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OS THERAPIES INC (OSTX) Stock Ownership and Short Interest

USA - NYSE Arca - NYSEARCA:OSTX - US68764Y2072 - Common Stock

1.71 USD
+0.09 (+5.56%)
Last: 11/21/2025, 8:04:00 PM
1.69 USD
-0.02 (-1.17%)
After Hours: 11/21/2025, 8:04:00 PM
OSTX Ownership Chart.OSTX Ownership Chart: showing Insider, Institutional ownership and shares available to the public.OSTX Ownership.InsiderInstitutionalPublic



Shares Outstanding33.53M
Float23.67M
Float Short Interest Percentage1.45%
Owners (insider)15.93%
Owners (institutional)1.91%
Owners (insider) change0%
Owners (institutional) change158.93%
OSTX Institutional Ownership HistoryOSTX Institutional Ownership HistoryOSTX Institutional Ownership History Sep 2024 Dec 2024 Mar 2025 Jun 2025 Sep 2025 500K 1M 1.5M
OSTX Historical Insider Transactions ChartOSTX Historical Insider Buy and Sell Transactions ChartOSTX 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 -100K -200K -300K -400K
Date Name Type Shares Price Amount
May 7, 2025 Auerbach Shalom Open Market Sale 82000 2.00 $ 163,918.00
May 7, 2025 Einodmil LLC Open Market Sale 82000 2.00 $ 163,918.00
Apr 9, 2025 Auerbach Shalom Open Market Sale 60012 1.36 $ 81,566.24
Apr 9, 2025 Einodmil LLC Open Market Sale 60012 1.36 $ 81,566.24
Feb 28, 2025 Romness Paul A. Other Aquisition 225000 0.00 $ 0.00
Feb 27, 2025 Auerbach Shalom Other Disposition 225000 1.64 $ 369,000.00
Feb 27, 2025 Einodmil LLC Other Disposition 225000 1.64 $ 369,000.00
Feb 14, 2025 Auerbach Shalom Open Market Sale 100000 2.84 $ 284,300.00
Feb 14, 2025 Einodmil LLC Open Market Sale 100000 2.84 $ 284,300.00
Jan 15, 2025 Auerbach Shalom Open Market Sale 16720 6.74 $ 112,609.20
Jan 15, 2025 Einodmil LLC Open Market Sale 16720 6.74 $ 112,609.20