OSTX

OS Therapies Inc

NYSE · Pharmaceutical Preparations · Inc. DE · CIK 0001795091
$1.79 +0.56% $79.7M
Vol
Market Cap$79.7M
Cap SizeMicro Cap
Analyst ConsensusStrong Buy (89%)
Inst. Holders4 funds
Inst. Value$880.6K
Inst. Activity1 buys / 0 sells
Exchange NYSE·Sector Pharmaceutical Preparations·Inc. DE·CIK 0001795091·Prev Close $1.78

Recent Activity

May 18, 2026 short_volume
Short Volume: OSTX — 60.9% short (0.6M / 0.9M)
Short: 577,260 | Exempt: 78,309 | TRF Vol: 948,113 | Short Ratio: 60.9% | Off-exchange volume (dark
Jan 22, 2026 Insider
Galzahr Karim sold 50,000 shares
Director @ $0.00 ($0.00)
Jan 22, 2026 Insider
Acevedo Christopher P. sold 100,000 shares
Chief Financial Officer @ $0.00 ($0.00)
Jan 22, 2026 Insider
Jarry Olivier Roger sold 50,000 shares
Director @ $0.00 ($0.00)
Inst.
VANGUARD GROUP INC — DOUBLED
540,421 shares ($756.6K)
Inst.
VANGUARD GROUP INC — NEW
188,263 shares ($369.0K)

Price Targets

$9.40 +440.1% upside Strong Buy
Current $1.74 Low $6.00 Median $9.30 High $13.00 4 analysts
$6.00 $13.00

Analyst Ratings

Strong Buy89% buy · 9 analysts
2Strong Buy
6Buy
1Hold
0Sell
0Strong Sell
Recent Analyst Actions
DateFirmActionRating
May 19, 2026 Lake Street MAINTAIN Buy → Buy
Apr 30, 2026 D. Boral Capital MAINTAIN Buy → Buy
Apr 8, 2026 D. Boral Capital MAINTAIN Buy → Buy
Mar 27, 2026 D. Boral Capital MAINTAIN Buy → Buy
Mar 9, 2026 D. Boral Capital MAINTAIN Buy → Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-0.17 ▲ +15.4% $-0.23 — $-0.10 13% YoY 2
Next Q $-0.14 ▼ -383.3% $-0.19 — $-0.10 31% YoY 2
Current FY $-0.69 ▼ -54.5% $-0.84 — $-0.54 33% YoY 2
Next FY $-0.21 ▲ +29.1% $-0.29 — $-0.14 69% YoY 2

Top Institutional Holders

FundValueMove
VANGUARD GROUP INC$756.6KDOUBLED
TWO SIGMA INVESTMENTS, LP$122.6KNEW
MORGAN STANLEY$1.4KADD
BANK OF AMERICA CORP$32.00

Recent Insider Trades

DateInsiderTypeValue
Jan 22, 2026Galzahr KarimA$0.00
Jan 22, 2026Acevedo ChristopherA$0.00
Jan 22, 2026Jarry OlivierA$0.00
Jan 22, 2026PETIT ROBERTA$0.00
Jan 22, 2026Ciccio JohnA$0.00
4 institutional holders with $880.6K total value (628,981 shares) as of 2025-Q4. Top holders: VANGUARD, TWO, MORGAN. Net buying activity: 1 institutions added/increased vs 0 reduced.

Top Institutional Holders — 2025-Q4

#FundSharesValue% of TrackedLast Move
1VANGUARD GROUP INC540,421$756.6K85.9%DOUBLED +187.1%
2TWO SIGMA INVESTMENTS, LP87,537$122.6K13.9%NEW
3MORGAN STANLEY1,000$1.4K0.2%ADD +35.1%
4BANK OF AMERICA CORP /DE/23$32.000.0%

Recent Position Changes

FundActionPrev SharesCurr SharesChange %ValueQuarter
VANGUARD GROUP INCDOUBLED188,263540,421+187.1%$756.6K2025-Q4
VANGUARD GROUP INCNEW188,263$369.0K2025-Q3
TWO SIGMA INVESTMENTS, LPNEW86,247$169.0K2025-Q3
MORGAN STANLEYADD7401,000+35.1%$2.0K2025-Q3
UBS Group AGNEAR_EXIT52,817227-99.6%$445.002025-Q3
UBS Group AGNEW52,817$99.3K2025-Q2
MORGAN STANLEYDOUBLED3740+24566.7%$1.4K2025-Q2
MORGAN STANLEYNEAR_EXIT1,8813-99.8%$5.002025-Q1
UBS Group AGEXIT3,8060-100.0%$0.002024-Q4
8 unique insiders with 0 transactions. Net insider value: $0.00 ($0.00 bought, $0.00 sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
Jan 22, 2026Galzahr KarimDirectorA50,000$0.00$0.00
Jan 22, 2026Acevedo Christopher P.Chief Financial OfficerA100,000$0.00$0.00
Jan 22, 2026Jarry Olivier RogerDirectorA50,000$0.00$0.00
Jan 22, 2026PETIT ROBERTSee RemarksA100,000$0.00$0.00
Jan 22, 2026Ciccio JohnDirectorA50,000$0.00$0.00
Jan 22, 2026McKean-Dieser Avril SuzetteDirectorA50,000$0.00$0.00
Jan 22, 2026Romness Paul A.President and CEOA1,000,000$0.00$0.00
Jan 22, 2026Search Theodore F.DirectorA50,000$0.00$0.00
Oct 21, 2025Romness Paul A.President and CEOA1,000,000$0.00$0.00

No SEC filing reports analyzed yet. Reports are generated when new filings are detected and processed by the LLM pipeline.

No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.

Current analyst consensus: Strong Buy (89% buy). Based on 9 analysts: 2 strong buy, 6 buy, 1 hold, 0 sell, 0 strong sell.

Analyst Price Targets

$9.40 mean target +440.1% upside Strong Buy (1.33)
$6.00 Low $13.00 High
MetricValue
Current Price$1.74
Target Low$6.00
Target Mean$9.40
Target Median$9.30
Target High$13.00
# Analysts4
RecommendationStrong Buy (1.33)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-0.17 $-0.23 $-0.10 13.2% +15.4% $0.0B 0.0% 2
Next Q
2026-09-30
$-0.14 $-0.19 $-0.10 30.9% -383.3% $0.0B 0.0% 2
Current FY
2026-12-31
$-0.69 $-0.84 $-0.54 33.1% -54.5% 0↑ 2↓ $0.0B 0.0% 2
Next FY
2027-12-31
$-0.21 $-0.29 $-0.14 68.8% +29.1% 1↑ 1↓ $0.0B 0.0% 2

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-0.165
7d ago$-0.100-0.065
30d ago$-0.195+0.030
60d ago$-0.200+0.035
90d ago$-0.140-0.025
2 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 0 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
May 19, 2026 Lake Street MAINTAIN Buy Buy
Apr 30, 2026 D. Boral Capital MAINTAIN Buy Buy
Apr 8, 2026 D. Boral Capital MAINTAIN Buy Buy
Mar 27, 2026 D. Boral Capital MAINTAIN Buy Buy
Mar 9, 2026 D. Boral Capital MAINTAIN Buy Buy
Feb 5, 2026 D. Boral Capital MAINTAIN Buy Buy
Jan 5, 2026 D. Boral Capital MAINTAIN Buy Buy
Dec 15, 2025 D. Boral Capital MAINTAIN Buy Buy

Monthly Consensus History

PeriodStrong BuyBuyHoldSellStrong SellBuy %Distribution
Jun 1, 20262610089%
May 1, 20262710090%
Apr 1, 20262710090%
Mar 1, 20262710090%
Feb 1, 20262710090%
Jan 1, 20262710090%
Strong BuyBuyHoldSellStrong Sell

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.

May 18, 2026
short_volume
Short Volume: OSTX — 60.9% short (0.6M / 0.9M)
Short: 577,260 | Exempt: 78,309 | TRF Vol: 948,113 | Short Ratio: 60.9% | Off-exchange volume (dark pool + OTC)
May 15, 2026
earnings_calendar
OSTX Q1 2026 Earnings Scheduled — 2026-05-15
Apr 6, 2026
earnings_calendar
OSTX Q4 2025 Earnings Scheduled — 2026-04-06