{"transactions":[{"id":1071561,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2025-08-08T23:38:11.000Z","date":"2025-08-08","kind":"grant","planned":false,"acquired":true,"shares":44000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock options were granted pursuant to the Plan. The shares underlying the stock options will vest in four (4) equal quarterly installments over a period of one year following the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":44000,"derivative":{"exercise_price":1,"expiration_date":"2035-08-08","underlying":"Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001104659-25-075795","document":"tm2522995-8_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925075795/tm2522995-8_4seq1.xml","form_type":"4"}},{"id":1230408,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Right Warrants (right to buy)","published_at":"2025-03-05T02:00:21.000Z","date":"2025-02-24","kind":"other","planned":false,"acquired":false,"shares":15879,"price":1.13,"value":17943.27,"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 15,879 (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 $15,879. 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":"F4","text":"The Reporting Person's remaining 5,879 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":15879},"source":{"system":"sec-edgar","filing":"0001104659-25-020516","document":"tm257709-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925020516/tm257709-2_4seq1.xml","form_type":"4"}},{"id":1230407,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-03-05T02:00:21.000Z","date":"2025-02-24","kind":"other","planned":false,"acquired":true,"shares":10000,"price":1.13,"value":11300.0,"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 15,879 (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 $15,879. 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 (a) the following restricted stock units (\"RSUs\") which will vest upon a \"Change of Control\" of the Company, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (i) 3,300 RSUs granted on March 15, 2018, (ii) 6,000 RSUs granted on February 24, 2017, and (iii) 60,000 RSUs granted on June 7, 2016, and (b) 81,973 shares of Common Stock owned by the Reporting Person."}],"balance_after":151273,"source":{"system":"sec-edgar","filing":"0001104659-25-020516","document":"tm257709-2_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925020516/tm257709-2_4seq1.xml","form_type":"4"}},{"id":1298009,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series B Right Warrants","published_at":"2025-01-23T01:35:13.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":true,"shares":15879,"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 15,879 (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 $15,879.  The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","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":"F5","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":"F6","text":"The Series B Right Warrants expire 90 calendar days following the Closing Date."}],"balance_after":15879,"derivative":{"exercise_date":"2025-01-17","expiration_date":"2025-04-10","underlying":"Common Stock","underlying_shares":15879},"source":{"system":"sec-edgar","filing":"0001104659-25-005358","document":"tm254168-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005358/tm254168-5_4seq1.xml","form_type":"4"}},{"id":1298008,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series A Right Warrants","published_at":"2025-01-23T01:35:13.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":true,"shares":15879,"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 15,879 (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 $15,879.  The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","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":"F3","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":"F4","text":"The Series A Right Warrants expire 45 calendar days following the Closing Date."}],"balance_after":15879,"derivative":{"exercise_date":"2025-01-17","expiration_date":"2025-02-24","underlying":"Common Stock","underlying_shares":15879},"source":{"system":"sec-edgar","filing":"0001104659-25-005358","document":"tm254168-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005358/tm254168-5_4seq1.xml","form_type":"4"}},{"id":1298007,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Subscription Rights (right to buy)","published_at":"2025-01-23T01:35:13.000Z","date":"2025-01-17","kind":"other","planned":false,"acquired":false,"shares":15879,"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 15,879 (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 $15,879.  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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 15,879 (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 $15,879.  The Rights Offering closed on January 10, 2025 (the \"Closing Date\")."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") which will vest upon a \"Change of Control\" of the Company, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (i) 3,300 RSUs granted on March 15, 2018, (ii) 6,000 RSUs granted on February 24, 2017, and (iii) 60,000 RSUs granted on June 7, 2016, and (b) 56,094 shares of Common Stock owned by the reporting person."}],"balance_after":141273,"source":{"system":"sec-edgar","filing":"0001104659-25-005358","document":"tm254168-5_4seq1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465925005358/tm254168-5_4seq1.xml","form_type":"4"}},{"id":1548007,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2024-04-05T01:46:36.000Z","date":"2024-04-02","kind":"grant","planned":false,"acquired":true,"shares":44000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"These stock options were granted pursuant to the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan. The shares underlying these stock options will vest in four (4) equal quarterly installments over a period of one year following the date of grant, subject to the reporting person's continued service as of the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These stock options were granted pursuant to the Amended and Restated CytoSorbents Corporation 2014 Long-Term Incentive Plan. The shares underlying these stock options will vest in four (4) equal quarterly installments over a period of one year following the date of grant, subject to the reporting person's continued service as of the applicable vesting date."}],"balance_after":44000,"derivative":{"exercise_price":0.955,"expiration_date":"2034-04-02","underlying":"Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001104659-24-043792","document":"tm2411149-5_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465924043792/tm2411149-5_4seq1.xml","form_type":"4"}},{"id":1709630,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock Warrant (Right to Buy)","published_at":"2023-12-15T21:33:21.000Z","date":"2023-12-13","kind":"purchase","planned":false,"acquired":true,"shares":13157,"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 on 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 together 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 Stock 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 on 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 together 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 Stock and accompanying warrant."}],"balance_after":13157,"derivative":{"exercise_price":2,"exercise_date":"2023-12-13","expiration_date":"2028-12-13","underlying":"Common Stock","underlying_shares":13157},"source":{"system":"sec-edgar","filing":"0001104659-23-126429","document":"tm2332958-3_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923126429/tm2332958-3_4seq1.xml","form_type":"4"}},{"id":1709629,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL G.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-15T21:33:21.000Z","date":"2023-12-13","kind":"purchase","planned":false,"acquired":true,"shares":37594,"price":1.33,"value":50000.02,"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 on 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 together 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 Stock 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 on 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 together 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 Stock and accompanying warrant."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes (a) the following restricted stock units (\"RSUs\") which will vest upon a \"Change of Control\" of the Company, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (i) 3,300 RSUs granted on March 15, 2018, (ii) 6,000 RSUs granted on February 24, 2017, and (iii) 60,000 RSUs granted on June 7, 2016, and (b) 56,094 shares of Common Stock owned by the reporting 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restricted stock units which will vest upon a \"Change of Control\" of CytoSorbents Corporation, as defined in the CytoSorbents Corporation 2014 Long-Term Incentive Plan (the \"Plan\"): (i) 3,300 restricted stock units granted on March 15, 2018, (ii) 6,000 restricted stock units granted on February 24, 2017, and (iii) 60,000 restricted stock units granted on June 7, 2016, and (b) 18,500 shares of common stock owned by the reporting person."}],"balance_after":87800,"source":{"system":"sec-edgar","filing":"0001104659-23-088977","document":"tm2317159-3_4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1175151/000110465923088977/tm2317159-3_4.xml","form_type":"4"}},{"id":1813084,"issuer":{"id":7625,"kind":"organization","name":"Cytosorbents Corp","symbol":"CTSO"},"owners":[{"id":76777,"kind":"person","name":"BATOR MICHAEL G.","position":1,"cik":"0001647591","reported_name":"BATOR MICHAEL 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