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SCHEDULE 13D/A Filed 2026-05-22 Event 2026-05-20 SEC 0001699737-26-000012 →

Samsara BioCapital, L.P. KALARIS THERAPEUTICS, INC. KLRS

Stake: Shares: 10,657,028 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)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
2 13D/G filings on this issuer
1 other filing besides this one
Filer Track Record
6 filings by this filer
5 other filings in the data moat
Short Interest · settle 2026-04-30
DTC 8.86
805,754 shares short · -4.4% vs prior

Other 13D/G Filings on KALARIS THERAPEUTICS, INC.

FiledFormFilerStakeShares
2022-08-05 SC ElevateBio, LLC view →

Other Filings by Samsara BioCapital, L.P.

FiledFormIssuerStakeShares
2026-01-13 SCHEDULE ALUMIS INC. ALMS 5.40% 6,345,219 view →
2025-11-24 SCHEDULE Nkarta, Inc. NKTX 4.90% 3,507,666 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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