OS Therapies Inc

OSTX
As of the close on Sep 25, 2026
Price
$1.66
Market cap
$76.6M
P/E (diluted TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
EPS (TTM)
—
A per-share figure for one of the last four quarters is not shown, so no four-quarter total is given
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How OS Therapies Inc Makes Money

No flow chart is shown because the available revenue and expense lines do not reconcile exactly. The reported financial history below remains available.

Financial Summary

Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.

Loading financial history…

SEC filings supply these figures; updates after the dates shown are not included. This page includes 3 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 15, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Reported 13F positions

Each row shows what a filer reported for one date, not a current position. The link opens that filing.

Filer Report date Shares Value Filing
STIFEL FINANCIAL CORP 2026-03-31 15,000 Not shown SEC filing
Beacon Pointe Advisors, LLC 2026-03-31 62,507 Not shown SEC filing
TWO SIGMA INVESTMENTS, LP 2026-03-31 26,380 Not shown SEC filing
GEODE CAPITAL MANAGEMENT, LLC 2026-03-31 280,045 Not shown SEC filing
FMR LLC 2026-03-31 2 Not shown SEC filing
CM Management, LLC 2026-03-31 400,000 Not shown SEC filing
BlackRock, Inc. 2026-03-31 64,772 Not shown SEC filing
UBS Group AG 2026-03-31 348,678 Not shown SEC filing
STATE STREET CORP 2026-03-31 91,200 Not shown SEC filing
MORGAN STANLEY 2026-03-31 9,490 Not shown SEC filing
HighTower Advisors, LLC 2026-03-31 15,200 Not shown SEC filing
BRIDGEWAY CAPITAL MANAGEMENT, LLC 2026-03-31 25,000 Not shown SEC filing
Caitong International Asset Management Co., Ltd 2026-03-31 17 Not shown SEC filing
Tower Research Capital LLC (TRC) 2026-03-31 4,179 Not shown SEC filing
Stratos Wealth Advisors, LLC 2026-03-31 13,817 Not shown SEC filing
JONES FINANCIAL COMPANIES LLLP 2026-03-31 12,921 Not shown SEC filing
MERCER GLOBAL ADVISORS INC /ADV 2026-03-31 10,220 Not shown SEC filing
SANDERS MORRIS HARRIS LLC 2026-03-31 32,000 Not shown SEC filing
XTX Topco Ltd 2026-03-31 31,622 Not shown SEC filing
JANE STREET GROUP, LLC 2026-03-31 40,316 Not shown SEC filing
  • Each value is checked against OS Therapies Inc's share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
  • Value not shown for 20 rows: no share price from within three months of their report dates is on file, so they could not be checked.

Filer report history

Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.

  • LPL Financial LLC: 10,113 shares reported 2025-12-31; 10,113 shares reported 2026-03-31.
  • ARMSTRONG ADVISORY GROUP, INC: 100 shares reported 2025-12-31; 100 shares reported 2026-03-31.
  • NORTHERN TRUST CORP: 71,309 shares reported 2025-12-31; 66,054 shares reported 2026-03-31.
  • INGALLS & SNYDER LLC: 36,676 shares reported 2025-12-31; 36,676 shares reported 2026-03-31.
  • SUSQUEHANNA INTERNATIONAL GROUP, LLP: 14,961 shares reported 2025-09-30; 448,737 shares reported 2026-03-31.
  • JANE STREET GROUP, LLC: 27,740 shares reported 2025-12-31; 40,316 shares reported 2026-03-31.
  • XTX Topco Ltd: 33,489 shares reported 2025-06-30; 31,622 shares reported 2026-03-31.
  • SANDERS MORRIS HARRIS LLC: 12,000 shares reported 2025-09-30; 32,000 shares reported 2026-03-31.
  • MERCER GLOBAL ADVISORS INC /ADV: 10,220 shares reported 2025-12-31; 10,220 shares reported 2026-03-31.
  • JONES FINANCIAL COMPANIES LLLP: 10,867 shares reported 2025-12-31; 12,921 shares reported 2026-03-31.
  • Stratos Wealth Advisors, LLC: 13,817 shares reported 2025-12-31; 13,817 shares reported 2026-03-31.
  • Tower Research Capital LLC (TRC): 88 shares reported 2025-12-31; 4,179 shares reported 2026-03-31.

Showing the 12 most recent filer reports.

13 filers have only one report here.

Purchases & sales (open market or private)

SecurityCodePriceFiling
2025-05-07Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareS — Open market or private sale−82,0002.00SEC filing
2025-04-10Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareS — Open market or private sale−10,0001.39SEC filing
2025-04-09Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareS — Open market or private sale−50,0121.35SEC filing
2025-02-14Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareS — Open market or private sale−100,0002.84SEC filing
2025-01-15Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareS — Open market or private sale−16,7206.74SEC filing

Showing 5 of 5 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-01-22Search Theodore F. · DirectorStock options (right to buy)A — Grant, award, or other acquisition+50,000SEC filing
2026-01-22Galzahr Karim · DirectorStock options (right to buy)A — Grant, award, or other acquisition+50,000SEC filing
2026-01-22Acevedo Christopher P. · Chief Financial OfficerStock options (right to buy)A — Grant, award, or other acquisition+100,000SEC filing
2026-01-22Ciccio John · DirectorStock options (right to buy)A — Grant, award, or other acquisition+50,000SEC filing
2026-01-22McKean-Dieser Avril Suzette · DirectorStock options (right to buy)A — Grant, award, or other acquisition+50,000SEC filing
2026-01-22Jarry Olivier Roger · DirectorStock options (right to buy)A — Grant, award, or other acquisition+50,000SEC filing
2026-01-22Romness Paul A. · President and CEOStock options (right to buy)A — Grant, award, or other acquisition+1,000,000SEC filing
2026-01-22PETIT ROBERT · See RemarksStock options (right to buy)A — Grant, award, or other acquisition+100,000SEC filing

Showing 8 of 20 rows

Other activity

SecurityCodeFiling
2025-02-28Romness Paul A. · President and CEOCommon Stock, par value $0.001 per shareJ — Other acquisition or disposition+225,000SEC filing
2025-02-27Auerbach Shalom · 10% ownerCommon Stock, par value $0.001 per shareJ — Other acquisition or disposition−225,000SEC filing

Showing 2 of 2 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.