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)

10 transactions

5 buys · 5 sales · 0 awards/exercises

Issuer Cluster

5 13D/G filings on this issuer

4 other filings besides this one

Filer Track Record

22 filings by this filer

21 other filings in the data moat

Short Interest · settle 2026-07-31

DTC 5.13

1,921,843 shares short · +11.5% vs prior

Institutional Consensus · 2026-06-30

Held by elite portfolio managers

1 holder · $25.26M

Viking Global

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-07-13	RA CAPITAL MANAGEMENT, L.P.	director, 10%+ owner	Buy	6,552	$8.94	$59K
2026-07-10	RA CAPITAL MANAGEMENT, L.P.	director, 10%+ owner	Buy	15,102	$8.97	$135K
2026-06-11	RA CAPITAL MANAGEMENT, L.P.	director, 10%+ owner	Buy	548,580	$7.91	$4.34M
2026-06-10	RA CAPITAL MANAGEMENT, L.P.	director, 10%+ owner	Buy	103	$7.00	$721
2026-06-09	RA CAPITAL MANAGEMENT, L.P.	director, 10%+ owner	Buy	479,039	$6.91	$3.31M
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
2026-07-23	SCHEDULE 13D/A	RA CAPITAL MANAGEMENT, L.P.	—	18,415,956	view →
2026-06-15	SCHEDULE 13D/A	RA CAPITAL MANAGEMENT, L.P.	36.60%	17,811,623	view →
2026-05-28	SCHEDULE 13D/A	GC Corp.	12.30%	5,999,703	view →
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
2026-07-10	SCHEDULE 13D/A	BridgeBio Pharma, Inc. BBIO	5.00%	9,792,219	view →
2026-06-12	SCHEDULE 13D	STANDARD BIOTOOLS INC. LAB	15.00%	58,651,170	view →
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	Urovant Sciences Ltd.	—	—	view →
2019-07-12	SC	Axovant Gene Therapies 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 →

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