SCHEDULE Filed 2025-11-24 Event 2025-11-20 SEC 0001699737-25-000025 →

Samsara BioCapital, L.P. → Nkarta, Inc. NKTX

Stake: 4.90% Shares: 3,507,666 CUSIP: 65487U108 Class: Common Stock, $0.0001 par value per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 18/100 · Filer 90d Win Rate: 25% · Hist. 90d Edge: +4.3%

Filer track record (6 filings): 25% 90d win rate, +4.3% 90d edge
Held by 1 tracked 13F institutional manager
8 NPORT-P mutual funds holding CUSIP
Moderate short days-to-cover (4.9 DTC)

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)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

8 filings by this filer

7 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 4.86

3,423,724 shares short · -6.5% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $102K

Point72 Asset Mgmt

Post-Filing Returns · since 2025-11-20 on NKTX

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 3.38 on closest trading day on/after 2025-11-20. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Nkarta, Inc.

Filed	Form	Filer	Stake	Shares
2026-05-19	SCHEDULE 13D/A	New Enterprise Associates 15, L.P.	—	3,568,781	view →
2021-11-22	SC	Novo Holdings A/S	—	—	view →

Other Filings by Samsara BioCapital, L.P.

Filed	Form	Issuer	Stake	Shares
2026-09-15	SCHEDULE 13G	PMV Pharmaceuticals, Inc.	—	—	view →
2026-05-28	SCHEDULE 13D/A	RANI THERAPEUTICS HOLDINGS, INC. RANI	—	5,661,481	view →
2026-05-22	SCHEDULE 13D/A	KALARIS THERAPEUTICS, INC. KLRS	54.20%	10,657,028	view →
2026-01-13	SCHEDULE	ALUMIS INC. ALMS	5.40%	6,345,219	view →
2025-09-03	SCHEDULE	vTv Therapeutics Inc. VTVT	9.90%	343,223	view →
2025-03-17	SCHEDULE	Mineralys Therapeutics, Inc. MLYS	9.10%	5,736,305	view →
2024-10-07	SC	Scholar Rock Holding Corp SRRK	—	—	view →

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