CTSO

SEC source: 0001144204-18-042169 · tv500216_4.xml · nonDerivative · entry 3

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 340,368

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-042396 · tv500351_4.xml · derivative · entry 6

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 10,000 shares

Expires 2023-04-04

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017 (the "Trading Plan").

F4 · derivative.exercise_date: These options became exercisable upon the achievement of certain milestones connected to the Company's operations, as determined by the Company's Board of Directors.

SEC source: 0001144204-18-042396 · tv500351_4.xml · nonDerivative · entry 4

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,004

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017 (the "Trading Plan").

F5 · price: The reporting person received an additional $0.599 per share pursuant to the terms of the Trading Plan.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon a "Change In Control" of CytoSorbents Corporation (the "Company"), as defined in the 2014 Long-Term Incentive Plan (the "Plan"): (a) 15,700 RSUs granted on February 24, 2017, (b) 47,000 RSUs granted on June 7, 2016, (c) 110,000 RSUs granted on April 8, 2015, and (d) 8,800 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 10,938 of the RSUs granted to the reporting person on February 24, 2017 and unvested as of the date hereof, and (b) 23,134 RSUs granted on February 28, 2018 and unvested as of the date hereof and (iii) 34,432 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-042396 · tv500351_4.xml · nonDerivative · entry 3

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,604

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017 (the "Trading Plan").

SEC source: 0001144204-18-042396 · tv500351_4.xml · nonDerivative · entry 2

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,804

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017 (the "Trading Plan").

SEC source: 0001144204-18-042396 · tv500351_4.xml · nonDerivative · entry 1

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,004

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017 (the "Trading Plan").

SEC source: 0001144204-18-042169 · tv500216_4.xml · derivative · entry 5

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,465

Underlying: Common Stock · 2,835 shares

Expires 2020-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · derivative.exercise_date: These stock options vested at the discretion of the Company's Board of Directors based on satisfying certain criteria including a timely completion of the sepsis trial, raising capital for the Company, and partnering and business development. The options did not vest on May 5, 2010.

SEC source: 0001144204-18-042169 · tv500216_4.xml · nonDerivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 332,768

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-042169 · tv500216_4.xml · nonDerivative · entry 1

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 335,603

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-034653 · tv496714_4.xml · derivative · entry 9

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 40,000 shares

Expires 2018-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001144204-18-034653 · tv496714_4.xml · derivative · entry 8

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,300

Underlying: Common Stock · 8,633 shares

Expires 2020-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · derivative.exercise_date: These stock options vested at the discretion of the Company's Board of Directors based on satisfying certain criteria including a timely completion of the sepsis trial, raising capital for the Company, and partnering and business development. The options did not vest on May 5, 2010.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 6

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 332,768

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon vesting upon a "Change In Control" of the Company: (a) 17,900 RSUs granted on February 24, 2017, (b) 54,000 RSUs granted on June 7, 2016, (c) 125,000 RSUs granted on April 8, 2015 and (d) 10,100 RSUs granted on March 15, 2018 and reported on this Form 4, (ii) the following RSUs 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) 11,980 of the RSUs granted to the reporting person on February 24, 2017 and unvested as of the date hereof, and (b) 25,334 RSUs granted on February 28, 2018 and unvested as of the date hereof and (iii) 88,454 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 5

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,983

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 3

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 367,983

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 327,983

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-034653 · tv496714_4.xml · derivative · entry 7

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,933

Underlying: Common Stock · 11,367 shares

Expires 2020-05-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F3 · derivative.exercise_date: These stock options vested at the discretion of the Company's Board of Directors based on satisfying certain criteria including a timely completion of the sepsis trial, raising capital for the Company, and partnering and business development. The options did not vest on May 5, 2010.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 4

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 356,616

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-034653 · tv496714_4.xml · nonDerivative · entry 1

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 319,350

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-034157 · tv496464_4.xml · derivative · entry 2

Chan Phillip P. · CIK 0001442786 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,000 shares

Expires 2018-06-21

SEC source: 0001144204-18-034157 · tv496464_4.xml · nonDerivative · entry 1

Chan Phillip P. · CIK 0001442786 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 461,281

F1 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon vesting upon a "Change In Control," as defined in the Plan: (a) 18,700 RSUs granted on February 24, 2017, (b) 57,000 RSUs granted on June 7, 2016, (c) 130,000 RSUs granted on April 8, 2015, and (d) 10,300 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 13,542 RSUs granted on February 24, 2017 which are unvested as of the date hereof, and (b) 28,667 RSUs granted on February 28, 2018 which are unvested as of the date hereof and (iii) 180,072 shares of common stock owned by the reporting person.

SEC source: 0001144204-19-008362 · tv513835_5.xml · derivative · entry 3

Jones Edward Raymond · CIK 0001396246 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,800 shares

Expires 2018-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001144204-19-008362 · tv513835_5.xml · nonDerivative · entry 1

Jones Edward Raymond · CIK 0001396246 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,600

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: Includes (a) the following restricted stock units subject to vesting upon a "Change in Control" of CytoSorbents Corporation, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan: (i) 3,300 restricted stock units granted on March 15, 2018, (ii) 6,000 restricted stock units granted on February 24, 2017, (iii) 5,000 restricted stock units granted on June 7, 2016, and (iv) 55,000 restricted stock units granted on April 8, 2015, and (b) 5,500 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029785 · tv494618_4.xml · derivative · entry 6

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,000

Underlying: Common Stock · 20,000 shares

Expires 2018-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029785 · tv494618_4.xml · derivative · entry 5

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,000 shares

Expires 2019-01-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029785 · tv494618_4.xml · nonDerivative · entry 4

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,551

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon vesting upon a "Change In Control" of the Company: (a) 17,900 RSUs granted on February 24, 2017, (b) 54,000 RSUs granted on June 7, 2016, (c) 125,000 RSUs granted on April 8, 2015 and (d) 10,100 RSUs granted on March 15, 2018 and reported on this Form 4, (ii) the following RSUs 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) 11,980 of the RSUs granted to the reporting person on February 24, 2017 and unvested as of the date hereof, (b) 7,667 of the RSUs granted on June 7, 2016 and unvested as of the date hereof and (c) 38,000 RSUs granted on February 28, 2018 and (iii) 52,904 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029785 · tv494618_4.xml · nonDerivative · entry 3

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 337,551

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029785 · tv494618_4.xml · nonDerivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 345,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029785 · tv494618_4.xml · nonDerivative · entry 1

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 325,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029352 · tv494430_4.xml · derivative · entry 4

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,400 shares

Expires 2026-06-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-029352 · tv494430_4.xml · nonDerivative · entry 2

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,304

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon a "Change In Control" of CytoSorbents Corporation (the "Company"), as defined in the 2014 Long-Term Incentive Plan (the "Plan"): (a) 15,700 RSUs granted on February 24, 2017, (b) 47,000 RSUs granted on June 7, 2016, (c) 110,000 RSUs granted on April 8, 2015, and (d) 8,800 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 10,938 of the RSUs granted to the reporting person on February 24, 2017 and unvested, (b) 7,000 of the RSUs granted on June 7, 2016 and unvested, and (c) 23,134 RSUs granted on February 28, 2018 and unvested and (iii) 30,732 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029352 · tv494430_4.xml · nonDerivative · entry 1

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,704

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-029783 · tv494617_4.xml · derivative · entry 3

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,000

Underlying: Common Stock · 4,846 shares

Expires 2018-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029783 · tv494617_4.xml · nonDerivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,551

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon vesting upon a "Change In Control" of the Company: (a) 17,900 RSUs granted on February 24, 2017, (b) 54,000 RSUs granted on June 7, 2016, (c) 125,000 RSUs granted on April 8, 2015 and (d) 10,100 RSUs granted on March 15, 2018 and reported on this Form 4, (ii) the following RSUs 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) 11,980 of the RSUs granted to the reporting person on February 24, 2017 and unvested as of the date hereof, (b) 7,667 of the RSUs granted on June 7, 2016 and unvested as of the date hereof and (c) 38,000 RSUs granted on February 28, 2018 and (iii) 52,904 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029783 · tv494617_4.xml · nonDerivative · entry 1

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 322,397

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029351 · tv494429_4.xml · derivative · entry 4

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,400

Underlying: Common Stock · 12,400 shares

Expires 2026-06-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-029351 · tv494429_4.xml · nonDerivative · entry 2

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,304

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon a "Change In Control" of CytoSorbents Corporation (the "Company"), as defined in the 2014 Long-Term Incentive Plan (the "Plan"): (a) 15,700 RSUs granted on February 24, 2017, (b) 47,000 RSUs granted on June 7, 2016, (c) 110,000 RSUs granted on April 8, 2015, and (d) 8,800 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 10,938 of the RSUs granted to the reporting person on February 24, 2017 and unvested, (b) 7,000 of the RSUs granted on June 7, 2016 and unvested, and (c) 23,134 RSUs granted on February 28, 2018 and unvested and (iii) 30,732 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029351 · tv494429_4.xml · nonDerivative · entry 1

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,704

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-029453 · tv494475_4.xml · derivative · entry 6

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,846

Underlying: Common Stock · 3,154 shares

Expires 2018-06-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029453 · tv494475_4.xml · derivative · entry 5

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,000

Underlying: Common Stock · 4,000 shares

Expires 2019-01-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029453 · tv494475_4.xml · nonDerivative · entry 4

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 317,551

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon vesting upon a "Change In Control" of the Company: (a) 17,900 RSUs granted on February 24, 2017, (b) 54,000 RSUs granted on June 7, 2016, (c) 125,000 RSUs granted on April 8, 2015 and (d) 10,100 RSUs granted on March 15, 2018 and reported on this Form 4, (ii) the following RSUs 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) 11,980 of the RSUs granted to the reporting person on February 24, 2017 and unvested as of the date hereof, (b) 7,667 of the RSUs granted on June 7, 2016 and unvested as of the date hereof and (c) 38,000 RSUs granted on February 28, 2018 and (iii) 52,904 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029453 · tv494475_4.xml · nonDerivative · entry 3

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 320,705

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029453 · tv494475_4.xml · nonDerivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,705

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029453 · tv494475_4.xml · nonDerivative · entry 1

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 321,551

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Stock option exercise and open market sale conducted pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001144204-18-029163 · tv494361_4.xml · derivative · entry 4

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,000 shares

Expires 2023-05-29

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-029163 · tv494361_4.xml · nonDerivative · entry 2

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,304

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon a "Change In Control" of CytoSorbents Corporation (the "Company"), as defined in the 2014 Long-Term Incentive Plan (the "Plan"): (a) 15,700 RSUs granted on February 24, 2017, (b) 47,000 RSUs granted on June 7, 2016, (c) 110,000 RSUs granted on April 8, 2015, and (d) 8,800 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 10,938 of the RSUs granted to the reporting person on February 24, 2017 and unvested, (b) 7,000 of the RSUs granted on June 7, 2016 and unvested,and (c) 23,134 RSUs granted on February 28, 2018 and unvested and (iii) 30,732 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-029163 · tv494361_4.xml · nonDerivative · entry 1

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,304

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-021234 · tv491396_4.xml · derivative · entry 4

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,800

Underlying: Common Stock · 120 shares

Expires 2026-06-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-021234 · tv491396_4.xml · nonDerivative · entry 2

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,304

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

F2 · balance_after: Includes (i) the following RSUs that will be settled into common stock upon a "Change In Control" of CytoSorbents Corporation (the "Company"), as defined in the 2014 Long-Term Incentive Plan (the "Plan"): (a) 15,700 RSUs granted on February 24, 2017, (b) 47,000 RSUs granted on June 7, 2016, (c) 110,000 RSUs granted on April 8, 2015, and (d) 8,800 RSUs granted on March 15, 2018, (ii) the following RSUs 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) 10,938 of the RSUs granted to the reporting person on February 24, 2017 and unvested, (b) 7,000 of the RSUs granted on June 7, 2016 and unvested, and (c) 23,134 RSUs granted on February 28, 2018 and unvested and (iii) 30,732 shares of common stock owned by the reporting person.

SEC source: 0001144204-18-021234 · tv491396_4.xml · nonDerivative · entry 1

BLOCH KATHLEEN P. · CIK 0001409212 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,424

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2017.

SEC source: 0001144204-18-015718 · tv488964_4.xml · derivative · entry 2

Capponi Vincent · CIK 0001368151 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,350

Underlying: Common Stock · 110,350 shares

Expires 2028-03-15

F3 · derivative.exercise_date: Such options were granted pursuant to the Plan, and shall vest upon achievement of certain performance goals as determined in the discretion of the Board of Directors of the Company.