NASDAQ:CTSO

Cytosorbents Stock Insider Trading

etoro logo Buy CTSO
*Your capital is at risk
$0.656
-0.0038 (-0.576%)
At Close: Nov 17, 2025

Cytosorbents Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 61.25. In total, the insiders bought 3.49M and sold 651.8K CTSO shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
61.25
Buy 3.49M shares
Sell 651.8K shares
78% Buy Activity
Negligible or No Correlation
Buy Signal High Confidence
Aug 08, 2025

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 61.25.
  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (78% buys).

Historical Insider Trades

Date Type Person Role Amount
Aug 08, 2025
Buy
Common Stock
A-Award
Chan Phillip P.
Chief Executive Officer
CEO / President 105 600
Value: $105.6K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Chan Phillip P.
Chief Executive Officer
CEO / President 136 400
Value: $136.4K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Jones Edward Raymond
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Bator Michael G.
Director
Director 44 000
Value: $44.0K
Aug 08, 2025
Buy
Common Stock
A-Award
Mariani Peter J
Chief Financial Officer
C-Suite Officer 71 500
Value: $71.5K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Mariani Peter J
Chief Financial Officer
C-Suite Officer 90 000
Value: $90.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Kim Jiny
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Common Stock
A-Award
Capponi Vincent
President And COO
CEO / President 89 100
Value: $89.1K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Capponi Vincent
President And COO
CEO / President 111 100
Value: $111.1K
Aug 08, 2025
Buy
Common Stock
A-Award
Deliargyris Efthymios
Chief Medical Officer
Officer 70 000
Value: $70.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Deliargyris Efthymios
Chief Medical Officer
Officer 95 000
Value: $95.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Sobel Alan D.
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Sobel Alan D.
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Deliargyris Efthymios
Chief Medical Officer
Officer 95 000
Value: $95.0K
Aug 08, 2025
Buy
Common Stock
A-Award
Deliargyris Efthymios
Chief Medical Officer
Officer 70 000
Value: $70.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Capponi Vincent
President And COO
CEO / President 111 100
Value: $111.1K
Aug 08, 2025
Buy
Common Stock
A-Award
Capponi Vincent
President And COO
CEO / President 89 100
Value: $89.1K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Kim Jiny
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Mariani Peter J
Chief Financial Officer
C-Suite Officer 90 000
Value: $90.0K
Aug 08, 2025
Buy
Common Stock
A-Award
Mariani Peter J
Chief Financial Officer
C-Suite Officer 71 500
Value: $71.5K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Bator Michael G.
Director
Director 44 000
Value: $44.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Jones Edward Raymond
Director
Director 22 000
Value: $22.0K
Aug 08, 2025
Buy
Stock Option (Right to Buy)
A-Award
Chan Phillip P.
Chief Executive Officer
CEO / President 136 400
Value: $136.4K
Aug 08, 2025
Buy
Common Stock
A-Award
Chan Phillip P.
Chief Executive Officer
CEO / President 105 600
Value: $105.6K
Feb 24, 2025
Buy
Common Stock
O-OutOfTheMoney
Bator Michael G.
Director
Director 10 000
Value: $11.3K

About Insider Power

Insider Power is a proprietary algorithm developed by Stockinvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT CYTOSORBENTS CORPORATION
Cytosorbents
Cytosorbents Corporation engages in the research, development, and commercialization of medical devices with its blood purification technology platform incorporating a proprietary adsorbent and porous polymer technology. Its flagship product is CytoSorb, an extracorporeal cytokine filter for adjunctive therapy in the treatment of sepsis, adjunctive therapy in other critical care applications, prevention and treatment of perioperative complication...
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