Skip to main content

Cytosorbents Corp insider trading

CTSONASDAQ
$4.05-0.14 (-3.23%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-79.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

Premium
Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Unlock quarterly net flow

Key players

  • PPPhillip P. ChanChief Executive Officer0.1607%of company
  • VCVincent CapponiPresident and COO0.0643%of company
  • PJPeter J. MarianiChief Financial Officer0.0508%of company
  • EDEfthymios DeliargyrisChief Medical Officer0.0376%of company
  • ADAlan D. SobelDirector0.0157%of company
  • MGMichael G. BatorDirector0.012%of company
  • EREdward Raymond JonesDirector0.0071%of company
  • JKJiny KimDirector0.0062%of company

AI Activity Analysis

Premium
Coming soonAI reads of insider activity will appear here for Premium accounts.

Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
CTSOPhillip P. ChanChief Executive OfficerOpen market purchase$22.6K+3.9%$6.00$22.6KSep 15, 2026Sep 16, 2026
CTSOAlan D. SobelDirectorOpen market purchase$601+1.0%$6.01$601Sep 15, 2026Sep 16, 2026
CTSOAlan D. SobelDirectorOpen market purchase$3.03K+5.4%$6.05$3.03KSep 15, 2026Sep 16, 2026
CTSOAlan D. SobelDirectorOpen market purchase$11.6K+25.7%$6.12$11.6KSep 15, 2026Sep 16, 2026
CTSOVincent CapponiPresident and COOOpen market purchase$1.61K+0.7%$5.90$1.61KSep 14, 2026Sep 16, 2026
CTSOVincent CapponiPresident and COOOpen market purchase$10.9K+4.7%$6.07$10.9KSep 14, 2026Sep 16, 2026
CTSOPhillip P. ChanChief Executive OfficerOpen market purchase$70K+11.5%$0.35$70KSep 4, 2026Sep 9, 2026
CTSOPeter J. MarianiChief Financial OfficerOpen market purchase$44K+18.6%$0.44$44KJun 15, 2026Jun 16, 2026
CTSOPhillip P. ChanChief Executive OfficerOpen market purchase$4.44K+0.6%$0.43$4.44KJun 15, 2026Jun 15, 2026
CTSOPhillip P. ChanChief Executive OfficerOpen market purchase$100K+16.9%$0.40$100KJun 12, 2026Jun 15, 2026
End of history · 10 transactions

Not investment advice. We make every effort to keep the information on SpoorBase accurate, but errors may occur. SpoorBase does not guarantee the accuracy or completeness of any data, and any use of the information is at the user’s sole responsibility. Valuation multiples are calculated by SpoorBase and may contain errors. See Disclosures. © 2026 SpoorBase. All rights reserved.