Cytosorbents Corp — Director's Dealing 2017

May 17, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Cytosorbents Corp (CTSO)
CIK: 0001175151
Period of Report: 2017-05-15

Reporting Person: BLOCH KATHLEEN P. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-15	Common Stock	P	1000	$4.3406	Acquired	9000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	228638	Direct

Footnotes

F1: These shares are held by the reporting person's husband in a 401(k) account and, as such, the reporting person may be deemed the beneficial owner of such shares.

F2: Includes (i) the following restricted stock units that will be settled into common stock upon vesting upon a "Change In Control" of CytoSorbents Corporation, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan: (a) 15,700 restricted stock units granted on February 24, 2017, (b) 47,000 restricted stock units granted on June 7, 2016 and (c) 110,000 restricted stock units granted on April 8, 2015, (ii) the following restricted stock units subject to vesting as to one-third of the award on each of the date of grant, the first anniversary of the date of grant, and the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and will be settled into common stock upon vesting: (a) 32,813 restricted stock units granted on February 24, 2017 and (b) 21,000 restricted stock units granted on June 7, 2016 and (iii) 2,125 shares of common stock owned by the reporting person.