Companies / OS Therapies Inc

OS Therapies Inc

NYSE: OSTXCIK 1795091ROCKVILLE, MD

Financials

Revenue—
Net income$-28.75M
Total debt$250.0K
Cash—
Diluted EPS$-0.98
Shares outstanding44.5M

Ownership

44.5M shares outstanding · as of May 14, 2026
4.6%Institutions
Ownership
Institutions4.58%2,038,535
Public float95.42%42,499,571

% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.

Insiders 8

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Insider% of sharesShares
Acevedo Christopher P.Chief Financial Officer
——
Ciccio JohnDirector
——
Galzahr KarimFormerDirector
——
Jarry Olivier RogerDirector
——
McKean-Dieser Avril SuzetteDirector
——
Petit RobertSee Remarks
——
Romness Paul A.CEOPresident and CEO · Director
——
Search Theodore F.Director
——

Institutional holders 27

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HolderValue% of shares
Vanguard Group Inc$756.6K1.21%
CM Management, LLC$560.0K0.90%
BlackRock, Inc.$460.7K0.54%
Geode Capital Management, LLC$394.9K0.63%
State Street Corporation$228.2K0.27%
Marshall Wace, LLP$153.9K0.25%
Northern Trust Corp$99.8K0.16%
Sanders Morris Harris LLC$45.1K0.07%
Millennium Management LLC$43.1K0.07%
Jane Street Group, LLC$38.8K0.06%

Activity

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InsidersInstitutions
What insiders are doing in this stock (Form 4).
DateActorActionSecurityValueShares ΔPosition afterImpact
Jan 22, 2026McKean-Dieser Avril Suzette
Director
GrantStock options (right to buy)—+50K
50,000
0.11% of shares
low
Jan 22, 2026Search Theodore F.
Director
GrantStock options (right to buy)—+50K
50,000
0.11% of shares
low
Jan 22, 2026Ciccio John
Director
GrantStock options (right to buy)—+50K
50,000
0.11% of shares
low
Jan 22, 2026Acevedo Christopher P.
Executive
GrantStock options (right to buy)—+100K
100,000
0.22% of shares
low
Jan 22, 2026Petit Robert
Executive
GrantStock options (right to buy)—+100K
100,000
0.22% of shares
low
Jan 22, 2026Romness Paul A.
CEO
GrantStock options (right to buy)—+1.0M
1,000,000
2.25% of shares
low
Jan 22, 2026Jarry Olivier Roger
Director
GrantStock options (right to buy)—+50K
50,000
0.11% of shares
low
Jan 22, 2026Galzahr Karim
Director
GrantStock options (right to buy)—+50K
50,000
0.11% of shares
low

Securities

via CUSIP / OpenFIGI
SymbolTypeMarketCUSIPFIGI
OSTXCommon StockEquity68764Y207BBG00Y71N7G7