David J. Borges - 30 Jun 2025 Form 4 Insider Report for OMEROS CORP (OMER)

Role: VP, Finance & CAO
Signature: /s/ Peter B. Cancelmo, Attorney-in-Fact
Issuer symbol: OMER
Transactions as of: 30 Jun 2025
Net transactions value: $0
Form type: 4
Filing time: 01 Jul 2025, 17:27:22 UTC
Previous filing: 03 Jul 2024
Next filing: 14 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Borges David J.	VP, Finance & CAO	201 ELLIOTT AVENUE WEST, SEATTLE	/s/ Peter B. Cancelmo, Attorney-in-Fact	01 Jul 2025	0002005787

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	OMER	Stock Option (right to buy)	Award	$0	+95,000		$0.000000	95,000	30 Jun 2025	Common Stock	95,000	$3.20	Direct	F1

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

Explanation of Responses:

Id	Content
F1	This option shall vest and become exercisable over 48 equal monthly installments, with a vesting commencement date of April 1, 2025. Installments vest and become exercisable on each monthly anniversary thereafter.