Logo image of CTSO

CYTOSORBENTS CORP (CTSO) Stock Ownership and Short Interest

USA - NASDAQ:CTSO - US23283X2062 - Common Stock

0.7216 USD
+0.01 (+1.98%)
Last: 11/10/2025, 8:00:00 PM
CTSO Ownership Chart.CTSO Ownership Chart: showing Insider, Institutional ownership and shares available to the public.CTSO Ownership.InsiderInstitutionalPublic



Shares Outstanding62.76M
Float53.06M
Float Short Interest Percentage2.48%
Owners (insider)9.06%
Owners (institutional)26.47%
Owners (insider) change1.46%
Owners (institutional) change-2.48%
CTSO Institutional Ownership HistoryCTSO Institutional Ownership HistoryCTSO Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 5M 10M 15M
CTSO Historical Insider Transactions ChartCTSO Historical Insider Buy and Sell Transactions ChartCTSO Historical Insider Transactions Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 50K 100K 150K 200K
Date Name Type Shares Price Amount
Aug 8, 2025 Chan Phillip P. Grant 105600 0.00 $ 0.00
Feb 24, 2025 MARIANI PETER J Other Aquisition 32625 1.13 $ 36,866.25
Feb 24, 2025 Chan Phillip P. Other Aquisition 34168 1.13 $ 38,609.84
Feb 24, 2025 Sobel Alan D. Other Aquisition 21950 1.13 $ 24,803.50
Feb 24, 2025 Capponi Vincent Other Aquisition 12000 1.13 $ 13,560.00
Jan 17, 2025 BATOR MICHAEL G. Other Aquisition 15879 1.00 $ 15,879.00
Jan 17, 2025 Capponi Vincent Other Aquisition 31760 1.00 $ 31,760.00
Jan 17, 2025 Deliargyris Efthymios Other Aquisition 16233 1.00 $ 16,233.00
Jan 17, 2025 Sobel Alan D. Other Aquisition 21950 1.00 $ 21,950.00
Jan 17, 2025 Chan Phillip P. Other Aquisition 90832 1.00 $ 90,832.00
Jan 17, 2025 MARIANI PETER J Other Aquisition 32625 1.00 $ 32,625.00
Dec 13, 2024 MARIANI PETER J Open Market Purchase 20000 0.96 $ 19,294.00
Dec 11, 2024 MARIANI PETER J Open Market Purchase 31363 0.89 $ 27,974.84