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 Lamadrid12.48%7,837,500$5.28MInsider
Avenir Corp8.33%5,230,099$3.53MInstitution
Guillermina Vega Montiel7.95%4,993,984$3.37MInsider
Margie Chassman7.63%4,795,000$3.23MInsider
Robert Shipley4.73%2,972,819$2.00MInsider
Njtc Investment Fund LP4.07%2,554,999$1.72MInsider
Vanguard Group Inc3.51%2,204,294$1.49MInstitution
Skylands Capital LLC2.95%1,854,515$1.25MInstitution
Neuberger Berman Group LLC2.59%1,625,640$1.10MInstitution
Phillip P. Chan2.36%1,482,963$999.52kInsider

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CTSO vs Medical Device Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CTSO26.85%45.21%Net Buying
ICCM0.72%0.00%
ELUT28.64%71.36%Net BuyingNet Buying
ARAY64.48%35.52%Net BuyingNet Buying
NMTC24.64%6.57%Net BuyingNet Buying

Cytosorbents Stock Ownership FAQ

Who owns Cytosorbents?

Cytosorbents (NASDAQ: CTSO) is owned by 26.85% institutional shareholders, 45.21% Cytosorbents insiders, and 27.94% retail investors. David Lamadrid is the largest individual Cytosorbents shareholder, owning 7.84M shares representing 12.48% of the company. David Lamadrid's Cytosorbents shares are currently valued at $5.45M.

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