NASDAQ: CTSO
Cytosorbents Corp Stock Ownership - Who owns Cytosorbents?

Insider buying vs selling

Have Cytosorbents Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Phillip P. ChanChief Executive Officer2025-11-18100,000$0.64
$64.00kBuy

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Net Insider Buy/Sell (L12M) Ownership

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CTSO Shareholders

What type of owners hold Cytosorbents Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
David Lamadrid12.50%7,837,500$4.78MInsider
Avenir Corp8.34%5,230,099$3.19MInstitution
Guillermina Vega Montiel7.96%4,993,984$3.05MInsider
Margie Chassman7.65%4,795,000$2.92MInsider
Robert Shipley4.74%2,972,819$1.81MInsider
Njtc Investment Fund LP4.07%2,554,999$1.56MInsider
Vanguard Group Inc3.52%2,204,294$1.34MInstitution
Skylands Capital LLC2.96%1,854,515$1.13MInstitution
Neuberger Berman Group LLC2.59%1,625,640$991.64kInstitution
Phillip P. Chan2.37%1,482,963$904.61kInsider

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CTSO vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTSO26.89%45.29%Net Buying
NMTC78.21%21.79%Net BuyingNet Buying
NSYS1.83%98.17%Net Buying
ELUT28.64%71.36%Net BuyingNet Selling
MYO36.72%11.68%Net BuyingNet Buying

Cytosorbents Stock Ownership FAQ

Who owns Cytosorbents?

Cytosorbents (NASDAQ: CTSO) is owned by 26.89% institutional shareholders, 45.29% Cytosorbents insiders, and 27.82% retail investors. David Lamadrid is the largest individual Cytosorbents shareholder, owning 7.84M shares representing 12.50% of the company. David Lamadrid's Cytosorbents shares are currently valued at $4.77M.

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