $2.6M | +1.6% | SEC |
| 2026-07-20 | RA Capital Healthcare Fund LP | Director | 160,354 | $8.93 | $1.4M | +1.0% | SEC |
| 2026-07-14 | Shah Rajeev M. | Director | 21,654 | $8.96 | $194,040 | +0.1% | SEC |
| 2026-06-29 | RA CAPITAL MANAGEMENT, L.P. | Director | 32,876 | $8.89 | $292,126 | +0.2% | SEC |
| 2026-06-16 | Kolchinsky Peter | Director | 531,326 | $8.66 | $4.6M | +3.3% | SEC |
| 2026-06-11 | RA Capital Nexus Fund, L.P. | Director | 1,027,722 | $7.44 | $7.7M | +6.8% | SEC |
| 2026-05-28 | GC Corp. | 10% Owner | 1,432,291 | $11.52 | $16.5M | +48.4% | SEC |
| 2026-05-13 | RA Capital Nexus Fund III, L.P. | Director | 6,510,416 | $11.52 | $75.0M | +74.9% | SEC |
| 2024-07-24 | Kolchinsky Peter | Director | 8,333,333 | $12.00 | $100.0M | +2313.2% | SEC |
| 2024-07-24 | 5AM Partners VI, LLC | 10% Owner | 833,333 | $12.00 | $10.0M | +239.0% | SEC |
| 2024-07-22 | VENBIO GLOBAL STRATEGIC GP III, LTD | 10% Owner | 416,666 | $12.00 | $5.0M | +27.4% | SEC |
| 2024-07-22 | Huh Yong-Jun | Director | 2,083,332 | $12.00 | $25.0M | +170.3% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-09 | Aslan Fred | CEO | 23,429 | $10.92 | $255,845 | Sale | SEC |
| 2026-09-04 | Horan Christopher | Officer | 10,366 | $11.16 | $115,685 | Sale | SEC |
| 2026-09-04 | Bush Jennifer | Officer | 8,391 | $11.16 | $93,644 | Sale | SEC |
| 2026-09-04 | Aslan Fred | CEO | 61,888 | $11.16 | $690,670 | Sale | SEC |
| 2026-08-31 | Banerjee Subhashis | Officer | 8,222 | $12.01 | $98,746 | Sale | SEC |
| 2026-05-19 | Horan Christopher | Officer | 7,002 | $9.01 | $63,088 | Sale | SEC |
| 2026-05-19 | Bush Jennifer | Officer | 8,790 | $9.01 | $79,198 | Sale | SEC |
| 2026-05-19 | Banerjee Subhashis | Officer | 7,037 | $9.01 | $63,403 | Sale | SEC |
| 2026-05-19 | Aslan Fred | CEO | 27,116 | $9.01 | $244,315 | Sale | SEC |
| 2025-10-17 | Aslan Fred | CEO | 25,500 | $6.00 | $153,000 | Pre-planned (10b5-1) | SEC |
| 2025-08-18 | Aslan Fred | CEO | 25,500 | $2.73 | $69,615 | Pre-planned (10b5-1) | SEC |
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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