SCHEDULE 13G Filed 2026-05-18 Event — SEC 0000905148-26-002511 →

VIKING GLOBAL INVESTORS LP → Artiva Biotherapeutics, Inc. ARTV

Stake: — Shares: — Class: Common Stock, $0.0001 par value per share

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

5 transactions

0 buys · 5 sales · 0 awards/exercises

Issuer Cluster

2 13D/G filings on this issuer

1 other filing besides this one

Filer Track Record

20 filings by this filer

19 other filings in the data moat

Short Interest · settle 2026-04-30

DTC 1.00

229,817 shares short · +54.8% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-05-19	Raymon Heather	officer	Sale	3,095	$9.01	$28K
2026-05-19	Horan Christopher	officer	Sale	7,002	$9.01	$63K
2026-05-19	Bush Jennifer	officer	Sale	8,790	$9.01	$79K
2026-05-19	Banerjee Subhashis	officer	Sale	7,037	$9.01	$63K
2026-05-19	Aslan Fred	director, officer	Sale	27,116	$9.01	$244K

Other 13D/G Filings on Artiva Biotherapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2026-05-13	SCHEDULE 13D/A	RA CAPITAL MANAGEMENT, L.P.	—	16,377,468	view →

Other Filings by VIKING GLOBAL INVESTORS LP

Filed	Form	Issuer	Stake	Shares
2026-04-02	SCHEDULE 13D/A	BridgeBio Pharma, Inc. BBIO	6.10%	11,842,434	view →
2025-07-01	SCHEDULE	BridgeBio Pharma, Inc. BBIO	9.80%	18,602,920	view →
2025-01-31	SCHEDULE	BridgeBio Pharma, Inc. BBIO	11.70%	22,055,375	view →
2023-11-07	SC	Cazoo Group Ltd	—	—	view →
2023-09-22	SC	Cazoo Group Ltd	—	—	view →
2023-07-20	SC	BridgeBio Pharma, Inc. BBIO	—	—	view →
2023-04-27	SC	Cazoo Group Ltd	—	—	view →
2023-02-27	SC	Cazoo Group Ltd	—	—	view →
2022-03-04	SC	Ginkgo Bioworks Holdings, Inc. DNABW	—	—	view →
2021-10-01	SC	Ginkgo Bioworks Holdings, Inc. DNABW	—	—	view →
2019-07-12	SC	Arbutus Biopharma Corp ABUS	—	—	view →
2019-07-12	SC	Axovant Gene Therapies Ltd.	—	—	view →
2019-07-12	SC	Urovant Sciences Ltd.	—	—	view →
2019-07-12	SC	Myovant Sciences Ltd.	—	—	view →
2019-03-19	SC	Axovant Sciences Ltd.	—	—	view →
2019-01-03	SC	Axovant Sciences Ltd.	—	—	view →
2019-01-03	SC	Urovant Sciences Ltd.	—	—	view →
2019-01-03	SC	Arbutus Biopharma Corp ABUS	—	—	view →
2018-01-16	SC	Arbutus Biopharma Corp ABUS	—	—	view →

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