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Cytosorbents Corp

CTSO Net buying

CIK 0001175151 #5012 in the set updated 17 Sep 2026

Bought (120 mo)

$1.25M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$3.28M

$0.00 on a plan · $3.28M straight out of an exercise

Sold at will

$0.00

0 of 37 sales

Net

−$2.02M

+$1.25M against sales at will

By person

11 insiders · 133 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Capponi Vincent

President and COO

$67.30K (9)

$1.32M (14) scheduled

−$1.26M

40,387

0.0643%

$242.73K

—

BLOCH KATHLEEN P.

Chief Financial Officer

$210.51K (16)

$1.08M (15) scheduled

−$869.75K

621,941

0.9897%

$3.74M

+434.1%

Kraus Al

Director

$9.80K (1)

$477.87K (3) scheduled

−$468.08K

142,046

0.2260%

$853.70K

+22.7%

Chan Phillip P.

Chief Executive Officer

$645.03K (19)

$395.27K (5) scheduled

+$249.76K

100,996

0.1607%

$606.99K

—

MARIANI PETER J

Chief Financial Officer

$91.27K (4)

—

+$91.27K

638,113

1.02%

$3.84M

—

BATOR MICHAEL G.

Director

$89.89K (11)

—

+$89.89K

151,273

0.2407%

$909.15K

+140.1%

Sobel Alan D.

Director

$65.43K (6)

—

+$65.43K

9,887

0.0157%

$59.42K

—

Deliargyris Efthymios

Chief Medical Officer

$30.00K (1)

—

+$30.00K

473,025

0.7527%

$2.84M

—

Jones Edward Raymond

Director

$23.74K (4)

—

+$23.74K

88,834

0.1414%

$533.89K

+41.0%

Kim Jiny

Director

$11.91K (2)

—

+$11.91K

77,819

0.1238%

$467.69K

—

Mortensen Eric R.

Chief Medical Officer

$10.10K (1)

—

+$10.10K

148,932

0.2370%

$895.08K

+64.4%

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 201

Amendments (4/A) skipped 1

Filings about a different issuer 0

Unreadable filings 0

Joint filings 0

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 37

Sales at will 0

Transactions with no price 0

Shares from compensation/vesting 3,890,418

History held since 7 Dec 2016