Omeros Corporation (OMER)
Nasdaq: OMER · Pharmaceutical Preparations · Seattle, WA · filing with the SEC since 2004
Filings
241 filings since 2017 beside 177 insider forms · Non-accelerated filer and smaller reporting company · read from EDGAR on Nov 13, 2026Due nextNon-accelerated filer and smaller reporting company
10-Q
Quarterly report for the quarter ending Sep 30, 2026Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end.
by Nov 14, 2026
10-K
Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends.
by Mar 31, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 43 days after the quarter ended. The proxy statement was last filed Apr 30, 2026.
Filings a yearinsider forms included
4745375139293654
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Oct 30, 2026.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Dec 1, 2025
8-K items 1.02, 2.01, 8.01, 9.01
Major agreement ended; Purchase or sale of a business completed; Other event · Current report
Nov 25, 2025
Oct 15, 2025
8-K items 1.01, 8.01, 9.01
Major agreement signed; Other event · Current report
Oct 10, 2025
May 16, 2025
8-K/A item 9.01
Financial statements and exhibits · Current report, amended
May 12, 2025
May 15, 2025
8-K items 1.01, 2.02, 2.03, 3.02, 8.01, 9.01
Major agreement signed; Results released; New debt or obligation taken on; Shares sold without registration; Other event · Current report
May 12, 2025
40 of 241 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.