OMER earnings date, and what happened the last 4 times

Next report

Thu Nov 12

Quality Score today 6

After the close, in 16 days. Expected: the company has not confirmed it.

OMER closed higher after 3 of its last 4 reports. On average it closed +14.7% the session after a report.

The moment OMER reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after OMER's last 4 reports

OMER's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Aug 12, 20262026 · After close	12estimated	+21.4%	+26.6%	+34.1%
May 13, 20262026 · After close	11estimated	+1.1%	-7.7%	-13.9%
Mar 31, 20262026 · After close	7estimated	+7.2%	+14.4%	+9.0%
Nov 13, 20252025 · After close	4estimated	+5.7%	+25.3%	+31.1%

Aug 12, 2026, after the close: the next session OMER opened +21.4% and closed +26.6%, and five sessions on it stood +34.1%. Its Quality Score going in was 12 (Above Average), estimated.
May 13, 2026, after the close: the next session OMER opened +1.1% and closed -7.7%, and five sessions on it stood -13.9%. Its Quality Score going in was 11 (Above Average), estimated.
Mar 31, 2026, after the close: the next session OMER opened +7.2% and closed +14.4%, and five sessions on it stood +9.0%. Its Quality Score going in was 7 (Average), estimated.
Nov 13, 2025, after the close: the next session OMER opened +5.7% and closed +25.3%, and five sessions on it stood +31.1%. Its Quality Score going in was 4 (Below Average), estimated.

Across these 4 reports OMER opened higher after 4 of 4 and closed higher after 3 of 4; on average it opened +8.9%, closed +14.7%, and stood +15.1% five sessions on. Its Quality Score is 6 today, against 12 going into its Aug 12, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: +26.6% after the Aug 12, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about OMER's earnings

As of Oct 27, 2026: Omeros (OMER): expected to report Thu Nov 12, after the close. OMER closed higher after 3 of its last 4 reports. Its Quality Score is 6 (Average). Scores as of 12:12 AM ET, 15 minutes behind.

When is OMER's next earnings date?

Expected to report Thu Nov 12, after the close, a date Breakaway expects from the company's usual timing; the company has not confirmed it. OMER closed higher after 3 of its last 4 reports. Past behavior, not a forecast.

Does OMER report before or after the market?

OMER is expected to report Thu Nov 12, after the close. Its last 4 reports came after the close.

How did OMER stock react to its last earnings report?

Aug 12, 2026, after the close: the next session OMER opened +21.4% and closed +26.6%, and five sessions on it stood +34.1%.

Does OMER stock usually go up after earnings?

OMER closed higher after 3 of its last 4 reports. On average it closed +14.7% the session after a report, after opening +8.9%. Past behavior, not a forecast.

Omeros' page has its Quality Score, its chart, and its insiders' trades. Who reports this week: the earnings calendar.