Omeros Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGM:OMER Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
17 Nov 23	BuyUS$25,200	Gregory Demopulos	Individual		15,000	US$1.68
15 Nov 23	BuyUS$15,300	Peter Demopulos	Individual		10,000	US$1.53

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of OMER?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	8,069	0.0139%
Individual Insiders	6,224,016	10.7%
Institutions	25,058,459	43.2%
General Public	26,652,151	46%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 50.5% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
9.84%	Gregory Demopulos	5,704,061	US$21.4m	181%	no data
7.85%	Ingalls & Snyder, LLC	4,546,762	US$17.1m	-2.09%	0.73%
7.39%	BlackRock, Inc.	4,279,836	US$16.1m	6.32%	no data
5.47%	The Vanguard Group, Inc.	3,168,936	US$11.9m	0.83%	no data
3.26%	Stifel Asset Management Corp.	1,890,674	US$7.1m	-6.77%	0.01%
2.58%	D. E. Shaw & Co., L.P.	1,492,303	US$5.6m	9.61%	0.01%
2.31%	Geode Capital Management, LLC	1,338,713	US$5.0m	4.36%	no data
2.07%	State Street Global Advisors, Inc.	1,200,928	US$4.5m	3.32%	no data
1.15%	Corient Private Wealth LLC	663,663	US$2.5m	-3.38%	no data
0.97%	BMO Asset Management Corp.	563,096	US$2.1m	-0.04%	no data
0.96%	Northern Trust Global Investments	559,052	US$2.1m	2.38%	no data
0.88%	Royal Bank of Canada, Banking & Securities Investments	508,940	US$1.9m	-75.2%	no data
0.85%	UBS Asset Management AG	494,546	US$1.9m	-16.3%	no data
0.81%	Charles Schwab Investment Management, Inc.	469,174	US$1.8m	0%	no data
0.66%	Nomura Holdings Inc, Securities & Investment Arm	383,144	US$1.4m	-14%	0.01%
0.64%	Peter Demopulos	372,898	US$1.4m	2.76%	no data
0.48%	Morgan Stanley, Investment Banking and Brokerage Investments	277,945	US$1.0m	29.8%	no data
0.4%	Group One Trading LP, Asset Management Arm	230,853	US$868.0k	4.13%	0.03%
0.35%	BNY Mellon Asset Management	202,314	US$760.7k	-0.2%	no data
0.32%	Bridgeway Capital Management, LLC	186,300	US$700.5k	70.6%	0.01%
0.3%	First Trust Advisors LP	172,755	US$649.6k	2.45%	no data
0.28%	Ancora Advisors LLC	163,023	US$613.0k	-22.4%	0.01%
0.27%	Bank of America Corporation, Asset Management Arm	155,912	US$586.2k	6.37%	no data
0.2%	Barclays PLC Private Banking & Investment Banking Investment	118,467	US$445.4k	160%	no data
0.2%	Columbia Management Investment Advisers, LLC	116,716	US$438.8k	0%	no data