Form 4 for KLRS Kalaris Therapeutics, Inc.

Accepted 2026-02-17 00:00:00 ET · period of report 2025-12-18 · accession 0001231919-26-000166 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
I	2026-02-17	2025-12-18	KLRS	Samsara Opportunity Fund, L.P.	10%	P - Purchase	$10.42	+479.8K	1.98M	+32%	+$5.00M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-12-18	P	A	479,847	$10.42	1,979,847	I By Samsara Opportunity Fund, L.P.	—	—	(F2) Represents the number of shares held as of the date of this filing, including the shares purchased by Samsara Opportunity Fund, L.P. ("Samsara Opportunity Fund") on December 22, 2025, as reported in the reporting persons' Form 4 filed with the SEC on December 22, 2025 (the "Prior Report"). The Prior Report is deemed amended hereby. (F3) Securities are directly held by Samsara Opportunity Fund. Samsara Opportunity Fund GP, LLC ("Samsara Opportunity GP") is the general partner of Samsara Opportunity Fund and may be deemed to beneficially own the securities held by Samsara Opportunity Fund. The Reporting Person has voting and investment power over the shares held by Samsara Opportunity Fund and, accordingly, may be deemed to beneficially own the shares held by Samsara Opportunity Fund. The Reporting Person disclaims beneficial ownership in these securities except to the extent of his pecuniary interest therein.