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Omeros Corporation

OMER
Healthcare|Biotechnology|US
$16.92
-0.15 (-0.88%)
Cash / Share
$1.83
Next Earnings Report
Nov 12, 2026
EPS est. $0.02 · Revenue est. $37.3M
Financing Filings (last 12 months)
2
Shelf registrations / offering prospectuses — latest Nov 14, 2025 (424B5). Possible dilution.

Upcoming Data Readouts (1)

Dec 2026
Est. completion
P2Paroxysmal Nocturnal Hemoglobinuria
Long-Term Safety, Tolerability and Efficacy of OMS906 in Paroxysmal Nocturnal Hemoglobinuria
NCT06298955n=25

Recent Press Releases

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Nov 5, 2026 · PRNewsWire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Nov 3, 2026 · GlobeNewsWire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Oct 29, 2026 · PRNewsWire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Oct 27, 2026 · GlobeNewsWire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Oct 22, 2026 · PRNewsWire
INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Omeros Corporation - OMER
Oct 20, 2026 · GlobeNewsWire
Omeros Corporation Receives CHMP Negative Opinion Following Re-Examination of European Marketing Authorization Application for Narsoplimab in TA-TMA
Oct 16, 2026 · Business Wire
Omeros Corporation Reports Second Quarter 2026 Financial Results
Aug 12, 2026 · Business Wire
Omeros Corporation to Announce Second Quarter Financial Results on August 12, 2026
Aug 10, 2026 · Business Wire

SEC Filings (48)

Last two years from EDGAR. Insider Form 4s are on the Ownership tab.

FiledFormWhat it isLinks
Oct 30, 20268-KMaterial eventDocumentIndex
Aug 13, 2026S-8Employee stock planDocumentIndex
Aug 13, 20268-KMaterial eventDocumentIndex
Aug 12, 202610-QQuarterly reportDocumentIndex
Aug 12, 20268-KMaterial eventDocumentIndex
Jul 29, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Jul 20, 20268-KMaterial eventDocumentIndex
Jul 6, 20268-KMaterial eventDocumentIndex
Jun 25, 20268-KMaterial eventDocumentIndex
Jun 18, 20268-KMaterial eventDocumentIndex
May 13, 202610-QQuarterly reportDocumentIndex
May 13, 20268-KMaterial eventDocumentIndex
Apr 30, 2026ARSAnnual report to holdersDocumentIndex
Apr 30, 2026DEF 14AProxy / shareholder voteDocumentIndex
Apr 23, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Mar 31, 202610-KAnnual reportDocumentIndex
Mar 31, 20268-KMaterial eventDocumentIndex
Mar 27, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Jan 30, 2026SC 13GPassive 5%+ stakeDocumentIndex
Jan 7, 20268-KMaterial eventDocumentIndex
Dec 29, 20258-KMaterial eventDocumentIndex
Dec 1, 20258-KMaterial eventDocumentIndex
Nov 14, 2025424B5Offering prospectusDocumentIndex
Nov 14, 2025S-3ASRShelf registrationDocumentIndex
Nov 13, 202510-QQuarterly reportDocumentIndex
Nov 13, 20258-KMaterial eventDocumentIndex
Oct 31, 2025SC 13G/APassive 5%+ stakeDocumentIndex
Oct 15, 20258-KMaterial eventDocumentIndex
Aug 14, 202510-QQuarterly reportDocumentIndex
Aug 14, 20258-KMaterial eventDocumentIndex
Jul 25, 20258-KMaterial eventDocumentIndex
Jul 25, 2025424B5Offering prospectusDocumentIndex
Jul 2, 20258-KMaterial eventDocumentIndex
May 30, 2025ARSAnnual report to holdersDocumentIndex
May 30, 2025DEF 14AProxy / shareholder voteDocumentIndex
May 16, 20258-K/AMaterial eventDocumentIndex
May 15, 202510-QQuarterly reportDocumentIndex
May 15, 20258-KMaterial eventDocumentIndex
May 6, 20258-KMaterial eventDocumentIndex
Apr 30, 202510-K/AAnnual reportDocumentIndex