Omeros Corporation

Last updated September 27, 2026

Organization details

Legal name
Omeros Corporation
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Washington
Headquarters city
Seattle
Headquarters state / province
Washington
Headquarters country
United States
Fiscal year end
December
Ticker symbol
OMER
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001285819
EIN
91-1663741

Board of directors

Chief executives

Gregory A. Demopulos M.D. · Chairman, CEO & President
Dates unknown

Board connections

1 of this board's directors also sit on 1 other board. 1 is in the same sector.

Network of Omeros Corporation's board connections Decoy Therapeutics Inc. Decoy Therapeutics Inc... Arnold C. Hanish Arnold C. Hanish Omeros Corporation
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$0
0 purchases by 0 insiders
Sold, last 12 months
$3,037,180
14 sales by 4 insiders
Date Insider Transaction Shares Price Value
Sep 23, 2026 Borges David J. Officer (VP, Finance & CAO) Option exercise +10,000 $15.58 $155,800
Sep 23, 2026 Borges David J. Officer (VP, Finance & CAO) Open-market sale −10,000 $20.95 $209,500
Sep 22, 2026 Borges David J. Officer (VP, Finance & CAO) Option exercise +5,000 $3.93 $19,650
Sep 22, 2026 Borges David J. Officer (VP, Finance & CAO) Option exercise +5,000 $2.94 $14,700
Sep 22, 2026 Borges David J. Officer (VP, Finance & CAO) Open-market sale −10,000 $20.95 $209,500
Aug 31, 2026 Cancelmo Peter B Officer (VP, General Counsel) Option exercise +25,000 $2.94 $73,500
Aug 31, 2026 Cancelmo Peter B Officer (VP, General Counsel) Open-market sale −25,000 $18.54 $463,500
Aug 28, 2026 Cancelmo Peter B Officer (VP, General Counsel) Option exercise +25,000 $2.94 $73,500
Aug 28, 2026 Cancelmo Peter B Officer (VP, General Counsel) Open-market sale −25,000 $18.65 $466,250
Aug 27, 2026 Arnold C. Hanish Director Option exercise +2,500 $15.81 $39,525
Aug 27, 2026 Arnold C. Hanish Director Option exercise +7,500 $14.66 $109,950
Aug 27, 2026 Arnold C. Hanish Director Open-market sale −5,000 $18.88 $94,400
Aug 27, 2026 Arnold C. Hanish Director Open-market sale −5,000 $19.02 $95,100
Aug 26, 2026 Arnold C. Hanish Director Option exercise +5,000 $15.81 $79,050
Aug 26, 2026 Arnold C. Hanish Director Open-market sale −5,000 $18.53 $92,650

Organizations in the same sector, closest in location and size first.

Questions about Omeros Corporation

Who is the CEO of Omeros Corporation?

Gregory A. Demopulos M.D. is Omeros Corporation's Chairman, CEO & President.

How many directors are on Omeros Corporation's board?

Omeros Corporation's board has 9 directors: Arnold C. Hanish, Diana T. Perkinson, Gregory A. Demopulos M.D., Joseph L. Schocken, Leroy E. Md Hood Ph.D., Peter A. Demopulos M.D., Rajiv Shah, Thomas F. Bumol and Thomas J. Cable.

Are Omeros Corporation insiders buying or selling shares?

Over the last 12 months, Omeros Corporation insiders made no open-market purchases and sold $3.0 million of shares in 14 sales on the open market, as reported to the SEC on Forms 4 and 5.

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