{"transactions":[{"id":4619869,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-09-16T21:30:30.000Z","date":"2026-09-15","kind":"purchase","planned":false,"acquired":true,"shares":3774,"price":6,"value":22644.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This transaction reported on this Form 4 reflects an open market purchase made by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of CytoSorbents Corporation (the \"Issuer\") as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 515 RSUs granted on March 15, 2018, (b) 935 RSUs granted on February 24, 2017, (c) 2,850 RSUs granted on June 7, 2016 and (d) 6,500 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (ii) 2,640 RSUs of 5,280 granted on August 8, 2025, which vest in equal parts at the first and second year anniversaries of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and (iii) 83,782 shares of Common Stock owned by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Reflects the 1-for-20 reverse stock split effected by the Issuer on September 8, 2026."}],"balance_after":100996,"source":{"system":"sec-edgar","filing":"0001104659-26-108326","document":"tm2625479-3_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442786/000110465926108326/tm2625479-3_4seq1.xml","form_type":"4"}},{"id":4613252,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-09-09T20:05:14.000Z","date":"2026-09-04","kind":"purchase","planned":false,"acquired":true,"shares":200000,"price":0.35,"value":70000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction reported on this Form 4 reflects an open market purchase made by the Reporting Person. The price reported in Column 4 is a weighted average\nprice. These shares were purchased in multiple transactions at prices ranging from $0.3470 to $0.3599, inclusive. The Reporting Person undertakes to provide to\nCytoSorbents Corporation (the \"Issuer\"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full\ninformation regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (ii) 52,800 RSUs of 105,600 granted on August 8, 2025, which vest in equal parts at the first and second year anniversaries of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and (iii) 1,475,632 shares of Common Stock owned by the Reporting Person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"The shares reported herein were not adjusted to reflect the Issuer's reverse stock split that occurred on September 8, 2026."}],"balance_after":1944432,"source":{"system":"sec-edgar","filing":"0001104659-26-106308","document":"tm2625061-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1442786/000110465926106308/tm2625061-1_4seq1.xml","form_type":"4"}},{"id":738188,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-06-15T22:24:29.000Z","date":"2026-06-15","kind":"purchase","planned":false,"acquired":true,"shares":10333,"price":0.43,"value":4443.19,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"The transaction reported on this Form 4 reflects an open market purchase made by the reporting person. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.4307 to $0.4388, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (iii) 105,600 RSUs granted on August 8, 2025, which shall vest in equal parts at the first and second year anniversaries of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and (iv) 1,422,832 shares of Common Stock owned by the Reporting Person."}],"balance_after":1744432,"source":{"system":"sec-edgar","filing":"0001104659-26-074164","document":"tm2618008-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465926074164/tm2618008-1_4seq1.xml","form_type":"4"}},{"id":738187,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2026-06-15T22:24:29.000Z","date":"2026-06-12","kind":"purchase","planned":false,"acquired":true,"shares":251136,"price":0.4,"value":100454.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction reported on this Form 4 reflects an open market purchase made by the Reporting Person. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.3885 to $0.40, inclusive. The Reporting Person undertakes to provide to CytoSorbents Corporation (the \"Issuer\"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (4) to this Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (iii) 105,600 RSUs granted on August 8, 2025, which shall vest in equal parts at the first and second year anniversaries of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and (iv) 1,422,832 shares of Common Stock owned by the Reporting Person."}],"balance_after":1734099,"source":{"system":"sec-edgar","filing":"0001104659-26-074164","document":"tm2618008-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465926074164/tm2618008-1_4seq1.xml","form_type":"4"}},{"id":992796,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-11-21T02:09:45.000Z","date":"2025-11-18","kind":"grant","planned":false,"acquired":true,"shares":100000,"price":0.64,"value":64000.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The transaction reported on this Form 4 reflects an open market purchase made by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (iii) the following RSUs, which vest in equal parts on the first year anniversary of the date of grant and the second year anniversary of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and will settle into shares of Common Stock of the Company upon vesting: 96,000 RSUs granted on April 2, 2024 and of which 48,000 remain unvested as of the date hereof;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (iv) 105,600 RSUs which shall vest in equal parts at the first and second year anniversaries of the date of grant, subject to the\nreporting person's continued service as of the applicable vesting date, and (v) 1,113,363 shares of Common Stock owned by the Reporting Person."}],"balance_after":1482963,"source":{"system":"sec-edgar","filing":"0001104659-25-114706","document":"tm2531906-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925114706/tm2531906-1_4seq1.xml","form_type":"4"}},{"id":1071560,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2025-08-08T23:40:26.000Z","date":"2025-08-08","kind":"grant","planned":false,"acquired":true,"shares":136400,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on the first year anniversary of the date of grant, one-fourth of the award on the second year anniversary of the date of grant, and one-fourth of the award on the third year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":136400,"derivative":{"exercise_price":1,"expiration_date":"2035-08-08","underlying":"Common Stock","underlying_shares":136400},"source":{"system":"sec-edgar","filing":"0001104659-25-075797","document":"tm2522995-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925075797/tm2522995-2_4seq1.xml","form_type":"4"}},{"id":1071559,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-08-08T23:40:26.000Z","date":"2025-08-08","kind":"grant","planned":false,"acquired":true,"shares":105600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest in equal parts at the first and second year anniversaries of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (iii) the following RSUs, which vest in equal parts on the first year anniversary of the date of grant and the second year anniversary of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and will settle into shares of Common Stock of the Company upon vesting: 96,000 RSUs granted on April 2, 2024 and of which 48,000 remain unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (iv) 1,013,363 shares of Common Stock owned by the Reporting Person."}],"balance_after":1382963,"source":{"system":"sec-edgar","filing":"0001104659-25-075797","document":"tm2522995-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925075797/tm2522995-2_4seq1.xml","form_type":"4"}},{"id":1243707,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Series A Right Warrants (right to buy)","published_at":"2025-02-27T00:27:36.000Z","date":"2025-02-24","kind":"other","planned":false,"acquired":false,"shares":34168,"price":1.13,"value":38609.84,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On January 17, 2025, the Reporting Person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the Reporting Person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The Series A Right Warrants exercise price was calculated as 90% of the 5-day volume weighted average price of the Issuer's Common Stock over the 5-trading days prior to the expiration date of the Series A Right Warrants, rounded down to the nearest whole cent but (x) not lower than $1.00 and (y) not higher than $2.00."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"The Reporting Person's remaining 56,664 Series A Warrants expired unexercised on February 24, 2025."}],"balance_after":0,"derivative":{"exercise_price":1.13,"exercise_date":"2025-01-17","expiration_date":"2025-02-24","underlying":"Common Stock","underlying_shares":34168},"source":{"system":"sec-edgar","filing":"0001104659-25-017619","document":"tm257709-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925017619/tm257709-1_4seq1.xml","form_type":"4"}},{"id":1243706,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-02-27T00:27:36.000Z","date":"2025-02-24","kind":"other","planned":false,"acquired":true,"shares":34168,"price":1.13,"value":38609.84,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On January 17, 2025, the Reporting Person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the Reporting Person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The Series A Right Warrants exercise price was calculated as 90% of the 5-day volume weighted average price of the Issuer's Common Stock over the 5-trading days prior to the expiration date of the Series A Right Warrants, rounded down to the nearest whole cent but (x) not lower than $1.00 and (y) not higher than $2.00."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes: (i) the following RSUs, which vest as to two-thirds of the award on the first year anniversary of the date of grant and one-third of the award on the second year anniversary of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and will settle into shares of common stock, par value $0.001 per share (the \"Common Stock\"), of the Company upon vesting: 87,000 RSUs granted on July 7, 2023 and of which 29,000 RSUs remain unvested as of the date hereof;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (ii) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"(continued from footnote 4) (iii) the following RSUs, which vest in equal parts on the first year anniversary of the date of grant and the second year anniversary of the date of grant, subject to the Reporting Person's continued service as of the applicable vesting date, and will settle into shares of Common Stock of the Company upon vesting: 96,000 RSUs granted on April 2, 2024 and remain unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"(continued from footnote 5) (iv) 936,363 shares of Common Stock owned by the Reporting Person."}],"balance_after":1277363,"source":{"system":"sec-edgar","filing":"0001104659-25-017619","document":"tm257709-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925017619/tm257709-1_4seq1.xml","form_type":"4"}},{"id":1297989,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Series B Right Warrants","published_at":"2025-01-23T01:31:03.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":true,"shares":90832,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On January 17, 2025, the reporting person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the reporting person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"The Series B Right Warrants exercise price shall be equal to 90% of the 5-day volume weighted average price of our Common Stock over the 5-trading days prior to the expiration date of the Series B Right Warrants, rounded down to the nearest whole cent but (x) not lower than $2.00 and (y) not higher than $4.00."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The Series B Right Warrants exercise price shall be equal to 90% of the 5-day volume weighted average price of our Common Stock over the 5-trading days prior to the expiration date of the Series B Right Warrants, rounded down to the nearest whole cent but (x) not lower than $2.00 and (y) not higher than $4.00."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"The Series B Right Warrants expire 90 calendar days following the Closing Date."}],"balance_after":90832,"derivative":{"exercise_date":"2025-01-17","expiration_date":"2025-04-10","underlying":"Common Stock","underlying_shares":90832},"source":{"system":"sec-edgar","filing":"0001104659-25-005353","document":"tm254168-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005353/tm254168-4_4seq1.xml","form_type":"4"}},{"id":1297988,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Series A Right Warrants","published_at":"2025-01-23T01:31:03.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":true,"shares":90832,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On January 17, 2025, the reporting person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the reporting person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F6","text":"The Series A Right Warrants exercise price shall be equal to 90% of the 5-day volume weighted average price of the Issuer's Common Stock over the 5-trading days prior to the expiration date of the Series A Right Warrants, rounded down to the nearest whole cent but (x) not lower than $1.00 and (y) not higher than $2.00."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The Series A Right Warrants exercise price shall be equal to 90% of the 5-day volume weighted average price of the Issuer's Common Stock over the 5-trading days prior to the expiration date of the Series A Right Warrants, rounded down to the nearest whole cent but (x) not lower than $1.00 and (y) not higher than $2.00."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"The Series A Right Warrants expire 45 calendar days following the Closing Date."}],"balance_after":90832,"derivative":{"exercise_date":"2025-01-17","expiration_date":"2025-02-24","underlying":"Common Stock","underlying_shares":90832},"source":{"system":"sec-edgar","filing":"0001104659-25-005353","document":"tm254168-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005353/tm254168-4_4seq1.xml","form_type":"4"}},{"id":1297987,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Subscription Rights (right to buy)","published_at":"2025-01-23T01:31:03.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":false,"shares":90832,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 17, 2025, the reporting person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the reporting person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."}],"balance_after":0,"derivative":{"exercise_price":1,"exercise_date":"2024-12-09","expiration_date":"2025-01-10","underlying":"Common Stock","underlying_shares":90832},"source":{"system":"sec-edgar","filing":"0001104659-25-005353","document":"tm254168-4_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005353/tm254168-4_4seq1.xml","form_type":"4"}},{"id":1297986,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2025-01-23T01:31:03.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":true,"shares":90832,"price":1,"value":90832.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On January 17, 2025, the reporting person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the reporting person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On January 17, 2025, the reporting person exercised certain subscription rights certificates received pursuant to a rights offering (the \"Rights Offering\") with CytoSorbents Corporation (the \"Issuer\") whereby the reporting person received Units consisting of an aggregate of 90,832 (i) shares of Issuer's common stock, par value $0.001 per share (the \"Common Stock\"), (ii) Series A Warrants to purchase one share of Common Stock, and (iii) Series B Warrants to purchase one share of Common Stock, at a subscription purchase price of $1.00 per unit for an aggregate cost of $90,832. The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following RSUs, which vest as to two-thirds of the award on the first year anniversary of the date of grant and one-third of the award on the second year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and will settle into shares of common stock, par value $0.001 per share (the \"Common Stock\"), of the Company upon vesting: 87,000 RSUs granted on July 7, 2023 and of which 29,000 RSUs remain unvested as of the date hereof;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (ii) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (iii) the following RSUs, which vest in equal parts on the first year anniversary of the date of grant and the second year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and will settle into shares of Common Stock of the Company upon vesting: 96,000 RSUs granted on April 2, 2024 and remain unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"(continued from footnote 4) (iv) 902,195 shares of Common Stock owned by the reporting person."}],"balance_after":1243195,"source":{"system":"sec-edgar","filing":"0001104659-25-005353","document":"tm254168-4_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005353/tm254168-4_4seq1.xml","form_type":"4"}},{"id":1548003,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-04-05T01:45:24.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":124000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on the first year anniversary of the date of grant, one-fourth of the award on the second year anniversary of the date of grant, and one-fourth of the award on the third year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on the first year anniversary of the date of grant, one-fourth of the award on the second year anniversary of the date of grant, and one-fourth of the award on the third year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":124000,"derivative":{"exercise_price":0.955,"expiration_date":"2034-04-02","underlying":"Common Stock","underlying_shares":124000},"source":{"system":"sec-edgar","filing":"0001104659-24-043788","document":"tm2411149-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465924043788/tm2411149-1_4seq1.xml","form_type":"4"}},{"id":1548002,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2024-04-05T01:45:24.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":96000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest in equal parts at the first and second year anniversaries of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following RSUs, which vest as to two-thirds of the award on the first year anniversary of the date of grant and one-third of the award on the second year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and will settle into shares of common stock, par value $0.001 per share (the \"Common Stock\"), of the Company upon vesting: 87,000 RSUs granted on July 7, 2023 and unvested as of the date hereof;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (ii) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Company as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (iii) the following RSUs (which vest as to one-third of the award on each of the date of grant, the first year anniversary of the date of grant, and the second year anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date) and will settle into shares of Common Stock upon vesting: 26,334 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"(continued from footnote 4) (iv) 739,370 shares of Common Stock owned by the reporting person."}],"balance_after":1164704,"source":{"system":"sec-edgar","filing":"0001104659-24-043788","document":"tm2411149-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465924043788/tm2411149-1_4seq1.xml","form_type":"4"}},{"id":1554123,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2024-04-03T01:30:40.000Z","date":"2024-03-29","kind":"grant","planned":false,"acquired":true,"shares":129998,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reporting person participated in a voluntary salary reduction for the period from April 1, 2024, to December 31, 2024, and these stock options were granted in connection with the salary reduction. These stock options were issued pursuant to the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan. The shares underlying these stock options will vest fully on January 31, 2025, except as set forth on the corresponding non-qualified stock option agreement and subject to the reporting person's continued service as of the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The reporting person participated in a voluntary salary reduction for the period from April 1, 2024, to December 31, 2024, and these stock options were granted in connection with the salary reduction. These stock options were issued pursuant to the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan. The shares underlying these stock options will vest fully on January 31, 2025, except as set forth on the corresponding non-qualified stock option agreement and subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":129998,"derivative":{"exercise_price":0.95,"expiration_date":"2034-03-29","underlying":"Common Stock","underlying_shares":129998},"source":{"system":"sec-edgar","filing":"0001104659-24-042772","document":"tm2410664-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465924042772/tm2410664-1_4seq1.xml","form_type":"4"}},{"id":1709622,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2023-12-15T21:30:43.000Z","date":"2023-12-13","kind":"purchase","planned":false,"acquired":true,"shares":26315,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These securities were purchased by the reporting person in the registered direct offering of CytoSorbents Corporation (the \"Company\"), which closed\non December 13, 2023. In the offering, each share of common stock, par value $0.001 per share (the \"Common Stock\") of the Company was purchased\ntogether with an accompanying warrant to purchase up to 0.35 shares of Common Stock, at a combined offering price of $1.33 per share of Common\nStock and accompanying warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These securities were purchased by the reporting person in the registered direct offering of CytoSorbents Corporation (the \"Company\"), which closed\non December 13, 2023. In the offering, each share of common stock, par value $0.001 per share (the \"Common Stock\") of the Company was purchased\ntogether with an accompanying warrant to purchase up to 0.35 shares of Common Stock, at a combined offering price of $1.33 per share of Common\nStock and accompanying warrant."}],"balance_after":26315,"derivative":{"exercise_price":2,"exercise_date":"2023-12-13","expiration_date":"2028-12-13","underlying":"Common Stock","underlying_shares":26315},"source":{"system":"sec-edgar","filing":"0001104659-23-126421","document":"tm2332958-1_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923126421/tm2332958-1_4seq1.xml","form_type":"4"}},{"id":1709621,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-12-15T21:30:43.000Z","date":"2023-12-13","kind":"purchase","planned":false,"acquired":true,"shares":75188,"price":1.33,"value":100000.04,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities were purchased by the reporting person in the registered direct offering of CytoSorbents Corporation (the \"Company\"), which closed\non December 13, 2023. In the offering, each share of common stock, par value $0.001 per share (the \"Common Stock\") of the Company was purchased\ntogether with an accompanying warrant to purchase up to 0.35 shares of Common Stock, at a combined offering price of $1.33 per share of Common\nStock and accompanying warrant."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These securities were purchased by the reporting person in the registered direct offering of CytoSorbents Corporation (the \"Company\"), which closed\non December 13, 2023. In the offering, each share of common stock, par value $0.001 per share (the \"Common Stock\") of the Company was purchased\ntogether with an accompanying warrant to purchase up to 0.35 shares of Common Stock, at a combined offering price of $1.33 per share of Common\nStock and accompanying warrant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following restricted stock units (\"RSUs\") (which vest as to two-thirds of the award on the first anniversary of the date of grant and onethird\nof the award on the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date)\nand will settle into shares of Common Stock upon vesting: 87,000 RSUs granted on July 7, 2023 and unvested as of the date hereof;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (ii) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the\nCompany as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on\nMarch 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8,\n2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (iii) the following RSUs (which vest as to one-third of the award on each of the date of grant, the first anniversary of the\ndate 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\nwill settle into shares of Common Stock upon vesting: 26,334 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"(continued from footnote 4) (iv) 739,370 shares of Common Stock owned by the reporting person."}],"balance_after":1068704,"source":{"system":"sec-edgar","filing":"0001104659-23-126421","document":"tm2332958-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923126421/tm2332958-1_4seq1.xml","form_type":"4"}},{"id":1831705,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-07-12T00:31:34.000Z","date":"2023-07-07","kind":"grant","planned":false,"acquired":false,"shares":48000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on each of 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."}],"balance_after":48000,"derivative":{"exercise_price":3.53,"expiration_date":"2033-07-07","underlying":"Common Stock","underlying_shares":48000},"source":{"system":"sec-edgar","filing":"0001104659-23-080105","document":"tm2321021-7_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923080105/tm2321021-7_4seq1.xml","form_type":"4"}},{"id":1831704,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-07-12T00:31:34.000Z","date":"2023-07-07","kind":"grant","planned":false,"acquired":false,"shares":112000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-half of the award on the first anniversary of the date of grant, one-fourth of the award on the second anniversary of the date of grant, and onefourth of the award on the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":112000,"derivative":{"exercise_price":3.53,"expiration_date":"2033-07-07","underlying":"Common Stock","underlying_shares":112000},"source":{"system":"sec-edgar","filing":"0001104659-23-080105","document":"tm2321021-7_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923080105/tm2321021-7_4seq1.xml","form_type":"4"}},{"id":1831703,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-07-12T00:31:34.000Z","date":"2023-07-07","kind":"grant","planned":false,"acquired":true,"shares":87000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest as to two-thirds of the award on the first anniversary of the date of grant and one-third of the award on the second anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following RSUs that will be settled into shares of the Issuer's Common Stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs: (i) 52,667 RSUs granted on August 10, 2022 and unvested as of the date hereof (which vest 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 (ii) 87,000 RSUs granted on July 7, 2023 and reported on this Form 4; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 650,881 shares of the Issuer's common stock owned by the reporting person."}],"balance_after":1006548,"source":{"system":"sec-edgar","filing":"0001104659-23-080105","document":"tm2321021-7_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923080105/tm2321021-7_4seq1.xml","form_type":"4"}},{"id":1925464,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2023-04-05T21:00:40.000Z","date":"2023-04-03","kind":"exercise","planned":false,"acquired":false,"shares":30500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These stock options were originally granted on April 4, 2013 and became exercisable at the discretion of the Board of Directors of the Company upon the achievement of certain milestones connected to the Company's operations."}],"balance_after":0,"derivative":{"exercise_price":2.875,"expiration_date":"2023-04-04","underlying":"Common Stock","underlying_shares":30500},"source":{"system":"sec-edgar","filing":"0001104659-23-042221","document":"tm2311822d1_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923042221/tm2311822d1_4.xml","form_type":"4"}},{"id":1925463,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2023-04-05T21:00:40.000Z","date":"2023-04-03","kind":"exercise","planned":false,"acquired":true,"shares":30500,"price":2.875,"value":87687.5,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of Common Stock upon vesting: (a) 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof and (b) 52,667 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 3) (c) 635,112 shares of the Issuer's common stock owned by the reporting person, inclusive of the 30,500 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":927779,"source":{"system":"sec-edgar","filing":"0001104659-23-042221","document":"tm2311822d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923042221/tm2311822d1_4.xml","form_type":"4"}},{"id":2091308,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-12-09T21:31:54.000Z","date":"2022-12-08","kind":"purchase","acquired":true,"shares":5859,"price":1.26,"value":7382.34,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 reflects an open market purchase made by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of Common Stock upon vesting: (a) 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof and (b) 52,667 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 604,612 shares of the Issuer's common stock owned by the reporting person, inclusive of the 5,859 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":897279,"source":{"system":"sec-edgar","filing":"0001104659-22-125893","document":"tm2232376d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922125893/tm2232376d1_4.xml","form_type":"4"}},{"id":2092386,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-12-08T21:30:31.000Z","date":"2022-12-07","kind":"purchase","acquired":true,"shares":9850,"price":1.26,"value":12411.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 reflect open market purchases made by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of Common Stock upon vesting: (a) 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof and (b) 52,667 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 598,753 shares of the Issuer's common stock owned by the reporting person, inclusive of the total of 24,141 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":891420,"source":{"system":"sec-edgar","filing":"0001104659-22-125503","document":"tm2232267-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922125503/tm2232267-1_4seq1.xml","form_type":"4"}},{"id":2092385,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-12-08T21:30:31.000Z","date":"2022-12-06","kind":"purchase","acquired":true,"shares":14291,"price":1.264,"value":18063.824,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 reflect open market purchases made by the reporting person."}],"balance_after":881570,"source":{"system":"sec-edgar","filing":"0001104659-22-125503","document":"tm2232267-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922125503/tm2232267-1_4seq1.xml","form_type":"4"}},{"id":2161426,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-09-12T12:00:44.000Z","date":"2022-09-08","kind":"purchase","acquired":true,"shares":35000,"price":1.7,"value":59500.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported on this Form 4 reflects an open market purchase made by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of Common Stock upon vesting: (a) 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof and (b) 52,667 RSUs granted on August 10, 2022 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 574,612 shares of the Issuer's common stock owned by the reporting person, inclusive of the 35,000 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":867279,"source":{"system":"sec-edgar","filing":"0001104659-22-099104","document":"tm2225533-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922099104/tm2225533-1_4seq1.xml","form_type":"4"}},{"id":2187262,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-08-12T22:46:52.000Z","date":"2022-08-10","kind":"grant","acquired":true,"shares":240000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options will vest only upon the achievement of certain milestones before December 31, 2025. Specifically, (i) 60,000 options will vest if the Company obtains U.S. Food and Drug Administration approval for its product DrugSorb, (ii) 60,000 options will vest if the Company achieves $80 million or more in annual ex-U.S. sales, (iii) 60,000 options will vest if the Company achieves $20 million or more in annual U.S. sales, and (iv) 60,000 options will vest if the Company achieves U.S. GAAP breakeven."}],"balance_after":240000,"derivative":{"exercise_price":1.95,"expiration_date":"2032-08-10","underlying":"Common Stock","underlying_shares":240000},"source":{"system":"sec-edgar","filing":"0001104659-22-090246","document":"tm2223355-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922090246/tm2223355-2_4seq1.xml","form_type":"4"}},{"id":2187261,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-08-12T22:46:52.000Z","date":"2022-08-10","kind":"grant","acquired":true,"shares":106000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These stock options were granted pursuant to the Plan. The shares underlying these stock options vest as to one-quarter of the award on each of the date of grant, the first anniversary of the date of grant, the second anniversary of the date of grant and the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":106000,"derivative":{"exercise_price":1.95,"expiration_date":"2032-08-10","underlying":"Common Stock","underlying_shares":106000},"source":{"system":"sec-edgar","filing":"0001104659-22-090246","document":"tm2223355-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922090246/tm2223355-2_4seq1.xml","form_type":"4"}},{"id":2187260,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-08-12T22:46:52.000Z","date":"2022-08-10","kind":"grant","acquired":true,"shares":79000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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, par value $0.001 per share (the \"Common Stock\") upon vesting."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following RSUs that will be settled into shares of Common Stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of Common Stock upon vesting: (a) 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof and (b) 79,000 RSUs granted on August 10, 2022 reported on this Form 4 and unvested as of the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 526,130 shares of the Common Stock owned by the reporting person."}],"balance_after":845130,"source":{"system":"sec-edgar","filing":"0001104659-22-090246","document":"tm2223355-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922090246/tm2223355-2_4seq1.xml","form_type":"4"}},{"id":2225822,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-06-21T20:30:54.000Z","date":"2022-06-16","kind":"purchase","acquired":true,"shares":2221,"price":1.85,"value":4108.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were open market purchases made by the reporting person pursuant to a trading plan adopted by the reporting person that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of the Issuer's common stock upon vesting: 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 528,351 shares of the Issuer's common stock owned by the reporting person, inclusive of the 2,221 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":768351,"source":{"system":"sec-edgar","filing":"0001104659-22-072979","document":"tm2218917-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922072979/tm2218917-1_4seq1.xml","form_type":"4"}},{"id":2236452,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-06-10T20:30:50.000Z","date":"2022-06-09","kind":"purchase","acquired":true,"shares":16000,"price":2.174,"value":34784.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Reflects open market purchases made by the reporting person on June 9, 2022. Purchase price reflects the average price of purchases made in multiple transactions at prices ranging from $2.15 to $2.18, inclusive. The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price within the range set forth herein upon request."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Reflects open market purchases made by the reporting person on June 9, 2022. Purchase price reflects the average price of purchases made in multiple transactions at prices ranging from $2.15 to $2.18, inclusive. The reporting person undertakes to provide full information regarding the number of shares purchased at each separate price within the range set forth herein upon request."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(continued from footnote 2) (b) the following RSUs (which vest 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 settle into shares of the Issuer's common stock upon vesting: 24,000 RSUs granted on April 12, 2021 and unvested on the date hereof; and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"(continued from footnote 3) (c) 526,130 shares of the Issuer's common stock owned by the reporting person, inclusive of the 16,000 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":766130,"source":{"system":"sec-edgar","filing":"0001104659-22-070156","document":"tm2218190d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922070156/tm2218190d1_4.xml","form_type":"4"}},{"id":2454639,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-01-04T01:00:57.000Z","date":"2021-12-30","kind":"purchase","acquired":true,"shares":5462,"price":4.05,"value":22121.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were open market purchases made by the reporting person pursuant to a trading plan adopted on December 9, 2021 that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the following RSUs (which vest 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 settle into shares of the Issuer's common stock upon vesting: (a) 48,000 RSUs granted on April 12, 2021 and unvested on the date hereof, and (b) 20,000 RSUs granted on February 28, 2020 and unvested on the date hereof, and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 484,443 shares of the Issuer's common stock owned by the reporting person, inclusive of the 15,000 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":768443,"source":{"system":"sec-edgar","filing":"0001104659-22-000566","document":"tm221390-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922000566/tm221390-1_4seq1.xml","form_type":"4"}},{"id":2454638,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-01-04T01:00:57.000Z","date":"2021-12-29","kind":"purchase","acquired":true,"shares":9438,"price":4.05,"value":38223.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were open market purchases made by the reporting person pursuant to a trading plan adopted on December 9, 2021 that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended."}],"balance_after":762981,"source":{"system":"sec-edgar","filing":"0001104659-22-000566","document":"tm221390-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922000566/tm221390-1_4seq1.xml","form_type":"4"}},{"id":2454637,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2022-01-04T01:00:57.000Z","date":"2021-12-29","kind":"purchase","acquired":true,"shares":100,"price":4.04,"value":404.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported on this Form 4 were open market purchases made by the reporting person pursuant to a trading plan adopted on December 9, 2021 that is intended to comply with Rule 10b5-1(c) under the Securities Exchange Act of 1934, as amended."}],"balance_after":753543,"source":{"system":"sec-edgar","filing":"0001104659-22-000566","document":"tm221390-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465922000566/tm221390-1_4seq1.xml","form_type":"4"}},{"id":2476074,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-12-13T14:05:26.000Z","date":"2021-12-10","kind":"purchase","acquired":true,"shares":5000,"price":5.25,"value":26250.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into shares of the Issuer's common stock upon vesting upon a \"Change In Control\" of the Issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015; (ii) the following RSUs (which vest 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 settle into shares of the Issuer's common stock upon vesting: (a) 48,000 RSUs granted on April 12, 2021 and unvested on the date hereof, and (b) 20,000 RSUs granted on February 28, 2020 and unvested on the date hereof, and"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(iii) 469,443 shares of the Issuer's common stock owned by the reporting person, inclusive of the 5,000 shares of the Issuer's common stock reported on this Form 4."}],"balance_after":753443,"source":{"system":"sec-edgar","filing":"0001104659-21-148900","document":"tm2135232-1_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465921148900/tm2135232-1_4seq1.xml","form_type":"4"}},{"id":2749692,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2021-04-15T01:13:24.000Z","date":"2021-04-12","kind":"grant","acquired":true,"shares":96000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The stock options were granted pursuant to the Plan. The shares underlying the stock options vest as to one-quarter of the award on each of the date of grant, the first anniversary of the date of grant, the second anniversary of the date of grant and the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":96000,"derivative":{"exercise_price":8.99,"expiration_date":"2031-04-12","underlying":"Common Stock","underlying_shares":96000},"source":{"system":"sec-edgar","filing":"0001104659-21-050398","document":"tm2113016d4_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465921050398/tm2113016d4_4.xml","form_type":"4"}},{"id":2749691,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2021-04-15T01:13:24.000Z","date":"2021-04-12","kind":"grant","acquired":true,"shares":72000,"price":8.99,"value":647280.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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, par value $0.001 per share (the \"Common Stock\") upon vesting."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following RSUs that will be settled into Common Stock upon vesting upon a \"Change In Control\" of CytoSorbents Corporation (the \"Company\") as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"(ii) the following RSUs (which vest 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 settle into Common Stock upon vesting: (a) 72,000 RSUs granted on April 12, 2021 and unvested on the date hereof, (b) 20,000 RSUs granted on February 28, 2020 and unvested on the date hereof, and (c) 20,000 RSUs granted on July 22, 2019 and unvested on the date hereof; and (iii) 441,339 shares of Common Stock owned by the reporting person."}],"balance_after":769339,"source":{"system":"sec-edgar","filing":"0001104659-21-050398","document":"tm2113016d4_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465921050398/tm2113016d4_4.xml","form_type":"4"}},{"id":3158234,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Stock Option (right to buy)","published_at":"2020-05-07T22:00:15.000Z","date":"2020-05-05","kind":"exercise","acquired":false,"shares":14100,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These stock options were originally granted on May 5, 2010 and became exercisable at the discretion of the Board of Directors of the Company based on criteria including (but not limited to) a timely completion of the sepsis trial, raising capital for the Company, and partnering and business development."}],"balance_after":0,"derivative":{"exercise_price":3.45,"expiration_date":"2030-05-05","underlying":"Common Stock","underlying_shares":14100},"source":{"system":"sec-edgar","filing":"0001104659-20-058217","document":"tm2019006d1_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465920058217/tm2019006d1_4.xml","form_type":"4"}},{"id":3158233,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Common Stock","published_at":"2020-05-07T22:00:15.000Z","date":"2020-05-05","kind":"exercise","acquired":true,"shares":14100,"price":9.39,"value":132399.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) the following RSUs that will be settled into common stock, par value $0.0001 per share (the \"Common Stock\") upon vesting upon a \"Change In Control\" of CytoSorbents Corporation (the \"Company\") as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015; (continue with footnote 2)"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(ii) the following RSUs (which vest 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 settle into Common Stock upon vesting: (a) 40,000 RSUs granted on February 28, 2020 and unvested on the date hereof, (b) 40,000 RSUs granted on July 22, 2019 and unvested on the date hereof, and (c) 1,834 RSUs granted on March 4, 2019 and unvested on the date hereof; and (iii) 416,848 shares of Common Stock owned by the reporting person."}],"balance_after":714682,"source":{"system":"sec-edgar","filing":"0001104659-20-058217","document":"tm2019006d1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465920058217/tm2019006d1_4.xml","form_type":"4"}},{"id":3233280,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2020-03-03T22:00:26.000Z","date":"2020-02-28","kind":"grant","acquired":true,"shares":80000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock options were granted pursuant to the Plan. The shares underlying the stock options vest as to one-quarter of the award on each of the date of grant, the first anniversary of the date of grant, the second anniversary of the date of grant and the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":80000,"derivative":{"exercise_price":6.03,"expiration_date":"2030-02-28","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001104659-20-028648","document":"tm2011575d5_form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465920028648/tm2011575d5_form4.xml","form_type":"4"}},{"id":3233279,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2020-03-03T22:00:26.000Z","date":"2020-02-28","kind":"grant","acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes: (i) the following RSUs that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015; (ii) the following RSUs subject to vesting as set forth in footnote (1) and will be settled into common stock upon vesting: (a) 60,000 RSUs granted on February 28, 2020 as reported on this Form 4, (b) 40,000 RSUs granted on July 22, 2019 and unvested as of the date hereof and (c) 3,677 RSUs granted on March 4, 2019 and unvested as of the date hereof; and (iii) 391,511 shares of common stock owned by the reporting person."}],"balance_after":711178,"source":{"system":"sec-edgar","filing":"0001104659-20-028648","document":"tm2011575d5_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465920028648/tm2011575d5_form4.xml","form_type":"4"}},{"id":3349941,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-12-06T16:45:18.000Z","date":"2019-12-06","kind":"purchase","acquired":true,"shares":16500,"price":3.6,"value":59400.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into common stock upon vesting upon a \"Change In Control\" of the issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan as follows: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(ii) the following RSUs subject to vesting in three equal annual installments with the first of such vesting beginning on the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and that will be settled into common stock upon vesting: (a) 40,000 RSUs granted on July 22, 2019, (b) 3,667 RSUs granted on March 4, 2019, and (c) 14,334 RSUs granted on February 28, 2018, all 58,001 of which are unvested as of the date hereof; and (iii) 383,687 shares of common stock owned by the reporting person, inclusive of the 16,500 shares of common stock reported on this Form 4."}],"balance_after":657688,"source":{"system":"sec-edgar","filing":"0001104659-19-070448","document":"tm1924679-1_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465919070448/tm1924679-1_4.xml","form_type":"4"}},{"id":3434707,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2019-08-19T20:01:45.000Z","date":"2019-08-15","kind":"exercise","acquired":false,"shares":75000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"On May 5, 2010 the reporting person was granted an option to purchase a total of 134,000 shares of common stock (after giving effect to the issuer's twenty-five-for-one reverse split) which was to vest at the discretion of the issuer's Board of Directors based on satisfying certain criteria including, but not limited to, timely completion of the sepsis trial, raising capital for the issuer, and partnering and business development. The issuer's Board of Directors subsequently determined that approximately two-thirds of such performance criteria was achieved, resulting in vesting of 89,100 shares underlying the option."}],"balance_after":14100,"derivative":{"exercise_price":3.45,"expiration_date":"2020-05-05","underlying":"Common Stock","underlying_shares":75000},"source":{"system":"sec-edgar","filing":"0001144204-19-040629","document":"tv527919_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419040629/tv527919_4.xml","form_type":"4"}},{"id":3434706,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-08-19T20:01:45.000Z","date":"2019-08-15","kind":"exercise","acquired":true,"shares":75000,"price":3.45,"value":258750.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes: (i) the following restricted stock units (\"RSUs\") that will be settled into common stock upon vesting upon a \"Change In Control\" of the issuer as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan as follows: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015;"},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"(ii) the following RSUs subject to vesting in three equal annual installments with the first of such vesting beginning on the date of grant, subject to the reporting person's continued service as of the applicable vesting date, and that will be settled into common stock upon vesting: (a) 40,000 RSUs granted on July 22, 2019 which are unvested as of the date hereof, (b) 3,667 RSUs granted on March 4, 2019 which are unvested as of the date hereof, and (c) 14,334 RSUs granted on February 28, 2018 which are unvested as of the date hereof; and (iii) 367,187 shares of common stock owned by the reporting person, inclusive of the 75,000 shares of common stock reported on this Form 4."}],"balance_after":641188,"source":{"system":"sec-edgar","filing":"0001144204-19-040629","document":"tv527919_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419040629/tv527919_4.xml","form_type":"4"}},{"id":3456849,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2019-07-25T00:17:17.000Z","date":"2019-07-22","kind":"grant","acquired":true,"shares":80000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock option was granted pursuant to the Plan. The shares underlying the stock option vest as to one-quarter of the award on each of the date of grant, the first anniversary of the date of grant, the second anniversary of the date of grant and the third anniversary of the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":80000,"derivative":{"exercise_price":7.33,"expiration_date":"2029-07-22","underlying":"Common Stock","underlying_shares":80000},"source":{"system":"sec-edgar","filing":"0001144204-19-035836","document":"tv525802_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419035836/tv525802_4.xml","form_type":"4"}},{"id":3456848,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-07-25T00:17:17.000Z","date":"2019-07-22","kind":"grant","acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) the following RSUs that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015; (ii) the following RSUs subject to vesting as set forth in footnote (1) and will be settled into common stock upon vesting: (a) 60,000 RSUs granted on July 22, 2019 and reported on this Form 4, (b) 14,334 RSUs granted on February 28, 2018 which are unvested as of the date hereof and (c) 3,667 RSUs granted on March 4, 2019 which are unvested as of the date hereof; and (iii) 281,581 shares of common stock owned by the reporting person."}],"balance_after":575582,"source":{"system":"sec-edgar","filing":"0001144204-19-035836","document":"tv525802_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419035836/tv525802_4.xml","form_type":"4"}},{"id":3494454,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2019-06-11T20:59:50.000Z","date":"2019-06-07","kind":"exercise","acquired":false,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock options became fully exercisable on January 4, 2014."}],"balance_after":0,"derivative":{"exercise_price":4.325,"expiration_date":"2020-01-04","underlying":"Common Stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0001144204-19-030586","document":"tv523396_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419030586/tv523396_4.xml","form_type":"4"}},{"id":3494453,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-06-11T20:59:50.000Z","date":"2019-06-07","kind":"exercise","acquired":true,"shares":20000,"price":4.325,"value":86500.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following RSUs that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015, (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) 14,334 RSUs granted on February 28, 2018 which are unvested as of the date hereof and (b) 3,667 RSUs granted on March 4, 2019 and (iii) 281,581 shares of common stock owned by the reporting person, including the 20,000 shares reported on this Form 4."}],"balance_after":515582,"source":{"system":"sec-edgar","filing":"0001144204-19-030586","document":"tv523396_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419030586/tv523396_4.xml","form_type":"4"}},{"id":3574125,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-03-29T19:47:50.000Z","date":"2019-03-04","kind":"grant","acquired":true,"shares":5500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) the following RSUs that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the 2014 Long-Term Incentive Plan: (a) 10,300 RSUs granted on March 15, 2018, (b) 18,700 RSUs granted on February 24, 2017, (c) 57,000 RSUs granted on June 7, 2016 and (d) 130,000 RSUs granted on April 8, 2015, (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) 14,334 RSUs granted on February 28, 2018 which are unvested as of the date hereof and (b) 5,500 RSUs granted on March 4, 2019, reported on this Form 4 and (iii) 260,549 shares of common stock owned by the reporting person."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"This amended Form 4 corrects an error in Table I, Item 5 and the corresponding footnote (2) reflected on the original Form 4 filed on March 6, 2019. The original Form 4 misreported the number of shares held by the reporting person following offset for taxes."}],"balance_after":496383,"source":{"system":"sec-edgar","filing":"0001144204-19-016966","document":"tv517552_4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419016966/tv517552_4a.xml","form_type":"4/A","original_submission_date":"2019-03-06"}},{"id":3608696,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2019-03-07T02:10:20.000Z","date":"2019-03-04","kind":"grant","acquired":true,"shares":5500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) the following RSUs that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the 2014 Long-Term Incentive 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) 14,333 RSUs granted on February 28, 2018 which are unvested as of the date hereof and (b) 5,500 RSUs granted on March 4, 2019 and reported on this Form 4 and (iii) 195,316 shares of common stock owned by the reporting person."}],"balance_after":431149,"source":{"system":"sec-edgar","filing":"0001144204-19-012636","document":"tv515703_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420419012636/tv515703_4.xml","form_type":"4"}},{"id":3735819,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-Statutory Stock Option (right to buy)","published_at":"2018-12-11T19:06:29.000Z","date":"2018-12-07","kind":"exercise","acquired":true,"shares":89337,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option, representing a right to purchase a total of 100,155 shares, became exercisable per the following vesting schedule: fifty percent (50%) of the shares of common stock underlying the option vested on January 8, 2009, with the remaining fifty percent (50%) vesting at the discretion of the Issuer's Compensation Committee based on criteria including (but not limited to) success relative to (i) a timely completion of the Issuer's sepsis trial, (ii) raising capital for the Issuer, (iii) partnering and business development; provided, however, that, in no event shall the vesting of all of the remaining fifty percent (50%) occur later than January 1, 2010."}],"balance_after":0,"derivative":{"exercise_price":2.1,"expiration_date":"2019-01-08","underlying":"Common Stock","underlying_shares":89337},"source":{"system":"sec-edgar","filing":"0001144204-18-064025","document":"tv508949_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418064025/tv508949_4.xml","form_type":"4"}},{"id":3735818,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-12-11T19:06:29.000Z","date":"2018-12-07","kind":"sale","acquired":false,"shares":24337,"price":9.3695,"value":228025.5215,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.2350 to $9.7500, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":503281,"source":{"system":"sec-edgar","filing":"0001144204-18-064025","document":"tv508949_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418064025/tv508949_4.xml","form_type":"4"}},{"id":3735817,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-12-11T19:06:29.000Z","date":"2018-12-07","kind":"exercise","acquired":true,"shares":89337,"price":2.1,"value":187607.7,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":527618,"source":{"system":"sec-edgar","filing":"0001144204-18-064025","document":"tv508949_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418064025/tv508949_4.xml","form_type":"4"}},{"id":3822132,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-Statutory Stock Option (right to buy)","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-07","kind":"exercise","acquired":true,"shares":2731,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option, representing a right to purchase a total of 100,155 shares, became exercisable per the following vesting schedule: fifty percent (50%) of the shares of common stock underlying the option vested on January 8, 2009, with the remaining fifty percent (50%) vesting at the discretion of the Issuer's Compensation Committee based on criteria including (but not limited to) success relative to (i) a timely completion of the Issuer's sepsis trial, (ii) raising capital for the Issuer, and (iii) partnering and business development; provided, however, that, in no event shall the vesting of all of the remaining fifty percent (50%) occur later than January 1, 2010."}],"balance_after":89337,"derivative":{"exercise_price":2.1,"expiration_date":"2019-01-08","underlying":"Common Stock","underlying_shares":2731},"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822131,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-Statutory Stock Option (right to buy)","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-06","kind":"exercise","acquired":true,"shares":2900,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option, representing a right to purchase a total of 100,155 shares, became exercisable per the following vesting schedule: fifty percent (50%) of the shares of common stock underlying the option vested on January 8, 2009, with the remaining fifty percent (50%) vesting at the discretion of the Issuer's Compensation Committee based on criteria including (but not limited to) success relative to (i) a timely completion of the Issuer's sepsis trial, (ii) raising capital for the Issuer, and (iii) partnering and business development; provided, however, that, in no event shall the vesting of all of the remaining fifty percent (50%) occur later than January 1, 2010."}],"balance_after":92068,"derivative":{"exercise_price":2.1,"expiration_date":"2019-01-08","underlying":"Common Stock","underlying_shares":2900},"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822130,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-Statutory Stock Option (right to buy)","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"exercise","acquired":true,"shares":5187,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The option, representing a right to purchase a total of 100,155 shares, became exercisable per the following vesting schedule: fifty percent (50%) of the shares of common stock underlying the option vested on January 8, 2009, with the remaining fifty percent (50%) vesting at the discretion of the Issuer's Compensation Committee based on criteria including (but not limited to) success relative to (i) a timely completion of the Issuer's sepsis trial, (ii) raising capital for the Issuer, and (iii) partnering and business development; provided, however, that, in no event shall the vesting of all of the remaining fifty percent (50%) occur later than January 1, 2010."}],"balance_after":94968,"derivative":{"exercise_price":2.1,"expiration_date":"2019-01-08","underlying":"Common Stock","underlying_shares":5187},"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822129,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Non-Statutory Stock Option (right to buy)","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"exercise","acquired":true,"shares":600,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":2,"exercise_date":"2008-12-31","expiration_date":"2018-12-31","underlying":"Common Stock","underlying_shares":600},"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822128,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-07","kind":"sale","acquired":false,"shares":2731,"price":14.11,"value":38534.41,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $14.10 to $14.15, inclusive."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":438281,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822127,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-06","kind":"sale","acquired":false,"shares":2900,"price":14.75,"value":42775.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":441012,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822126,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"sale","acquired":false,"shares":5187,"price":14.85,"value":77026.95,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":443912,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822125,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"sale","acquired":false,"shares":600,"price":14.85,"value":8910.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":449099,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822124,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-07","kind":"exercise","acquired":true,"shares":2731,"price":2.1,"value":5735.1,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":449699,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822123,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-06","kind":"exercise","acquired":true,"shares":2900,"price":2.1,"value":6090.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":446968,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822122,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"exercise","acquired":true,"shares":5187,"price":2.1,"value":10892.7,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":444068,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3822121,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-09-08T01:55:14.000Z","date":"2018-09-05","kind":"exercise","acquired":true,"shares":600,"price":2,"value":1200.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (RSUs) that will be settled into common stock upon vesting upon a \"Change In Control,\" as defined in the CytoSorbents Corporation 2014 Long-Term Incentive 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) shares of common stock owned by the reporting person."}],"balance_after":438881,"source":{"system":"sec-edgar","filing":"0001144204-18-048704","document":"tv502605_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418048704/tv502605_4.xml","form_type":"4"}},{"id":3894117,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock Warrants (right to buy)","published_at":"2018-06-14T15:52:03.000Z","date":"2018-06-11","kind":"other","acquired":false,"shares":8000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":0,"derivative":{"exercise_price":3.75,"exercise_date":"2013-06-21","expiration_date":"2018-06-21","underlying":"Common Stock","underlying_shares":8000},"source":{"system":"sec-edgar","filing":"0001144204-18-034157","document":"tv496464_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418034157/tv496464_4.xml","form_type":"4"}},{"id":3894116,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-06-14T15:52:03.000Z","date":"2018-06-11","kind":"other","acquired":true,"shares":8000,"price":3.75,"value":30000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"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."}],"balance_after":461281,"source":{"system":"sec-edgar","filing":"0001144204-18-034157","document":"tv496464_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418034157/tv496464_4.xml","form_type":"4"}},{"id":3989948,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2018-03-20T00:50:45.000Z","date":"2018-03-15","kind":"grant","acquired":true,"shares":117750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"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."}],"balance_after":117750,"derivative":{"exercise_price":7.9,"expiration_date":"2028-03-15","underlying":"Common Stock","underlying_shares":117750},"source":{"system":"sec-edgar","filing":"0001144204-18-015716","document":"tv488963_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418015716/tv488963_4.xml","form_type":"4"}},{"id":3989947,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-03-20T00:50:45.000Z","date":"2018-03-15","kind":"grant","acquired":true,"shares":10300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units (\"RSUs\") that will be settled into common stock upon vesting upon a \"Change In Control\" of CytoSorbents Corporation (the \"Company\"), as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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 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) 13,542 of the RSUs granted to the reporting person on February 24, 2017 which are unvested as of the date hereof, (b) 8,667 of the RSUs granted on June 7, 2016 which are unvested as of the date hereof, and (c) 43,000 RSUs granted on February 28, 2018 and (iii) 159,504 shares of common stock owned by the reporting person."}],"balance_after":440713,"source":{"system":"sec-edgar","filing":"0001144204-18-015716","document":"tv488963_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418015716/tv488963_4.xml","form_type":"4"}},{"id":4020437,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2018-03-02T23:43:44.000Z","date":"2018-02-28","kind":"grant","acquired":true,"shares":95200,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On February 24, 2017, the reporting person was granted an option to purchase 112,000 shares of Common Stock pursuant to the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"), which was to vest upon achievement of certain performance goals as determined in the discretion of the Compensation Committee of the Board of Directors of CytoSorbents Corporation (the \"Company\"). This grant was reported on a Form 4 filed on February 28, 2017. On February 28, 2018, the Compensation Committee of the Board of Directors of the Company determined that 85% of such performance criteria was achieved during 2017, resulting in vesting of 95,200 shares underlying this option."}],"balance_after":95200,"derivative":{"exercise_price":5.6,"expiration_date":"2027-02-24","underlying":"Common Stock","underlying_shares":95200},"source":{"system":"sec-edgar","filing":"0001144204-18-012634","document":"tv487663_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418012634/tv487663_4.xml","form_type":"4"}},{"id":4020436,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2018-03-02T23:43:44.000Z","date":"2018-02-28","kind":"grant","acquired":true,"shares":43000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These shares represent restricted stock units which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes (i) the following restricted stock units (\"RSUs\") that will be settled into common stock upon vesting upon a \"Change In Control\" of Company, as defined in the Plan: (a) 18,700 RSUs granted on February 24, 2017, (b) 57,000 RSUs granted on June 7, 2016, and (c) 130,000 RSUs granted on April 8, 2015, (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 of the RSUs granted to the reporting person on February 24, 2017 which are unvested as of the date hereof, (b) 8,667 of the RSUs granted on June 7, 2016 which are unvested as of the date hereof, and (c) 43,000 RSUs granted on February 28, 2018 and reported on this Form 4 and (iii) 159,504 shares of common stock owned by the reporting person."}],"balance_after":430413,"source":{"system":"sec-edgar","filing":"0001144204-18-012634","document":"tv487663_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420418012634/tv487663_4.xml","form_type":"4"}},{"id":4288572,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2017-06-08T22:38:09.000Z","date":"2017-06-08","kind":"purchase","acquired":true,"shares":3700,"price":4,"value":14800.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (\"RSUs\") 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) 18,700 RSUs granted on February 24, 2017, (b) 57,000 RSUs granted on June  7, 2016, and (c) 130,000 RSUs granted on April 8, 2015, (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) 40,625 RSUs granted on February 24, 2017 and (b) 26,000 RSUs granted on June 7, 2016  and (iii) 127,582 shares of common stock owned by the reporting person (including 3,700 shares of common stock  purchased in the open market on June 8, 2017 and reported on this Form 4)."}],"balance_after":399907,"source":{"system":"sec-edgar","filing":"0001144204-17-031785","document":"v468719_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417031785/v468719_4.xml","form_type":"4"}},{"id":4291305,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2017-06-06T20:10:26.000Z","date":"2017-06-05","kind":"purchase","acquired":true,"shares":6300,"price":4,"value":25200.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Includes (i) the following restricted stock units (\"RSUs\") 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) 18,700 RSUs granted on February 24, 2017, (b) 57,000 RSUs granted on June  7, 2016, and (c) 130,000 RSUs granted on April 8, 2015, (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) 40,625 RSUs granted on February 24, 2017 and (b) 26,000 RSUs granted on June 7, 2016  and (iii) 123,882 shares of common stock owned by the reporting person (including 6,300 shares of common stock  purchased in the open market on June 5, 2017 and reported on this Form 4)."}],"balance_after":396207,"source":{"system":"sec-edgar","filing":"0001144204-17-031283","document":"v468503_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417031283/v468503_form4.xml","form_type":"4"}},{"id":4418089,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2017-02-28T22:19:28.000Z","date":"2017-02-24","kind":"grant","acquired":true,"shares":112000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Such options were granted pursuant to the CytoSorbents Corporation 2014 Long-Term Incentive Plan, and shall vest upon achievement of certain performance goals as determined in the discretion of the Board of Directors of CytoSorbents Corporation."}],"balance_after":112000,"derivative":{"exercise_price":5.6,"expiration_date":"2027-02-24","underlying":"Common Stock","underlying_shares":112000},"source":{"system":"sec-edgar","filing":"0001144204-17-011829","document":"v460710_form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417011829/v460710_form4.xml","form_type":"4"}},{"id":4418088,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2017-02-28T22:19:28.000Z","date":"2017-02-24","kind":"grant","acquired":true,"shares":18700,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"These shares represent restricted stock units and 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes (i) 18,700 restricted stock units granted on February 24, 2017 and reported on this Form 4, (ii) 57,000 restricted stock units granted on June  7, 2016, subject to vesting in accordance with the schedule set forth in (3) above, (iii) 130,000 restricted stock units granted on April 8, 2015, subject to vesting in accordance with the schedule set forth in (3) above and (iv) the restricted stock units described in (2) above."}],"balance_after":389907,"source":{"system":"sec-edgar","filing":"0001144204-17-011829","document":"v460710_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417011829/v460710_form4.xml","form_type":"4"}},{"id":4418087,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2017-02-28T22:19:28.000Z","date":"2017-02-24","kind":"grant","acquired":true,"shares":40625,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent restricted stock units which shall vest 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) 40,625 restricted stock units granted on February 24, 2017 and reported on this Form 4, (ii) 26,000 restricted stock units granted on June 7, 2016, subject to vesting in accordance with the schedule set forth in (1) above and (iii) 117,582 shares of common stock owned by the reporting person."}],"balance_after":184207,"source":{"system":"sec-edgar","filing":"0001144204-17-011829","document":"v460710_form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417011829/v460710_form4.xml","form_type":"4"}},{"id":4473666,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2017-02-01T20:52:41.000Z","date":"2017-01-30","kind":"grant","acquired":true,"shares":77600,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On June 7, 2016, the reporting person was granted an option to purchase 97,000 shares of common stock pursuant to the CytoSorbents Corporation 2014 Long-Term Incentive Plan, which was to vest upon achievement of certain performance goals as determined in the discretion of the Board of Directors of CytoSorbents Corporation (the \"Company\"). This grant was reported on a Form 4 filed on June 9, 2016. On January 30, 2017, the Board of Directors of the Company determined that 80% of such performance criteria was achieved during 2016, resulting in the vesting of 77,600 shares underlying this option."}],"balance_after":77600,"derivative":{"exercise_price":4.69,"expiration_date":"2026-06-07","underlying":"Common Stock","underlying_shares":77600},"source":{"system":"sec-edgar","filing":"0001144204-17-005342","document":"v458127_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420417005342/v458127_4.xml","form_type":"4"}},{"id":4524052,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":38283,"kind":"person","name":"Chan Phillip P.","position":1,"cik":"0001442786","reported_name":"Chan Phillip P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common Stock","published_at":"2016-12-13T18:09:23.000Z","date":"2016-12-09","kind":"purchase","acquired":true,"shares":4600,"price":5.4,"value":24840.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Open market purchase."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (i) 126,248 shares of common stock, (ii) 313,855 shares of common stock issuable pursuant to stock options currently exercisable or exercisable within 60 days of the transaction date, and (iii) 8,000 shares of common stock issuable pursuant to warrants currently exercisable or exercisable within 60 days of the transaction date."}],"balance_after":448103,"source":{"system":"sec-edgar","filing":"0001144204-16-139122","document":"v454910_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000114420416139122/v454910_4.xml","form_type":"4"}}]}