Skip to main content
Signal8

WINDTREE THERAPEUTICS INC /DE/ (WINT)

Windtree Therapeutics, Inc. is a clinical-stage biopharmaceutical firm primarily dedicated to developing therapies for acute cardiovascular ailments, and secondarily for acute pulmonary diseases. Its prominent therapeutic programs include istaroxime, undergoing Phase IIb clinical trials for acute decompensated heart failure and Phase IIa for early cardiogenic shock; AEROSURF, an aerosolized KL4 surfactant in Phase IIb for respiratory distress syndrome in preterm infants; Lyophilized KL4 surfactant, in Phase IIa trials for lung injury stemming from COVID-19; and Rostafuroxin, in Phase IIb for genetically associated hypertension. The company maintains collaborations, including one with Universita degli Studi di Milano-Bicocca for the discovery and advancement of novel SERCA2a compounds targeting chronic and acute human heart failure. It also holds a strategic alliance with Laboratorios del Dr. Esteve, S.A. for the development, marketing, and commercialization of a portfolio of potential KL4 surfactant products, and a collaboration with Battelle Memorial Institute to further develop its ADS for its Phase III program. Established in 1992 as Discovery Laboratories, Inc., the company rebranded as Windtree Therapeutics, Inc. in April 2016. It is headquartered in Warrington, Pennsylvania, and operates as a subsidiary of Lee's Pharmaceutical Holdings Limited.

Sector: Biological Products, (No Diagnostic Substances)

Industry: Biotechnology

Windtree Therapeutics, Inc. logo

Windtree Therapeutics, Inc.

OTC:WINTHealthcare
$0.0004
Mkt Cap$13K
Float33.67M
O/S33.71M
Inst Own-
SI<0.1%
Dilution
Historical Data
DateOpenHighLowCloseVolume
Key Metrics
Market Cap$13,484
Enterprise Value--
P/E Ratio--
Est. Net Cash/Share--
Institutional Ownership0.00%

based on 33.71M shares outstanding

SectorHealthcare
IndustryBiotechnology
ExchangeOTC
CountryUSUS
IPO DateAug 7, 1995
Shares Outstanding33.71M
Float33.67M
Company Overview

Windtree Therapeutics, Inc. is a clinical-stage biopharmaceutical firm primarily dedicated to developing therapies for acute cardiovascular ailments, and secondarily for acute pulmonary diseases.

Its prominent therapeutic programs include istaroxime, undergoing Phase IIb clinical trials for acute decompensated heart failure and Phase IIa for early cardiogenic shock; AEROSURF, an aerosolized KL4 surfactant in Phase IIb for respiratory distress syndrome in preterm infants; Lyophilized KL4 surfactant, in Phase IIa trials for lung injury stemming from COVID-19; and Rostafuroxin, in Phase IIb for genetically associated hypertension.

The company maintains collaborations, including one with Universita degli Studi di Milano-Bicocca for the discovery and advancement of novel SERCA2a compounds targeting chronic and acute human heart failure.

It also holds a strategic alliance with Laboratorios del Dr. Esteve, S.A. for the development, marketing, and commercialization of a portfolio of potential KL4 surfactant products, and a collaboration with Battelle Memorial Institute to further develop its ADS for its Phase III program. Established in 1992 as Discovery Laboratories, Inc., the company rebranded as Windtree Therapeutics, Inc. in April 2016.

It is headquartered in Warrington, Pennsylvania, and operates as a subsidiary of Lee's Pharmaceutical Holdings Limited.

Leadership

Craig E. Fraser

President, Chief Executive Officer and Chairman

George Cox

Vice President of Technical Operations

Pratap Paruchuru

Executive Director of Clinical Development

Tracy Rarick

Head of Operations & Program Management

Independent: 3 of 4 listed

Employees

14

Country

US

Sector

Healthcare

Website

windtreetx.com

Analyst Coverage
Analyst Coverage
ConsensusBuy
Price Target
No price targets available
Ratings Distribution
BUY
3
HOLD
2
SELL
0
TOTAL5
Insider Trades
InsiderTypeShares
Fraser Craig profile photoFraser CraigPurchase5.4K
Shareholders
0.0%
Institutional
(0)
0.0%
Insiderⓘ
(1)
0.0%
5%+ Owners
(0)
100.0%
Unattributed (incl. retail)ⓘ
Insider0.0%
Unattributed (incl. retail)100.0%
Top Shareholders
NameShares%
Fraser Craig profile photo
Fraser Craig
President and CEO, Director
1730.0%
Sources: Form 4, 13D/13GO/S: 33.7M · as of 14 Nov 2025 · SEC cover page
Insiders & Institutional Holders

Insiders

52-Week Range
$0.0001$0.1210
$0.0004(0th percentile)
Volume
Average Daily Volume19.38K
2.05K today vs 19.38K avg(-89%)

30d Avg

19.38K

60d Avg

19.06K

90d Avg

50.60K

Earnings
Dividend History
No dividend history available
Compliance Status
Loading compliance data...