Artiva Biotherapeutics, Inc. (ARTV) Insider Trading
Over the last 3 months, ARTV insiders made 4 open-market buys and 5 sales, a net purchase of $91.0M (SEC Form 4). Over the last 6 months, 12 institutions increased and 27 reduced their position (13F).
Insider Activity
Sentiment
99/100
Buys (3m)
4
Sells (3m)
5
Net (3m)
$91.0M
Insiders buying
Insider trades by month Buys Sells
Jul
Aug
Oct
Nov
Dec
May
Context3-month price +33.8%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 28, 2026 | GC Corp.10 percent owner | Buy | 1,085,069 | $11.52 |
| May 28, 2026 | GC Corp.10 percent owner | Buy | 347,222 | $11.52 |
| May 19, 2026 | Aslan Freddirector, officer: Chief Executive Officer | Sell | 27,116 | $9.01 |
| May 19, 2026 | Miralles Gines Diegoofficer: President & Head of R&D | Grant | 77,500 | — |
| May 19, 2026 | Miralles Gines Diegoofficer: President & Head of R&D | Grant | 232,500 | $9.22 |
| May 19, 2026 | Raymon Heatherofficer: SVP, Research and Development | Sell | 3,095 | $9.01 |
| May 19, 2026 | Horan Christopherofficer: Chief Tech Operations Officer | Sell | 7,002 | $9.01 |
| May 19, 2026 | Bush Jenniferofficer: COO, CLO, Compliance Officer | Sell | 8,790 | $9.01 |
| May 19, 2026 | Banerjee Subhashisofficer: Chief Medical Officer | Sell | 7,037 | $9.01 |
| May 13, 2026 | RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: | Buy | 6,510,416 | $11.52 |
| May 13, 2026 | RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: | Buy | 2,170,138 | $0.00 |
| Mar 10, 2026 | Huston Thad Allenofficer: Chief Financial Officer | Grant | 220,000 | — |
| Feb 19, 2026 | Sorg Elaine K.director | Grant | 27,500 | $4.15 |
| Feb 18, 2026 | Aslan Freddirector, officer: President and CEO | Tax | 14,600 | $4.00 |
| Feb 18, 2026 | Aslan Freddirector, officer: President and CEO | Grant | 366,850 | — |
| Feb 18, 2026 | Banerjee Subhashisofficer: Chief Medical Officer | Grant | 102,000 | — |
| Feb 18, 2026 | Bush Jenniferofficer: COO, CLO, Secy, Compliance Off | Tax | 3,515 | $4.00 |
| Feb 18, 2026 | Bush Jenniferofficer: COO, CLO, Secy, Compliance Off | Grant | 117,300 | — |
| Feb 18, 2026 | Horan Christopherofficer: Chief Tech Operations Officer | Grant | 117,300 | — |
| Feb 18, 2026 | Raymon Heatherofficer: SVP, Research and Development | Tax | 1,521 | $4.00 |
| Feb 18, 2026 | Raymon Heatherofficer: SVP, Research and Development | Grant | 46,000 | — |
| Feb 18, 2026 | Horan Christopherofficer: Chief Tech Operations Officer | Tax | 2,187 | $4.00 |
| Dec 15, 2025 | Aslan Freddirector, officer: President and CEO | Sell | 3,187 | $6.00 |
| Dec 12, 2025 | Aslan Freddirector, officer: President and CEO | Grant | 869,136 | — |
| Dec 12, 2025 | Raymon Heatherofficer: SVP, Research and Development | Grant | 67,253 | — |
| Dec 12, 2025 | Horan Christopherofficer: Chief Tech Operations Officer | Grant | 107,156 | — |
| Dec 12, 2025 | Bush Jenniferofficer: COO, CLO, Secy, Compliance Off | Grant | 84,877 | — |
| Nov 17, 2025 | Bush Jenniferofficer: COO, CLO, Secy, Compliance Off | Tax | 3,055 | $3.25 |
| Nov 17, 2025 | Aslan Freddirector, officer: President and CEO | Tax | 6,347 | $3.25 |
| Nov 17, 2025 | Aslan Freddirector, officer: President and CEO | Sell | 6,375 | $3.38 |
Source: ARTV SEC Form 4 filings, latest May 28, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ARTV positions over the last 6 months (SEC Form 13F).
Increased
12
New positions
14
Reduced
27
Sold out
16
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | Unchanged | 9.9M | Feb 17, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Unchanged | 9.9M | May 15, 2026 |
| 5AM VENTURE MANAGEMENT, LLC | Unchanged | 2.4M | May 15, 2026 |
| 5AM VENTURE MANAGEMENT, LLC | Unchanged | 2.4M | Feb 17, 2026 |
| VR ADVISER, LLC | Unchanged | 1.6M | May 15, 2026 |
| VR ADVISER, LLC | Unchanged | 1.6M | Feb 17, 2026 |
| VENBIO PARTNERS LLC | Reduced | 649K | Feb 17, 2026 |
| VENBIO PARTNERS LLC | Reduced | 531K | May 15, 2026 |
| FRANKLIN RESOURCES INC | Unchanged | 520K | Feb 11, 2026 |
| FRANKLIN RESOURCES INC | Unchanged | 520K | May 13, 2026 |
| REVELATION CAPITAL MANAGEMENT, LLC | New Position | 299K | Feb 17, 2026 |
| REVELATION CAPITAL MANAGEMENT, LLC | Unchanged | 299K | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 246K | Jan 29, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 217K | Feb 17, 2026 |
| BLACKROCK, INC. | Increased | 213K | May 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.