Insider Trading activities at Cytosorbents Corp (CTSO)

Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Cytosorbents Corp (CTSO) since 2014 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Cytosorbents Corp. Table 2 shows the detailed insider transactions. This company's CIK number is 1175151.

Total stock buying since 2014: $978,140.
Total stock sales since 2014: $5,251,490.
Total stock option exercises since 2014: $2,727,899.


11 insiders reported insider trading activities at Cytosorbents Corp (CTSO):
Insider trading activities of Bloch Kathleen P.
Insider trading activities of Mortensen Eric R.
Insider trading activities of Deliargyris Efthymios
Insider trading activities of Jones Edward Raymond
Insider trading activities of Njtc Investment Fund, Lp
Insider trading activities of Mariani Peter J
Insider trading activities of Bator Michael G.
Insider trading activities of Kraus Al
Insider trading activities of Capponi Vincent
Insider trading activities of Chan Phillip P.
Insider trading activities of Sobel Alan D.

Table 1. Yearly summary of insider stock purchases, sales, and option exercises at Cytosorbents Corp (CTSO).
Insider Buying Insider Sales Option Exercises
Year Shares Value Shares Value Shares Value
2026 361,469 $148,897 0 $0 0 $0
2024 51,363 $47,281 0 $0 0 $0
2023 162,918 $245,148 0 $0 52,500 $148,237
2022 99,597 $192,470 0 $0 0 $0
2021 9,000 $46,170 4,000 $37,592 8,000 $33,000
2020 0 $0 22,677 $192,062 75,257 $434,446
2019 31,500 $133,846 0 $0 114,600 $443,645
2018 0 $0 283,755 $3,021,022 432,755 $1,428,717
2017 20,000 $80,588 4,000 $28,000 4,000 $16,800
2016 13,600 $68,759 0 $0 0 $0
2015 2,125 $14,981 237,979 $1,545,153 237,979 $223,054
2014 0 $0 124,281 $427,661 0 $0

Table 2. Monthly summary of insider trading at Cytosorbents Corp (CTSO).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2026-06 361,469 $148,897 0 $0 0 $0
2024-12 51,363 $47,281 0 $0 0 $0
2023-12 146,618 $195,000 0 $0 0 $0
2023-08 3,000 $9,580 0 $0 0 $0
2023-05 13,300 $40,568 0 $0 0 $0
2023-04 0 $0 0 $0 40,500 $116,437
2023-02 0 $0 0 $0 12,000 $31,800
2022-09 35,000 $59,500 0 $0 0 $0
2022-06 31,921 $65,022 0 $0 0 $0
2022-05 32,676 $67,948 0 $0 0 $0
2021-12 5,000 $26,250 0 $0 4,000 $16,500
2021-11 4,000 $19,920 0 $0 0 $0
2021-08 0 $0 4,000 $37,592 4,000 $16,500
2020-12 0 $0 0 $0 7,857 $43,999
2020-11 0 $0 8,000 $64,000 8,000 $27,600
2020-08 0 $0 0 $0 4,000 $13,400
2020-07 0 $0 0 $0 10,000 $56,000
2020-05 0 $0 0 $0 24,223 $226,137
2020-04 0 $0 10,000 $100,000 10,000 $28,750
2020-03 0 $0 4,677 $28,062 11,177 $38,560
2019-12 19,500 $70,431 0 $0 0 $0
2019-11 1,000 $4,270 0 $0 0 $0
2019-08 8,000 $39,669 0 $0 84,600 $301,145
2019-06 0 $0 0 $0 30,000 $142,500

Table 3. Detailed insider trading at Cytosorbents Corp (CTSO)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2026-06-15 Chan Phillip P. (Chief Executive Officer) Buy 10,333 .43 4,443
2026-06-15 Mariani Peter J (Chief Financial Officer) Buy 100,000 .44 44,000
2026-06-12 Chan Phillip P. (Chief Executive Officer) Buy 251,136 .40 100,454
2024-12-13 Mariani Peter J (Chief Financial Officer) Buy 20,000 .96 19,300
2024-12-12 Mariani Peter J (Chief Financial Officer) Buy 20,000 .89 17,880
2024-12-11 Mariani Peter J (Chief Financial Officer) Buy 11,363 .89 10,101
2023-12-13 Deliargyris Efthymios (Chief Medical Officer) Buy 22,557 1.33 30,000
2023-12-13 Bator Michael G. Buy 37,594 1.33 50,000
2023-12-13 Sobel Alan D. Buy 22,557 1.33 30,000
2023-12-13 Bloch Kathleen P. (Chief Financial Officer) Buy 37,594 1.33 50,000
2023-12-13 Jones Edward Raymond Buy 7,519 1.33 10,000
2023-12-13 Capponi Vincent (President & COO) Buy 18,797 1.33 25,000
2023-08-07 Bator Michael G. Buy 2,000 3.17 6,350
2023-08-04 Bator Michael G. Buy 1,000 3.23 3,230
2023-05-25 Bloch Kathleen P. (Interim CFO) Buy 3,300 2.85 9,388
2023-05-10 Bloch Kathleen P. (Interim CFO) Buy 10,000 3.12 31,180
2023-04-04 Capponi Vincent (See Remarks) Option Ex 10,000 2.88 28,750
2023-04-03 Chan Phillip P. (Chief Executive Officer) Option Ex 30,500 2.88 87,687
2023-02-06 Kraus Al Option Ex 12,000 2.65 31,800
2022-09-08 Chan Phillip P. (Chief Executive Officer) Buy 35,000 1.70 59,500
2022-06-21 Capponi Vincent (President and COO) Buy 2,000 1.80 3,600
2022-06-16 Chan Phillip P. (Chief Executive Officer) Buy 2,221 1.85 4,108
2022-06-16 Capponi Vincent (See Remarks) Buy 3,000 2.00 6,000
2022-06-09 Chan Phillip P. (Chief Executive Officer) Buy 16,000 2.17 34,784
2022-06-06 Bloch Kathleen P. (Chief Financial Officer) Buy 8,700 1.90 16,530
2022-05-23 Capponi Vincent (President and COO) Buy 5,000 2.03 10,160
2022-05-18 Bator Michael G. Buy 11,000 2.19 24,145
2022-05-16 Jones Edward Raymond Buy 1,676 2.24 3,749
2022-05-11 Sobel Alan D. Buy 10,000 2.01 20,099
2022-05-06 Kraus Al Buy 5,000 1.96 9,795
2021-12-10 Chan Phillip P. (Chief Executive Officer) Buy 5,000 5.25 26,250
2021-12-09 Jones Edward Raymond Option Ex 4,000 4.12 16,500
2021-11-23 Bloch Kathleen P. (Chief Financial Officer) Buy 4,000 4.98 19,920
2021-08-31 Kraus Al Sale 4,000 9.40 37,592
2021-08-31 Kraus Al Option Ex 4,000 4.12 16,500
2020-12-31 Bloch Kathleen P. (Chief Financial Officer) Option Ex 7,857 5.60 43,999
2020-11-10 Kraus Al Sale 8,000 8.00 64,000
2020-11-10 Kraus Al Option Ex 8,000 3.45 27,600
2020-08-18 Jones Edward Raymond Option Ex 4,000 3.35 13,400
2020-07-31 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 5.60 56,000
2020-05-05 Chan Phillip P. (Chief Executive Officer) Option Ex 14,100 9.39 132,399
2020-05-05 Capponi Vincent (President and COO) Option Ex 10,123 9.26 93,738
2020-04-27 Capponi Vincent (Chief Operating Officer) Sale 10,000 10.00 100,000
2020-04-27 Capponi Vincent (Chief Operating Officer) Option Ex 10,000 2.88 28,750
2020-03-10 Capponi Vincent (Chief Operating Officer) Sale 4,677 6.00 28,062
2020-03-10 Capponi Vincent (Chief Operating Officer) Option Ex 11,177 3.45 38,560
2019-12-10 Bloch Kathleen P. (Chief Financial Officer) Buy 3,000 3.68 11,031
2019-12-06 Chan Phillip P. (President and CEO) Buy 16,500 3.60 59,400
2019-11-26 Bloch Kathleen P. (Chief Financial Officer) Buy 1,000 4.27 4,270
2019-08-16 Bloch Kathleen P. (Chief Financial Officer) Buy 6,500 4.83 31,395
2019-08-16 Capponi Vincent (Chief Operating Officer) Option Ex 4,600 4.33 19,895
2019-08-15 Chan Phillip P. (President and CEO) Option Ex 75,000 3.45 258,750
2019-08-14 Mortensen Eric R. (Chief Medical Officer) Option Ex 5,000 4.50 22,500
2019-08-09 Bloch Kathleen P. (Chief Financial Officer) Buy 1,500 5.52 8,274
2019-06-07 Chan Phillip P. (President and CEO) Option Ex 20,000 4.33 86,500
2019-06-07 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 5.60 56,000
2019-05-10 Bloch Kathleen P. (Chief Financial Officer) Buy 3,000 6.49 19,476
2018-12-07 Chan Phillip P. (President and CEO) Sale 24,337 9.37 228,037
2018-12-07 Chan Phillip P. (President and CEO) Option Ex 89,337 2.10 187,607
2018-09-07 Chan Phillip P. (President and CEO) Sale 2,731 14.11 38,534
2018-09-07 Chan Phillip P. (President and CEO) Option Ex 2,731 2.10 5,735
2018-09-06 Chan Phillip P. (President and CEO) Sale 2,900 14.75 42,775
2018-09-06 Chan Phillip P. (President and CEO) Option Ex 2,900 2.10 6,090
2018-09-05 Chan Phillip P. (President and CEO) Sale 5,787 14.85 85,936
2018-09-05 Chan Phillip P. (President and CEO) Option Ex 5,787 2.05 11,863
2018-08-30 Kraus Al Sale 26,000 14.47 376,272
2018-08-30 Kraus Al Option Ex 26,000 3.15 81,900
2018-08-29 Capponi Vincent (Chief Operating Officer) Sale 20,000 14.00 280,000
2018-08-29 Capponi Vincent (Chief Operating Officer) Option Ex 20,000 3.45 69,000
2018-08-28 Bloch Kathleen P. (Chief Financial Officer) Sale 10,000 13.50 135,000
2018-08-28 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 2.88 28,750
2018-08-28 Capponi Vincent (Chief Operating Officer) Sale 9,565 13.00 124,345
2018-08-28 Capponi Vincent (Chief Operating Officer) Option Ex 9,565 3.75 35,868
2018-08-03 Bloch Kathleen P. (Chief Financial Officer) Sale 10,000 12.58 125,840
2018-08-03 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 2.88 28,750
2018-08-03 Capponi Vincent (Chief Operating Officer) Sale 7,600 13.08 99,408
2018-08-03 Capponi Vincent (Chief Operating Officer) Option Ex 7,600 3.45 26,220
2018-08-02 Capponi Vincent (Chief Operating Officer) Sale 2,835 13.00 36,855
2018-08-02 Capponi Vincent (Chief Operating Officer) Option Ex 2,835 3.45 9,780
2018-06-15 Capponi Vincent (Chief Operating Officer) Sale 8,633 12.00 103,596
2018-06-15 Capponi Vincent (Chief Operating Officer) Option Ex 48,633 2.31 112,488
2018-06-14 Capponi Vincent (Chief Operating Officer) Sale 11,367 12.00 136,404
2018-06-14 Capponi Vincent (Chief Operating Officer) Option Ex 11,367 3.75 42,626
2018-05-17 Capponi Vincent (Chief Operating Officer) Sale 28,000 10.00 280,000
2018-05-17 Capponi Vincent (Chief Operating Officer) Option Ex 28,000 2.54 71,064
2018-05-16 Bloch Kathleen P. (Chief Financial Officer) Sale 12,400 9.00 111,600
2018-05-16 Bloch Kathleen P. (Chief Financial Officer) Option Ex 12,400 4.69 58,156
2018-05-16 Capponi Vincent (Chief Operating Officer) Sale 4,846 9.00 43,614
2018-05-16 Capponi Vincent (Chief Operating Officer) Option Ex 4,846 .88 4,240
2018-05-15 Bloch Kathleen P. (Chief Financial Officer) Sale 12,400 8.75 108,500
2018-05-15 Bloch Kathleen P. (Chief Financial Officer) Option Ex 12,400 4.69 58,156
2018-05-15 Capponi Vincent (Chief Operating Officer) Sale 7,154 9.00 64,386
2018-05-15 Capponi Vincent (Chief Operating Officer) Option Ex 7,154 2.54 18,156
2018-05-14 Bloch Kathleen P. (Chief Financial Officer) Sale 10,000 8.50 85,000
2018-05-14 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 2.90 29,000
2018-04-17 Bloch Kathleen P. (Chief Financial Officer) Sale 120 8.25 990
2018-04-17 Bloch Kathleen P. (Chief Financial Officer) Option Ex 120 4.69 562
2018-03-15 Bloch Kathleen P. (Chief Financial Officer) Sale 11,176 8.25 92,202
2018-03-15 Bloch Kathleen P. (Chief Financial Officer) Option Ex 11,176 4.69 52,415
2018-03-13 Bloch Kathleen P. (Chief Financial Officer) Sale 1,104 8.25 9,108
2018-03-13 Bloch Kathleen P. (Chief Financial Officer) Option Ex 1,104 4.69 5,177
2018-02-21 Bloch Kathleen P. (Chief Financial Officer) Sale 10,000 8.00 80,000
2018-02-21 Bloch Kathleen P. (Chief Financial Officer) Option Ex 10,000 2.90 29,000
2018-01-16 Capponi Vincent (Chief Operating Officer) Option Ex 44,000 6.25 275,000
2018-01-12 Bloch Kathleen P. (Chief Financial Officer) Sale 12,400 7.75 96,100
2018-01-12 Bloch Kathleen P. (Chief Financial Officer) Option Ex 12,400 4.69 58,156
2018-01-08 Bloch Kathleen P. (Chief Financial Officer) Sale 32,400 7.30 236,520
2018-01-08 Bloch Kathleen P. (Chief Financial Officer) Option Ex 32,400 3.79 122,958
2017-11-27 Capponi Vincent (Chief Operating Officer) Sale 4,000 7.00 28,000
2017-11-27 Capponi Vincent (Chief Operating Officer) Option Ex 4,000 4.20 16,800
2017-06-09 Mortensen Eric R. (Chief Medical Officer) Buy 2,500 4.04 10,100
2017-06-09 Bator Michael G. Buy 1,500 4.12 6,180
2017-06-08 Chan Phillip P. (President and CEO) Buy 3,700 4.00 14,800
2017-06-08 Jones Edward Raymond Buy 2,500 3.99 9,967
2017-06-08 Capponi Vincent (Chief Operating Officer) Buy 2,500 4.00 10,000
2017-06-05 Chan Phillip P. (President and CEO) Buy 6,300 4.00 25,200
2017-05-15 Bloch Kathleen P. (Chief Financial Officer) Buy 1,000 4.34 4,341
2016-12-09 Chan Phillip P. (President and CEO) Buy 4,600 5.40 24,840
2016-12-06 Bloch Kathleen P. (Chief Financial Officer) Buy 1,000 4.83 4,829
2016-08-24 Chan Phillip P. (President and CEO) Buy 5,000 4.89 24,450
2016-06-07 Bator Michael G. Buy 3,000 4.88 14,640
2015-12-09 Bloch Kathleen P. (Chief Financial Officer) Buy 2,125 7.05 14,981
2015-10-29 Capponi Vincent (Chief Operating Officer) Sale 4,000 7.50 30,000
2015-10-29 Capponi Vincent (Chief Operating Officer) Option Ex 4,000 .88 3,500
2015-10-15 Kraus Al Sale 6,774 6.22 42,120
2015-10-15 Kraus Al Option Ex 6,774 .88 5,927
2015-10-08 Kraus Al Sale 10,000 6.39 63,910
2015-10-08 Kraus Al Option Ex 10,000 .88 8,750
2015-10-01 Kraus Al Sale 10,000 6.26 62,590
2015-10-01 Kraus Al Option Ex 10,000 .88 8,750
2015-09-24 Kraus Al Sale 10,000 6.44 64,360
2015-09-24 Kraus Al Option Ex 10,000 .88 8,750
2015-09-17 Kraus Al Sale 10,000 6.64 66,370
2015-09-17 Kraus Al Option Ex 10,000 .88 8,750
2015-09-10 Kraus Al Sale 10,000 7.26 72,600
2015-09-10 Kraus Al Option Ex 10,000 .88 8,750
2015-09-03 Kraus Al Sale 10,000 7.26 72,590
2015-09-03 Kraus Al Option Ex 10,000 .88 8,750
2015-08-27 Kraus Al Sale 10,000 6.39 63,940
2015-08-27 Kraus Al Option Ex 10,000 .88 8,750
2015-08-20 Kraus Al Sale 10,000 7.26 72,630
2015-08-20 Kraus Al Option Ex 10,000 .88 8,750
2015-08-13 Kraus Al Sale 10,000 6.26 62,590
2015-08-13 Kraus Al Option Ex 10,000 .88 8,750
2015-08-06 Kraus Al Sale 10,000 6.48 64,830
2015-08-06 Kraus Al Option Ex 10,000 .88 8,750
2015-07-30 Kraus Al Sale 10,000 6.34 63,400
2015-07-30 Kraus Al Option Ex 10,000 .88 8,750
2015-07-23 Kraus Al Sale 10,000 6.28 62,779
2015-07-23 Kraus Al Option Ex 10,000 .88 8,750
2015-07-16 Kraus Al Sale 10,000 6.33 63,300
2015-07-16 Kraus Al Option Ex 10,000 .88 8,750
2015-07-09 Kraus Al Sale 10,000 5.98 59,780
2015-07-09 Kraus Al Option Ex 10,000 .88 8,750
2015-07-02 Kraus Al Sale 10,000 6.29 62,850
2015-07-02 Kraus Al Option Ex 10,000 .88 8,750
2015-06-25 Kraus Al Sale 10,000 7.43 74,350
2015-06-25 Kraus Al Option Ex 10,000 .88 8,750
2015-06-24 Kraus Al Sale 3,205 7.00 22,435
2015-06-24 Kraus Al Option Ex 3,205 5.50 17,627
2015-06-18 Kraus Al Sale 10,000 5.78 57,779
2015-06-18 Kraus Al Option Ex 10,000 .88 8,750
2015-06-11 Kraus Al Sale 10,000 6.29 62,880
2015-06-11 Kraus Al Option Ex 10,000 .88 8,750
2015-06-04 Kraus Al Sale 10,000 6.30 63,000
2015-06-04 Kraus Al Option Ex 10,000 .88 8,750
2015-05-28 Kraus Al Sale 10,000 6.33 63,250
2015-05-28 Kraus Al Option Ex 10,000 .88 8,750
2015-05-21 Kraus Al Sale 10,000 6.08 60,820
2015-05-21 Kraus Al Option Ex 10,000 .88 8,750
2015-05-14 Kraus Al Sale 10,000 6.00 60,000
2015-05-14 Kraus Al Option Ex 10,000 .88 8,750
2015-04-24 Capponi Vincent (Chief Operating Officer) Sale 4,000 7.50 30,000
2015-04-24 Capponi Vincent (Chief Operating Officer) Option Ex 4,000 .88 3,500
2014-10-14 Njtc Investment Fund, Lp Sale 5,752 .24 1,380
2014-10-10 Njtc Investment Fund, Lp Sale 8,300 .24 1,992
2014-10-09 Njtc Investment Fund, Lp Sale 41,331 .24 9,919
2014-09-15 Njtc Investment Fund, Lp Sale 704 6.00 4,224
2014-09-12 Njtc Investment Fund, Lp Sale 218 6.00 1,308
2014-09-11 Njtc Investment Fund, Lp Sale 1,000 6.00 6,000
2014-09-05 Njtc Investment Fund, Lp Sale 4,000 6.00 24,000
2014-08-28 Njtc Investment Fund, Lp Sale 8,576 5.90 50,598
2014-08-27 Njtc Investment Fund, Lp Sale 14,400 6.10 87,840
2014-08-26 Njtc Investment Fund, Lp Sale 40,000 6.01 240,400

Insider trading activities including stock purchases, stock sales, and option exercises of CTSO listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Cytosorbents Corp (symbol CTSO, CIK number 1175151) see the Securities and Exchange Commission (SEC) website.



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