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OS Therapies Incorporated

OSTX
Healthcare|Biotechnology|US
$1.00
+0.02 (+2.03%)
Cash / Share
$0.00

Ownership Breakdown

57.0%
Float
46.8M
Shares Outstanding
26.7M
Float Shares

Major Holders (4)

Combined: 36.3%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
Ayala Pharmaceuticals, Inc.Corporation9.99%2,164,215Apr 16, 202513D/G
Thomas A. Satterfield, Jr.Individual9.40%3,115,681Aug 13, 202513D/G
Shalom AuerbachIndividual8.50%2,677,570Aug 18, 202513D/G
Einodmil LLCOther8.40%2,654,199Aug 18, 202513D/G

Insider Trades (100)

Last 4 quarters: 4,348,597 acquired · 483,732 disposed
InsiderPositionDateTypeSharesPriceValueFiling
PETIT ROBERTSee RemarksOct 22, 2026AWARD200,000$1.25$250.0KForm 4
McKean-Dieser Avril SuzettedirectorOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Romness Paul A.director, officer: President and CEOOct 22, 2026AWARD900,000$1.25$1.1MForm 4
Search Theodore F.directorOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Ciccio JohndirectorOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Jarry Olivier RogerdirectorOct 22, 2026AWARD300,000$1.25$375.0KForm 4
EAGLE CRAIGdirectorOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Francis Knuettel IIChief Financial OfficerOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Clem Kerry MChief Commercial OfficerOct 22, 2026AWARD300,000$1.25$375.0KForm 4
Clem Kerry MChief Commercial OfficerSep 29, 2026OTHER0——Form 4
Clem Kerry MChief Commercial OfficerSep 29, 2026OTHER30,000$1.80$54.0KForm 4
Francis Knuettel IIChief Financial OfficerSep 29, 2026OTHER0——Form 4
EAGLE CRAIGdirector: Jul 1, 2026OTHER0——Form 4
Romness Paul A.director, officer: President and CEODec 31, 2024OTHER0——Form 4
Romness Paul A.director, officer: President and CEODec 5, 2024AWARD500,000$1.86$930.0KForm 4
McKean-Dieser Avril SuzettedirectorJan 22, 2026AWARD50,000$1.34$67.0KForm 4
Search Theodore F.directorJan 22, 2026AWARD50,000$1.34$67.0KForm 4
Ciccio JohndirectorJan 22, 2026AWARD50,000$1.34$67.0KForm 4
Acevedo Christopher P.Chief Financial OfficerJan 22, 2026AWARD100,000$1.34$134.0KForm 4
PETIT ROBERTSee RemarksJan 22, 2026AWARD100,000$1.34$134.0KForm 4
Romness Paul A.director, officer: President and CEOJan 22, 2026AWARD1,000,000$1.34$1.3MForm 4
Jarry Olivier RogerdirectorJan 22, 2026AWARD50,000$1.34$67.0KForm 4
Galzahr KarimdirectorJan 22, 2026AWARD50,000$1.34$67.0KForm 4
Romness Paul A.director, officer: President and CEOOct 21, 2025AWARD1,000,000$1.80$1.8MForm 4
Search Theodore F.directorOct 21, 2025AWARD140,000$1.80$252.0KForm 4
PETIT ROBERTSee RemarksOct 21, 2025AWARD500,000$1.80$900.0KForm 4
Romness Paul A.director, officer: President and CEOOct 21, 2025AWARD1,950,000$1.80$3.5MForm 4
Jarry Olivier RogerdirectorOct 21, 2025AWARD140,000$1.80$252.0KForm 4
Galzahr KarimdirectorOct 21, 2025AWARD140,000$1.80$252.0KForm 4
Ciccio JohndirectorOct 21, 2025AWARD140,000$1.80$252.0KForm 4
Acevedo Christopher P.Chief Financial OfficerOct 21, 2025AWARD200,000$1.80$360.0KForm 4
McKean-Dieser Avril SuzettedirectorOct 21, 2025AWARD140,000$1.80$252.0KForm 4
Auerbach ShalomMay 9, 2025OTHER0——Form 4
Auerbach Shalom10 percent ownerMay 7, 2025SELL82,000$2.00$163.9KForm 4
Auerbach Shalom10 percent ownerApr 9, 2025SELL50,012$1.35$67.7KForm 4
Auerbach Shalom10 percent ownerApr 10, 2025SELL10,000$1.39$13.9KForm 4
Romness Paul A.director, 10 percent owner, officer: President and CEOFeb 28, 2025J225,000——Form 4
Auerbach Shalom10 percent ownerFeb 27, 2025DISPOSED225,000$1.64$369.0KForm 4
Auerbach Shalom10 percent ownerJul 31, 2024OTHER0——Form 4
Auerbach Shalom10 percent ownerFeb 14, 2025SELL100,000$2.84$284.3KForm 4
Search Theodore F.directorDec 31, 2024OTHER0——Form 4
Search Theodore F.directorDec 5, 2024AWARD40,000$1.86$74.4KForm 4
Search Theodore F.directorDec 31, 2024OTHER0——Form 4
Romness Paul A.director, 10 percent owner, officer: President and CEODec 31, 2024OTHER0——Form 4
Romness Paul A.director, 10 percent owner, officer: President and CEODec 5, 2024AWARD800,000$1.86$1.5MForm 4
McKean-Dieser Avril SuzettedirectorDec 5, 2024AWARD40,000$1.86$74.4KForm 4
McKean-Dieser Avril SuzettedirectorDec 31, 2024OTHER0——Form 4
Jarry Olivier RogerdirectorDec 5, 2024AWARD40,000$1.86$74.4KForm 4
GODDARD COLINdirectorDec 5, 2024AWARD400,000$1.86$744.0KForm 4
GODDARD COLINdirectorDec 31, 2024OTHER0——Form 4
GODDARD COLINdirectorDec 31, 2024OTHER0——Form 4
Ciccio JohndirectorDec 31, 2024OTHER0——Form 4
Ciccio JohndirectorDec 5, 2024AWARD40,000$1.86$74.4KForm 4
Ciccio JohndirectorDec 31, 2024OTHER0——Form 4
Acevedo Christopher P.Chief Financial OfficerDec 5, 2024AWARD200,000$1.86$372.0KForm 4
Acevedo Christopher P.Chief Financial OfficerDec 31, 2024OTHER0——Form 4
Galzahr KarimdirectorJan 28, 2025OTHER40,000$1.86$74.4KForm 4
Auerbach Shalom10 percent ownerJan 15, 2025SELL16,720$6.74$112.6KForm 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION50,838——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION178,135——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION51,035——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION179,027——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION88,940——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION78,710——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION131,472——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION53,468——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION270,465——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION27,486——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION633,980——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION23,371——Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION0$1.31—Form 4
Auerbach Shalom10 percent ownerAug 2, 2024CONVERSION0$2.00—Form 4
Auerbach Shalom10 percent ownerJul 31, 2024OTHER0——Form 4
Auerbach Shalom10 percent ownerJul 31, 2024OTHER0——Form 4
Jarry Olivier Rogerdirector: Oct 28, 2024OTHER0——Form 4
McKean-Dieser Avril SuzettedirectorOct 28, 2024OTHER0——Form 4
Search Theodore F.directorAug 2, 2024CONVERSION30,264$50000.00$1.51BForm 4
Search Theodore F.directorAug 2, 2024CONVERSION266,306$75000.00$19.97BForm 4
Search Theodore F.directorAug 2, 2024CONVERSION101,765$25000.00$2.54BForm 4
Ciccio JohndirectorAug 2, 2024CONVERSION30,264$50000.00$1.51BForm 4
Ciccio JohndirectorAug 2, 2024CONVERSION266,306$75000.00$19.97BForm 4
Ciccio JohndirectorAug 2, 2024CONVERSION101,765$25000.00$2.54BForm 4
Search Theodore F.directorJul 31, 2024OTHER0——Form 4
Search Theodore F.directorJul 31, 2024DISPOSED0——Form 4
Search Theodore F.directorJul 31, 2024OTHER0——Form 4
Romness Paul A.director, 10 percent owner, officer: President and CEOJul 31, 2024DISPOSED0——Form 4
PETIT ROBERTSee RemarksJul 31, 2024DISPOSED0——Form 4
GODDARD COLINdirectorJul 31, 2024OTHER0——Form 4
GODDARD COLINdirectorJul 31, 2024DISPOSED0——Form 4
Ciccio JohndirectorJul 31, 2024OTHER0——Form 4
Ciccio JohndirectorJul 31, 2024DISPOSED0——Form 4
Ciccio JohndirectorJul 31, 2024OTHER0——Form 4
Borg Joacimdirector: Jul 31, 2024OTHER0——Form 4
Acevedo Christopher P.Chief Financial OfficerJul 31, 2024DISPOSED0——Form 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED50,000$2.53$126.5KForm 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED700,000$3.13$2.2MForm 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED100,000$1.39$139.0KForm 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED140,000$1.00$140.0KForm 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED208,000$2.13$443.0KForm 4
BOLOGNA THOMAS Adirector, officer: President and CEOJun 30, 2003DISPOSED150,000$1.00$150.0KForm 4