CytoSorbents Ownership & Insider Activity

CytoSorbents (CTSO) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 32.4% of shares outstanding. Institutional investors hold 7.4%. Over the past 90 days, insiders made 4 purchases worth $120K.

Shares Outstanding

3.151M

Shares Float

2.905M

Insider Shares Owned

20.392M

Insider % Owned

32.4%

Institutional Shares Held

2.152M

Institutional % Held

7.4%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$120K total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$120K

CytoSorbents Insider Transactions (Last 6 Months)

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Date	Insider	Title	Type	Shares	Price	Value
Sep 15, 2026	Phillip P Chan	CHIEF EXECUTIVE OFFICER	BUY	3.774K	$6.00	$23K
Sep 15, 2026	Alan D Sobel	DIRECTOR	BUY	2.500K	$6.10	$15K
Sep 14, 2026	Vincent Capponi	PRESIDENT AND COO	BUY	2.073K	$6.05	$13K
Sep 4, 2026	Phillip P Chan	CHIEF EXECUTIVE OFFICER	BUY	200.000K	$0.35	$70K
Jun 15, 2026	Peter J Mariani	CHIEF FINANCIAL OFFICER	BUY	100.000K	$0.44	$44K
Jun 12, 2026	Phillip P Chan	CHIEF EXECUTIVE OFFICER	BUY	261.469K	$0.40	$105K

CytoSorbents Corp

CytoSorbents Ownership & Insider Activity

CytoSorbents Insider Transactions (Last 6 Months)

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