David J. Borges - 12 Jan 2026 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
12 Jan 2026
Net transactions value
-$659,115
Form type
4
Filing time
14 Jan 2026, 17:25:24 UTC
Previous filing
01 Jul 2025
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 14 Jan 2026 0002005787

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OMER Common stock Sale $381,600 -30,000 -100% $12.72 0 12 Jan 2026 Direct F1
transaction OMER Common stock Options Exercise $91,800 +30,000 $3.06 30,000 13 Jan 2026 Direct
transaction OMER Common stock Sale $369,315 -30,000 -100% $12.31 0 13 Jan 2026 Direct F2

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) Options Exercise $0 -30,000 -32% $0.000000 65,000 13 Jan 2026 Common Stock 30,000 $3.06 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction was executed in multiple trades at prices ranging from $12.56 to $13.06. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions referenced in this footnote were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.
F2 This transaction was executed in multiple trades at prices ranging from $12.13 to $12.62. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions referenced in this footnote were effected upon request to the SEC staff, the issuer, or a security holder of the issuer.
F3 This option vests and becomes exercisable over 48 equal monthly installments, with a vesting commencement date of April 1, 2024. Installments vest and become exercisable on each monthly anniversary thereafter.

Remarks:

The reporting person has completed all currently planned sales of Omeros Corporation's common stock.