Omeros (OMER) SEC Filings & 10K Form $4.12 -0.15 (-3.51%) Closing price 08/14/2025 04:00 PM EasternExtended Trading$4.09 -0.03 (-0.83%) As of 08:45 AM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share SEC Filings Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Recent Omeros SEC Filings All Filing Types 1 10 10-D 10-K 10-M 10-Q 11-K 12b-25 13F 13H 144 15 15F 17-H 18 18-K 19b-4(e) 19b-4 19b-7 1-A 1-E 1-K 1-N 1-SA 1-U 1-Z 20-F 24F-2 25 2-E 3 4 40-F 5 6-K 7-M 8-A 8-K 8-M 9-M ABS DD-15E ABS-15G ABS-EE ADV ADV-E ADV-H ADV-NR ADV-W ATS ATS-R BD BD-N BDW C CA-1 CB CFPORTAL D F-1 F-10 F-3 F-4 F-6 F-7 F-8 F-80 F-N F-X ID MA MA-I MA-NR MA-W MSD MSDW n/a N-14 N-17D-1 N-17f-1 N-17f-2 N-18f-1 N-1A N-2 N-23c-3 N-27D-1 N-3 N-4 N-5 N-54A N-54C N-6 N-6EI-1 N-6F N-8A N-8B-2 N-8B-4 N-8F N-CR N-CSR N-MFP N-PX N-Q NRSRO N-SAR PF PILOT R31 S-1 S-11 S-20 S-3 S-4 S-6 S-8 SBSE SBSE-A SBSE-BD SBSE-C SBSE-W SCI SD SDR SE SF-1 SF-3 SIP T-1 T-2 T-3 T-4 T-6 TA-1 TA-2 TA-W TCR TH WB-APP X-17A-19 X-17A-5 Part I X-17A-5 Part II X-17A-5 Part IIA X-17A-5 Part IIB X-17A-5 Part III X-17A-5 Schedule I X-17F-1A Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel DateFilerForm TypeView08/14/20253:09 PMOmeros (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 07/25/20257:07 AMOmeros (Filer)Form 424B507/25/20257:10 AMOmeros (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 07/01/20254:29 PMCancelmo Peter B (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:32 PMDemopulos Gregory A MD (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:07 PMBumol Thomas F. (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:11 PMCable Thomas J. (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:14 PMDemopulos Peter A MD (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:17 PMHANISH ARNOLD C (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:20 PMHood Leroy E. MD PhD (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:23 PMOmeros (Issuer)Perkinson Diana T. (Reporting)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:25 PMOmeros (Issuer)Shah Rajiv (Reporting)Form 4Statement of changes in beneficial ownership of securities 07/01/20254:27 PMBorges David J. (Reporting)Omeros (Issuer)Form 4Statement of changes in beneficial ownership of securities 05/30/20253:37 PMOmeros (Filer)Form DEF 14A05/30/20253:38 PMOmeros (Filer)Form ARS02/21/20254:42 PMINGALLS & SNYDER LLC (Filed by)Omeros (Subject)Form SCHEDULE 13G/A02/20/20258:15 AMOmeros (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 01/16/20258:25 AMOmeros (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 12/19/20248:20 AMOmeros (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 11/13/20243:06 PMOmeros (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 11/13/20243:08 PMOmeros (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) (Data available from 1/1/2016 forward) Related Companies and Tools Related Companies NKTR 10K Form ASMB 10K Form CPIX 10K Form LLY 10K Form JNJ 10K Form ABBV 10K Form MRK 10K Form PFE 10K Form BMY 10K Form ZTS 10K Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NASDAQ:OMER) was last updated on 8/15/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. 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