NASDAQ: OMER
Omeros Corp Stock Ownership - Who owns Omeros?

Insider buying vs selling

Have Omeros Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Peter B. CancelmoCLO;VP2026-08-3125,000$2.94
$73.50kBuy
Peter B. CancelmoCLO;VP2026-08-3125,000$18.54
$463.55kSell
Peter B. CancelmoCLO;VP2026-08-2825,000$2.94
$73.50kBuy
Peter B. CancelmoCLO;VP2026-08-2825,000$18.65
$466.13kSell
Arnold C. HanishDirector2026-08-275,000$18.88
$94.38kSell
Arnold C. HanishDirector2026-08-277,500$14.66
$109.95kBuy
Arnold C. HanishDirector2026-08-272,500$15.81
$39.53kBuy
Arnold C. HanishDirector2026-08-275,000$19.02
$95.08kSell
Arnold C. HanishDirector2026-08-265,000$15.81
$79.05kBuy
Arnold C. HanishDirector2026-08-265,000$18.53
$92.63kSell

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Net Insider Buy/Sell (L12M) Ownership

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OMER Shareholders

What type of owners hold Omeros Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Gregory A. Md Demopulos2.76%1,995,774$34.85MInsider
Peter A. Md Demopulos0.74%537,280$9.38MInsider
Joseph L. Schocken0.73%528,082$9.22MInsider
Jeanphilippe Tripet0.68%493,102$8.61MInsider
Ray Aspiri0.31%227,178$3.97MInsider
Marcia S. Kelbon0.29%210,645$3.68MInsider
Leroy E. Md Phd Hood0.10%74,390$1.30MInsider
Thomas J. Cable0.05%35,067$612.27kInsider
Arnold C. Hanish0.03%22,400$391.10kInsider
Michael A. Jacobsen0.02%14,000$244.44kInsider

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OMER vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
OMER0.05%5.73%Net BuyingNet Buying
AKTS0.06%57.57%Net BuyingNet Buying
SPTX0.07%74.84%Net BuyingNet Buying
REPL0.10%44.82%Net SellingNet Selling
MGTX0.08%50.23%Net SellingNet Selling

Omeros Stock Ownership FAQ

Who owns Omeros?

Omeros (NASDAQ: OMER) is owned by 0.05% institutional shareholders, 5.73% Omeros insiders, and 94.22% retail investors. Gregory A. Md Demopulos is the largest individual Omeros shareholder, owning 2.00M shares representing 2.76% of the company. Gregory A. Md Demopulos's Omeros shares are currently valued at $34.27M.

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