Alexander Cumbo - 28 Mar 2025 Form 4 Insider Report for Climb Bio, Inc. (CLYM)

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CLYM	Stock Option (Right to Buy)	Award	$0	+80,000		$0.000000	80,000	28 Mar 2025	Common Stock	80,000	$1.28	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Id	Content
F1	The shares underlying the option vest in equal monthly installments from March 28, 2025 (the "Vesting Commencement Date") until the third anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service.