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OMEROS CORP — 424B5 Filings

28 424B5 filings on record

This page lists all 424B5 filings submitted to the SEC by OMEROS CORP (OMER), sorted by most recent first. Each row links to the full filing on EdgarLookup. OMEROS CORP has filed 28 424B5 documents with the SEC since 2004. To view all SEC filings by OMEROS CORP, see the full filings list.

Overview All Filings Financials Insiders
All 10-K 10-K/A 10-Q 144 3 305B2 4 4/A 424B3 424B4 424B5 8-A12B 8-K 8-K/A ARS AW CERTNAS CORRESP CT ORDER D DEF 14A DEFA14A EFFECT FWP NO ACT POS AM POSASR REGDEX REGDEX/A RW S-1 S-1/A S-3 S-3ASR S-8 SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
424B5 0001552781-25-000420 Nov 14, 2025
424B5 424B3 0001104659-25-070553 Jul 25, 2025
424B5 424B5 0001104659-22-120013 Nov 18, 2022
424B5 424B5 0001047469-21-000474 Mar 1, 2021
424B5 424B5 0001047469-20-004574 Aug 13, 2020
424B5 424B5 0001047469-20-004572 Aug 13, 2020
424B5 424B5 0001047469-20-004476 Aug 10, 2020
424B5 424B5 0001047469-20-004475 Aug 10, 2020
424B5 424B5 0001047469-19-006722 Dec 6, 2019
424B5 424B5 0001047469-19-006643 Dec 4, 2019
424B5 424B5 0001193125-17-259981 Aug 16, 2017
424B5 424B5 0001193125-17-257325 Aug 14, 2017
424B5 424B5 0001193125-16-681910 Aug 15, 2016
424B5 424B5 0001193125-16-678154 Aug 10, 2016
424B5 424B5 0001193125-16-678046 Aug 10, 2016
424B5 424B5 0001193125-16-552147 Apr 22, 2016
424B5 424B5 0001193125-16-505200 Mar 15, 2016
424B5 424B5 0001193125-16-422577 Jan 6, 2016
424B5 424B5 0001193125-15-027577 Jan 30, 2015
424B5 424B5 0001193125-15-023566 Jan 28, 2015
424B5 424B5 0001193125-14-102291 Mar 17, 2014
424B5 424B5 0001193125-14-097787 Mar 13, 2014
424B5 424B5 0001193125-14-097769 Mar 13, 2014
424B5 FILED PURSUANT TO RULE 424(B)(5) 0001193125-13-212376 May 10, 2013
424B5 FILED PURSUANT TO RULE 424(B)(5) 0001193125-12-503539 Dec 14, 2012
424B5 FILED PURSUANT TO RULE 424(B)(5) 0001193125-12-286748 Jun 28, 2012
424B5 FORM 424B5 0001193125-12-283771 Jun 26, 2012
424B5 FILED PURSUANT TO RULE 424(B)(5) 0001193125-11-134347 May 10, 2011