Subhashis Banerjee Receives Stock Award at Artiva Biotherapeutics Inc (ARTV) — SEC Form 4, Sep 11, 2026

SEC Form 4 · No Market Transaction

Stock Award

Compensation grant — no market purchase or sale.

Reporting Owner

Subhashis Banerjee

Officer

TXN 2026-09-09 · FILED 2026-09-11

Equity Position 171K sh 140,947 → 170,947

Equity Change +21.3% shares held after vs before

Filing Lag 2 business days within 2-day SEC deadline

Form 4 · Statement of Changes in Beneficial Ownership

Artiva Biotherapeutics Inc

ARTV CIK 0001817241

Reporting Owner

Name	Relationship
Subhashis Banerjee CIK 0002065633	Officer

Subhashis Banerjee at Artiva Biotherapeutics Inc Full insider history

Bought (12 mo) —

Sold (12 mo) $191,696

More from this insider at Artiva Biotherapeutics Inc

Non-Derivative Securities Transactions

Title	Date	Type	Shares	Price	Net Total	Post-Txn	Ownership
Common StockF1	2026-09-09	A - Award/Grant	30,000 A	$0.00	—	170,947	Direct

Derivative Securities Transactions

Title	Strike	Date	Type	Shares	Price	Expiration	Underlying	Ownership
Employee Stock Option (Right to Buy)F2	$10.79	2026-09-09	A - Award/Grant	85,000 A	$0.00	2036-09-08	85,000 Common Stock	Direct

Footnotes (2)

F1: Represents restricted stock unit award granted under the Issuer's 2024 Equity Incentive Plan. Show more
F2: Beginning on September 8, 2026, 1/48th of the shares subject to the option shall vest in equal monthly installments over a four-year period. Show more

Institutional Holders

Largest by reported value

5%+ Holders · 13D/G 3 filers

Latest Schedule 13D/G per filer; stakes the filer reported closed are left out.

Other insiders at Artiva Biotherapeutics Inc

GET /v1/forms/4/0001193125-26-389510 API docs