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RA Capital Healthcare Fund LP's Form 4 filing

Artiva Biotherapeutics, Inc. (ARTV) · filed May 13, 2026

Accession no.
0001231919-26-000491
Filed
May 13, 2026, 5:45 PM ET
Trade date
May 11, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 1 non-derivative transaction and 1 derivative transaction. Open-market purchases total $75.0M. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
RA Capital Healthcare Fund LPCIK 0001315082Director, 10% Owner
Ra Capital Management, L.P.CIK 0001346824Director, 10% Owner
Kolchinsky PeterCIK 0001384859Director, 10% Owner
Shah Rajeev M.CIK 0001619841Director, 10% Owner
RA Capital Nexus Fund, L.P.CIK 0001780117Director
RA Capital Nexus Fund III, L.P.CIK 0001883840Director

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
May 11, 2026Common StockPPurchaseAcquired+6,510,416$11.52+$74,999,992.3215,203,995Indirect

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
May 11, 2026Common StockPPurchaseAcquired+2,170,138$11.52+$24,999,772.752,170,138Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

No transaction price on this filing refers to a footnote.

Remarks

Laura Stoppel, a Principal of the Adviser, serves on the Issuer's board of directors

Read the full filing on SEC EDGAR (opens in a new tab)