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WINTOTCBiological Products, (No Diagnostic Substances)Fiscal year ends December 31

WINDTREE THERAPEUTICS INC /DE/

Financials through Q3 FY2025, quarter ended Sep 30, 2025Last filing: 10-Q on Nov 19, 2025
$0.00+0.00 (0.00%)

Close on Oct 19, 2026

Market cap
$26.68K
P/E (TTM)
–
Dividend yield
–

About Windtree Therapeutics

Biological Products, (No Diagnostic Substances), SIC 2836

The company is a clinical-stage biotechnology enterprise dedicated to developing therapies for critical cardiovascular and oncology diseases. Its development pipeline features istaroxime, a Phase 2 drug candidate targeting acute heart failure and cardiogenic shock, alongside preclinical SERCA2a activators and rostafuroxin for hypertension. Through asset acquisitions, the organization also develops topical and oral formulations of atypical protein kinase C iota inhibitors aimed at cutaneous and solid tumor cancers. It operates an out-licensing model to partner on drug development and commercialization, while actively pursuing strategic acquisitions of small biotech firms with regulatory-approved commercial products.

The business manages clinical development operations and research collaborations internationally, including a regional licensing agreement covering Greater China and partnerships involving academic and charitable cancer research institutions located in the United Kingdom. Its cardiovascular clinical trials encompass global multi-center programs evaluating therapies across North America and Europe. The provided text does not disclose the location of the company's corporate headquarters or specific facility counts.

Summary of the business section of Windtree Therapeutics's latest annual report, written by StockData.

Company profile

Company

Legal name
WINDTREE THERAPEUTICS INC /DE/
Headquarters
Warrington, PA
Address
2600 Kelly Road, Suite 100 18976
Phone
(215) 488-9300
Employees
14, Dec 31, 2024
Industry
Biological Products, (No Diagnostic Substances)
Incorporated in
Delaware
Fiscal year ends
December 31
Auditor
EisnerAmper LLP, Philadelphia, Pennsylvania

Stock & identifiers

Ticker
WINT
Exchange
OTC
Shares outstanding
34M, Nov 14, 2025
Public float
$1.90M, Jun 28, 2024
Filer category
Non-accelerated filer<br>Smaller reporting company
Stock splits
1-for-50 reverse, Feb 21, 2025; 1-for-18 reverse, May 15, 2024; 1-for-18 reverse, Apr 22, 2024; 1-for-50 reverse, Mar 31, 2023; 1-for-50 reverse, Feb 24, 2023; 1-for-3 reverse, May 13, 2020; 1-for-3 reverse, Apr 29, 2020; 1-for-20 reverse, Apr 17, 2018; 1-for-20 reverse, Dec 22, 2017; 1-for-14 reverse, Mar 29, 2016; 1-for-14 reverse, Jan 22, 2016; 1-for-15 reverse, Dec 28, 2010; 1-for-3 reverse, Dec 1, 1997
SEC CIK
946486
EIN
94-3171943

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Andrew Albert KucharchukDirector–
Leanne KellyDirector–

Employees

Headcount reported in annual reports

“As of April 15, 2025 , we had 14 full-time employees, 11 of whom are based in the U.S.”

Corporate history

Events identified from SEC filings

DateEventDetails
Apr 1, 2026Late filingNotification of late filing
Nov 14, 2025Late filingNotification of late filing
Aug 20, 2025Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Aug 14, 2025Late filingNotification of late filing
Jun 20, 2025Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
May 16, 2025Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Mar 31, 2025Late filingNotification of late filing
Dec 5, 2024Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Nov 27, 2024Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Nov 15, 2024Late filingNotification of late filing
Aug 14, 2024Late filingNotification of late filing
Apr 2, 2024Late filingNotification of late filing
Jan 22, 2024Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Jun 8, 2022Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
May 11, 2022Auditor changeChange in certifying accountant (8-K Item 4.01)
May 15, 2020ListingRegistration of securities on an exchange (Form 8-A)
Mar 30, 2020Late filingNotification of late filing
May 15, 2019Late filingNotification of late filing
Apr 1, 2019Late filingNotification of late filing
Mar 8, 2019Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Dec 21, 2018Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Oct 3, 2018Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
May 15, 2018Late filingNotification of late filing
Apr 3, 2018Late filingNotification of late filing
Aug 14, 2017Late filingNotification of late filing
Jul 21, 2017DelistingNotice of delisting from exchange (Form 25)
May 3, 2017Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Nov 18, 2016Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
May 23, 2016Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Apr 18, 2016Name changeName changed from DISCOVERY LABORATORIES INC /DE/ to WINDTREE THERAPEUTICS INC /DE/