RTW INVESTMENTS, LP

Holdings History for Kalaris Therapeutics, Inc. - Common Stock, $0.0001 par value per share (KLRS)

Symbol: KLRS on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Shares Owned: 1,300,000 shares
Security Ownership %: 5.7%

Shares, Excluding Options vs Price

Value, Excluding Options

RTW Investments, LP ownership in Kalaris Therapeutics, Inc. Common Stock, $0.0001 par value per share (KLRS)

17 Feb 2026 - RTW Investments, LP has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,300,000 shares of Kalaris Therapeutics, Inc. Common Stock, $0.0001 par value per share (KLRS). This represents 5.7% ownership of the company. This is the first filing by RTW INVESTMENTS, LP disclosing ownership of Kalaris Therapeutics, Inc. Common Stock, $0.0001 par value per share (KLRS).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
RTW Investments, LP	5.7%		$12,714,000	1,300,000			$9.78	13G	31 Dec 2025	17 Feb 2026, 08:37

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025		0.11%	+0.11%	$10,972,000	1,300,000	+1,300,000	NEW	$8.44	Q4 2025

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.