Form4insider filings, from the source

Company · CIK 0001817241 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq

Artiva Biotherapeutics, Inc. · ARTV

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $1.2M · 5net −$1.2M
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 AForm 4 →Sep 15, 4:44 pm EDTFred AslanChief Executive Officer, Director110,000——1,604,765—
Sep 10, 2026 AForm 4 →Sep 14, 8:07 pm EDTFred AslanChief Executive Officer, Director45,000——1,494,765—
Sep 9, 2026 AForm 4 →Sep 11, 6:37 pm EDTGines Diego MirallesPresident & Head of R&D45,000——122,500—
Sep 9, 2026 AForm 4 →Sep 11, 6:36 pm EDTChristopher HoranChief Tech Operations Officer40,000——323,084—
Sep 9, 2026 AForm 4 →Sep 11, 6:36 pm EDTJennifer BushCOO, CLO, Compliance Officer45,000——374,529—
Sep 9, 2026 AForm 4 →Sep 11, 6:35 pm EDTSubhashis BanerjeeChief Medical Officer30,000——170,947—
Sep 8, 2026 SForm 4 →Sep 9, 4:02 pm EDTFred AslanChief Executive Officer, Director23,429$10.92$255,7461,449,765−1.59%10b5-1
Sep 3, 2026 SForm 4 →Sep 4, 4:04 pm EDTChristopher HoranChief Tech Operations Officer10,366$11.16$115,638283,084−3.53%
Sep 3, 2026 SForm 4 →Sep 4, 4:03 pm EDTJennifer BushCOO, CLO, Compliance Officer8,391$11.16$93,606329,529−2.48%
Sep 3, 2026 SForm 4 →Sep 4, 4:03 pm EDTSubhashis BanerjeeChief Medical Officer1,100$11.16$12,271140,947−0.77%
Sep 3, 2026 SForm 4 →Sep 4, 4:02 pm EDTFred AslanChief Executive Officer, Director61,888$11.16$690,3921,473,194−4.03%

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 AForm 4 →Sep 15, 4:44 pm EDTFred AslanChief Executive Officer, Director315,000——315,000—
Sep 10, 2026 AForm 4 →Sep 14, 8:07 pm EDTFred AslanChief Executive Officer, Director155,000——155,000—
Sep 10, 2026 AForm 4 →Sep 14, 6:46 pm EDTRA CAPITAL MANAGEMENT, L.P. +5Director, 10% Owner16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:05 pm EDTLaura StoppelDirector16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:04 pm EDTElaine K. SorgDirector16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:04 pm EDTElizabeth L HougenDirector16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:03 pm EDTBrian DanielsDirector16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:03 pm EDTDaniel G. BakerDirector16,250——16,250—
Sep 10, 2026 AForm 4 →Sep 14, 4:02 pm EDTAlison MooreDirector16,250——16,250—
Sep 9, 2026 AForm 4 →Sep 11, 6:37 pm EDTGines Diego MirallesPresident & Head of R&D135,000——135,000—
Sep 9, 2026 AForm 4 →Sep 11, 6:36 pm EDTChristopher HoranChief Tech Operations Officer120,000——120,000—
Sep 9, 2026 AForm 4 →Sep 11, 6:36 pm EDTJennifer BushCOO, CLO, Compliance Officer135,000——135,000—
Sep 9, 2026 AForm 4 →Sep 11, 6:35 pm EDTSubhashis BanerjeeChief Medical Officer85,000——85,000—
Sep 8, 2026 AForm 4 →Sep 8, 6:29 pm EDTRA CAPITAL MANAGEMENT, L.P. +5Director, 10% Owner13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:58 pm EDTLaura StoppelDirector13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:57 pm EDTElaine K. SorgDirector13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:56 pm EDTElizabeth L HougenDirector13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:56 pm EDTBrian DanielsDirector13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:55 pm EDTDaniel G. BakerDirector13,750——13,750—
Sep 8, 2026 AForm 4 →Sep 8, 5:55 pm EDTAlison MooreDirector13,750——13,750—