0001950047-23-000872.txt : 20230522 0001950047-23-000872.hdr.sgml : 20230522 20230522173126 ACCESSION NUMBER: 0001950047-23-000872 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230522 DATE AS OF CHANGE: 20230522 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: OMEROS CORP CENTRAL INDEX KEY: 0001285819 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 911663741 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-34475 FILM NUMBER: 23945785 BUSINESS ADDRESS: STREET 1: 201 ELLIOTT AVENUE WEST CITY: SEATTLE STATE: WA ZIP: 98119 BUSINESS PHONE: 206-676-5000 MAIL ADDRESS: STREET 1: 201 ELLIOTT AVENUE WEST CITY: SEATTLE STATE: WA ZIP: 98119 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: HANISH ARNOLD C CENTRAL INDEX KEY: 0001233253 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 201 ELLIOTT AVENUE WEST CITY: SEATTLE STATE: WA ZIP: 98119 144 1 primary_doc.xml 144 0001233253 XXXXXXXX LIVE 0001285819 OMEROS CORPORATION 001-34475 201 Elliott Avenue West Seattle WA 98119 206-676-5000 ARNOLD HANISH Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

5000 32294.50 62828765 05/22/2023 NASD common 05/22/2023 Exercise of options under a registered plan Issuer N 5000 05/22/2023 Cash Y 05/22/2023 /s/ Arnold C Hanish