Artiva Biotherapeutics, Inc. (ARTV) Insider Trading

Over the last 3 months, ARTV insiders made 19 open-market buys and 1 sale, a net purchase of $17.7M (SEC Form 4). Over the last 6 months, 3 institutions increased and 13 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
19
Sells (3m)
1
Net (3m)
$17.7M
Insiders buying
Insider trades by month Buys Sells
Nov
Dec
May
Jun
Jul
Aug
Context3-month price +42.4%Institutions reducing (13F)
DateInsiderTypeSharesPrice
Aug 19, 2026Banerjee Subhashisofficer: Chief Medical OfficerSell429$12.00
Aug 19, 2026Banerjee Subhashisofficer: Chief Medical OfficerOption429$1.92
Jul 31, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy20,824$9.99
Jul 31, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy24,944$9.93
Jul 28, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy41,319$9.99
Jul 23, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy84,124$9.93
Jul 23, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy6,522$8.94
Jul 23, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy59,880$9.96
Jul 23, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy120,582$9.55
Jul 20, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy7,882$8.95
Jul 20, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy152,472$8.93
Jul 14, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy15,102$8.97
Jul 14, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy6,552$8.94
Jun 29, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy1,876$8.98
Jun 29, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy31,000$8.88
Jun 16, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy124,893$8.89
Jun 16, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy15,414$8.99
Jun 16, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy391,019$8.57
Jun 11, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy548,580$7.91
Jun 11, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy103$7.00
Jun 11, 2026RA CAPITAL MANAGEMENT, L.P.director, 10 percent owner: Buy479,039$6.91
May 28, 2026GC Corp.10 percent ownerBuy347,222$11.52
May 28, 2026GC Corp.10 percent ownerBuy1,085,069$11.52
May 19, 2026Miralles Gines Diegoofficer: President & Head of R&DGrant77,500—
May 19, 2026Aslan Freddirector, officer: Chief Executive OfficerSell27,116$9.01
May 19, 2026Banerjee Subhashisofficer: Chief Medical OfficerSell7,037$9.01
May 19, 2026Bush Jenniferofficer: COO, CLO, Compliance OfficerSell8,790$9.01
May 19, 2026Horan Christopherofficer: Chief Tech Operations OfficerSell7,002$9.01
May 19, 2026Raymon Heatherofficer: SVP, Research and DevelopmentSell3,095$9.01
May 19, 2026Miralles Gines Diegoofficer: President & Head of R&DGrant232,500$9.22

Source: ARTV SEC Form 4 filings, latest Aug 19, 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
3
New positions
12
Reduced
13
Sold out
40
Largest moves
InstitutionActionSharesFiled
RA CAPITAL MANAGEMENT, L.P.Unchanged9.9MMay 15, 2026
5AM VENTURE MANAGEMENT, LLCUnchanged2.4MMay 15, 2026
VR ADVISER, LLCUnchanged1.6MMay 15, 2026
VENBIO PARTNERS LLCReduced531KMay 15, 2026
FRANKLIN RESOURCES INCUnchanged520KMay 13, 2026
REVELATION CAPITAL MANAGEMENT, LLCUnchanged299KMay 15, 2026
BLACKROCK, INC.Increased213KMay 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position208KMay 15, 2026
WELLINGTON MANAGEMENT GROUP LLPUnchanged194KMay 15, 2026
PROPEL BIO MANAGEMENT, LLCNew Position146KMay 14, 2026
MILLENNIUM MANAGEMENT LLCReduced123KMay 15, 2026
TWO SIGMA INVESTMENTS, LPReduced115KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased102KMay 15, 2026
ALYESKA INVESTMENT GROUP, L.P.Unchanged100KMay 15, 2026
RENAISSANCE TECHNOLOGIES LLCReduced80KMay 14, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.

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