Alan D. Sobel - 08 Aug 2025 Form 4 Insider Report for Cytosorbents Corp (CTSO)

Role
Director
Signature
/s/ Peter J. Mariani attorney-in-fact Alan D. Sobel
Issuer symbol
CTSO
Transactions as of
08 Aug 2025
Net transactions value
$0
Form type
4
Filing time
08 Aug 2025, 19:33:14 UTC
Previous filing
26 Feb 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Sobel Alan D. Director C/O CYTOSORBENTS CORPORATION, 305 COLLEGE ROAD EAST, PRINCETON /s/ Peter J. Mariani attorney-in-fact Alan D. Sobel 08 Aug 2025 0001639386

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding CTSO Common Stock 145,757 08 Aug 2025 Direct F1
holding CTSO Common Stock 2,000 08 Aug 2025 Bernard Sobel Revocable Trust F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CTSO Stock Option (Right to Buy) Award $0 +22,000 $0.000000 22,000 08 Aug 2025 Common Stock 22,000 $1.00 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes (i) the following restricted stock units ("RSUs") that will be settled into Common Stock upon vesting upon a "Change in Control" of the Company, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the "Plan"): (a) 3,300 RSUs granted on March 15, 2018, (b) 6,000 RSUs granted on February 24, 2017, (c) 5,000 RSUs granted on June 7, 2016, and (d) 55,000 RSUs granted on April 8, 2015 and (ii) 76,457 shares of Common Stock owned directly by the Reporting Person.
F2 These shares are held in the Bernard Sobel Revocable Trust (the "Trust"), for which the Reporting Person is a trustee and a named beneficiary. Accordingly, the Reporting Person may be deemed the beneficial owner of the shares held in the Trust.
F3 The stock options were granted pursuant to the Plan. The shares underlying the stock options will vest in four (4) equal quarterly installments over a period of one year following the date of grant, subject to the reporting person's continued service as of the applicable vesting date.

Remarks:

Exhibit 24.1 Power of Attorney