Cytosorbents Ownership

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

Recent Insider Transactions

NasdaqCM:CTSO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
13 Dec 23	BuyUS$10,000	Edward Jones	Individual	7,519	US$1.33
13 Dec 23	BuyUS$50,000	Michael Bator	Individual	37,594	US$1.33
13 Dec 23	BuyUS$100,000	Phillip Chan	Individual	75,188	US$1.33
13 Dec 23	BuyUS$10,000	Jiny Kim	Individual	7,519	US$1.33
13 Dec 23	BuyUS$50,000	Kathleen Bloch	Individual	37,594	US$1.33
13 Dec 23	BuyUS$25,000	Vincent Capponi	Individual	18,797	US$1.33
13 Dec 23	BuyUS$30,001	Efthymios Deliargyris	Individual	22,557	US$1.33
13 Dec 23	BuyUS$30,001	Alan Sobel	Individual	22,557	US$1.33
07 Aug 23	BuyUS$9,580	Michael Bator	Individual	3,000	US$3.23
25 May 23	BuyUS$9,389	Kathleen Bloch	Individual	3,300	US$2.85

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 CTSO?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	8,024	0.0148%
Hedge Funds	2,875,552	5.3%
Individual Insiders	5,544,431	10.2%
Institutions	17,467,333	32.2%
General Public	28,411,075	52.3%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 23.6%.

Top Shareholders

Top 25 shareholders own 46.13% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
7.4%	Mary Ley	4,016,323	US$3.9m	42.8%	no data
5.84%	Avenir Corporation	3,172,696	US$3.1m	3.98%	0.27%
5.61%	Granahan Investment Management, LLC	3,044,833	US$3.0m	-15.9%	0.11%
5.3%	Skylands Capital, LLC	2,875,552	US$2.8m	-11.6%	0.38%
3.59%	The Vanguard Group, Inc.	1,949,551	US$1.9m	0%	no data
3.52%	Neuberger Berman Investment Advisers LLC	1,912,566	US$1.9m	6.15%	no data
2.52%	Sargent Investment Group, LLC	1,366,319	US$1.3m	4.4%	0.29%
2.15%	Jackson National Asset Management, LLC	1,169,051	US$1.1m	0%	0.02%
1.52%	CM Management, LLC	825,000	US$808.0k	98.8%	0.68%
1.36%	Phillip Chan	739,370	US$724.1k	0%	no data
1.33%	BlackRock, Inc.	722,435	US$707.6k	-0.53%	no data
1.12%	Medical Strategy GmbH, Asset Management Arm	606,984	US$594.5k	0%	0.03%
0.84%	Victory Capital Management Inc.	457,469	US$448.0k	147%	no data
0.81%	Geode Capital Management, LLC	438,297	US$429.3k	20.1%	no data
0.54%	Kathleen Bloch	294,941	US$288.9k	19%	no data
0.52%	Vincent Capponi	281,134	US$275.3k	0%	no data
0.38%	Perinvest (UK) Ltd	205,000	US$200.8k	0%	0.18%
0.36%	Jacob Asset Management of New York LLC	197,940	US$193.9k	0%	0.21%
0.32%	CIBC Private Wealth Advisors, Inc.	172,649	US$169.1k	0%	no data
0.26%	State Street Global Advisors, Inc.	140,293	US$137.4k	-7.15%	no data
0.21%	Morgan Stanley, Investment Banking and Brokerage Investments	114,309	US$112.0k	-2.2%	no data
0.17%	Efthymios Deliargyris	93,959	US$92.0k	15.9%	no data
0.16%	Neuberger Berman Europe Limited	88,364	US$86.5k	0%	no data
0.16%	Osaic Wealth, Inc. , Asset Management Arm	87,140	US$85.3k	2.47%	no data
0.15%	Renaissance Technologies LLC	79,620	US$78.0k	-54.6%	no data