WINDTREE THERAPEUTICS INC /DE/ (WINT) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

High Risk
Significant dilution risk
Last updated: November 19, 2025

Risk Assessment Details

Potential Dilution: 477.56% of current shares
Recent Dilution: 3676.38% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
34M
Potential Supply
160M
Additional shares possible
Splits
1 Split 1 Reverse
Past 2 years

Summary

WINT currently has 33.6M outstanding shares. with significant dilution risk as 161M authorized shares could dilute existing holders by 477.6%. The company has significantly diluted shareholders by 3676.38% over the past 2 years, indicating aggressive capital raising. Recent corporate actions include 1 stock split (positive for accessibility) and 1 reverse split (concerning signal).

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Nov 19, 2025

10-Q filing | 33.6M shares outstanding

34M 160M
Oct 24, 2025

S-1 filing: This S-1 filing discusses the beneficial ownership of shares, a material relationship between selling stockholders and the company, and various corporate actions including a crypto treasury strategy, an increase in authorized shares, and an amendment to an ELOC Purchase Agreement.

34M 160M
Aug 19, 2025

10-Q filing | 9.2M shares outstanding

9.2M 95M
Jul 17, 2025

8-K filing: Windtree Therapeutics, Inc. entered into a securities purchase agreement to sell and issue approximately 60,000 shares of Series E Convertible Preferred Stock at $1,000 per share and warrants to purchase up to 66,000,000 shares of common stock, with a potential increase to 200,000 preferred shares, for an aggregate offering price of up to $200 million, intending to use the proceeds to acquire BNB as a treasury strategy. ($60.0M proceeds)

3.6M 95M
Jul 10, 2025

S-1/A filing: This S-1/A filing relates to the offer and resale of up to 62,600,618 shares of common stock by selling stockholders, including shares issuable upon conversion of Series D convertible preferred stock, Senior Secured Promissory Notes, and warrants.

3.6M 95M
Jul 07, 2025

S-1/A filing: This S-1/A filing relates to the offer and resale by selling stockholders of up to 42,168,035 shares of common stock issuable upon conversion of Series D convertible preferred stock.

3.6M 74M
May 16, 2025

S-1 filing: This S-1 filing relates to the offer and resale by selling stockholders of up to 42,168,035 shares of common stock issuable upon conversion of Series D convertible preferred stock.

3.6M 74M
May 15, 2025

10-Q filing | 3.6M shares outstanding

3.6M 32M
May 01, 2025

8-K filing: Windtree Therapeutics, Inc. completed a private placement of 3,125 shares of Series D Convertible Preferred Stock for gross proceeds of approximately $2.5 million on April 30, 2025. ($2.5M proceeds)

260K 32M
Apr 30, 2025

8-K filing: Windtree Therapeutics, Inc. entered into a Securities Purchase Agreement for a private placement of 3,125 shares of Series D Convertible Preferred Stock for approximately $2.5 million in gross proceeds, expected to close on April 30, 2025. ($2.5M proceeds)

260K 32M
Apr 24, 2025

S-1/A filing: This prospectus relates to the offer and resale of common stock issuable upon the conversion of Series C convertible preferred stock, the exercise of certain warrants, the conversion of promissory notes, and pursuant to an equity line of credit.

260K 32M
Apr 23, 2025

S-1/A filing: This S-1/A filing registers the resale of common stock by selling stockholders, including shares issuable upon conversion of Series C preferred stock and promissory notes, exercise of warrants, and shares under an equity line of credit agreement.

260K 32M
Apr 15, 2025

10-K filing | 0.3M shares outstanding

260K 1.6M
Feb 20, 2025
Stock Split

8-K filing: Stock split 1-for-50 | Outstanding: 37,467,075 → 749,341

750K 1.6M
Feb 14, 2025

S-1 filing: This S-1 filing registers up to 40,000,000 shares of common stock issuable pursuant to an ELOC Purchase Agreement with Seven Knots, LLC, representing up to $23.8 million in aggregate gross proceeds for the company.

37M 79M
Nov 26, 2024

10-Q filing | 2.3M shares outstanding

2.3M 39M
Oct 28, 2024

8-K filing: Windtree Therapeutics, Inc. filed a prospectus supplement relating to the issuance and sale of up to $27,243,504 of shares of its common stock to Seven Knots, LLC under an existing equity line of credit, and as of October 25, 2024, the Company issued 5,499,273 shares of Common Stock for total gross cash proceeds of $7,756,496 pursuant to the Purchase Agreement. ($7.76M proceeds)

8.7M 39M
Oct 04, 2024

8-K filing: Windtree Therapeutics, Inc. sold 790,500 shares of Common Stock for gross proceeds of $1.7 million, converted 2,368 Preferred Shares into 1,278,452 shares of Common Stock, and redeemed 611 Preferred Shares for $0.8 million. ($1.7M proceeds)

3.7M 39M
Sep 13, 2024

8-K filing: The Company sold 949,948 shares of Common Stock for $3.2 million and converted 202.5 Preferred Shares into 68,877 shares of Common Stock, increasing the Common Stock outstanding from 591,909 shares as of June 30, 2024 to 1,610,734 shares as of September 13, 2024. ($3.2M proceeds)

1.6M 39M
Aug 23, 2024

S-1 filing: This prospectus relates to the potential resale from time to time by Seven Knots, LLC, or Seven Knots or the Selling Stockholder, of up to 10,679,758 shares of common stock.

590K 39M
Aug 21, 2024

S-3 filing: This prospectus relates to the offer and resale of common stock issuable upon conversion of Series C preferred stock and exercise of warrants.

580K 28M
Aug 19, 2024

10-Q filing | 0.6M shares outstanding

580K 370K
Jul 29, 2024

8-K filing: Windtree Therapeutics, Inc. entered into a Securities Purchase Agreement for a private placement of Series C Convertible Preferred Stock and warrants to acquire common stock for gross proceeds of approximately $1.0 million, intending to use the proceeds for working capital and general corporate purposes. ($1.0M proceeds)

470K 370K
Jul 22, 2024

8-K filing: Windtree Therapeutics, Inc. entered into a Securities Purchase Agreement for a private placement involving Series C Convertible Preferred Stock and warrants, with gross proceeds of approximately $12.9 million, and filed a Certificate of Designations for the Series C Preferred Stock. ($12.9M proceeds)

470K 370K
May 15, 2024

10-Q filing | 0.5M shares outstanding

470K 370K
Apr 19, 2024
Stock Split

8-K filing: Stock split 1-for-18 | Outstanding: 5,996,586 → 333,143

330K 360K
Apr 17, 2024

S-3/A filing: This is an S-3/A filing for a shelf offering of common stock by selling stockholders, including Deerfield PDI Financing II, L.P., with sales potentially occurring at prevailing market prices.

6M 6.6M
Apr 16, 2024

10-K filing | 6.0M shares outstanding

6M 6.6M
Apr 08, 2024

8-K filing: Windtree Therapeutics issued 5,500 shares of Series B Convertible Preferred Stock to certain creditors of Varian Biopharmaceuticals as part of an asset purchase agreement, with each share initially convertible into 15,265 shares of Common Stock. ($5.5M proceeds)

5.1M 6.6M
Feb 14, 2024

S-3 filing: This is an S-3 filing for a shelf offering of common stock by selling stockholders.

5.1M 6.6M
Jan 25, 2024

8-K filing: Windtree Therapeutics, Inc. issued 608,272 shares of common stock to Deerfield Management Company in exchange for termination of milestone payment rights, with the company also paying $200,000 in cash.

5.1M 6.6M
Nov 09, 2023

10-Q filing | 5.1M shares outstanding

5.1M 6.6M
Aug 07, 2023

10-Q filing | 5.1M shares outstanding

5.1M 6.6M
May 15, 2023

10-Q filing | 0.9M shares outstanding

860K 6.6M
Apr 24, 2023

8-K filing: Windtree Therapeutics, Inc. closed a public offering of 3,686,006 shares of common stock and accompanying warrants, with an additional 552,900 shares and warrants sold through the underwriter's option, at a price of $2.93 per share and warrant, resulting in net proceeds of approximately $10.8 million. ($0.0M proceeds)

770K 6.6M
Apr 19, 2023

S-1/A filing: The company is offering 2,008,928 shares of common stock and warrants to purchase up to 2,008,928 shares of common stock, as well as pre-funded warrants to purchase up to 2,008,928 shares of common stock with accompanying warrants.

770K 6.6M
Apr 13, 2023

S-1/A filing: The company is offering 2,008,928 shares of common stock and warrants to purchase up to 2,008,928 shares of common stock, as well as pre-funded warrants to purchase up to 2,008,928 shares of common stock.

770K 6.6M
Apr 07, 2023

S-1/A filing: This is an S-1/A filing for offering 1,948,051 shares of common stock and warrants to purchase up to 1,948,051 shares of common stock, as well as pre-funded warrants to purchase up to 1,948,051 shares of common stock and accompanying common warrants.

770K 4.4M
Mar 31, 2023

10-K filing | 0.8M shares outstanding

770K 540K
Feb 24, 2023
Stock Split

8-K filing: Stock split 1-for-50 | Outstanding: 31,135,000 → 622,700

620K 540K
Feb 22, 2023

8-K filing: Windtree Therapeutics, Inc. entered into a warrant exercise inducement offer letter with a holder to amend existing warrants, lowering the exercise price to $0.1411 per share, and the holder agreed to exercise warrants to purchase 1,112,308 shares of common stock for approximately $157,000, in exchange for new warrants to purchase up to 2,224,616 shares of common stock. ($0.16M proceeds)

31M 27M
Feb 14, 2023

S-1 filing: The company is offering common stock, pre-funded warrants to purchase common stock, and common warrants to purchase common stock.

31M 27M
Jan 26, 2023

8-K filing: Windtree Therapeutics entered into warrant exercise inducement offer letters with certain holders to amend and exercise existing warrants to purchase an aggregate of 4,808,595 shares of common stock at a reduced exercise price of $0.20 per share, in exchange for new warrants to purchase up to 9,617,190 shares of common stock, with the company expecting gross proceeds of approximately $1.0 million. ($1.0M proceeds)

31M 27M
Nov 14, 2022

10-Q filing | 31.1M shares outstanding

31M 27M
Aug 11, 2022

10-Q filing | 29.2M shares outstanding

29M 27M
May 05, 2022

10-Q filing | 28.3M shares outstanding

28M 27M
Mar 31, 2022

10-K filing | 28.3M shares outstanding

28M 27M
Dec 23, 2021

S-3 filing: The company may offer and sell up to $100,000,000 in the aggregate of common stock, preferred stock, debt securities, subscription rights, and 170,000 shares of common stock issuable upon the exercise of warrants from time to time in one or more offerings.

21M 27M
Nov 10, 2021

10-Q filing | 26.7M shares outstanding

27M 27M
Aug 05, 2021

10-Q filing | 26.7M shares outstanding

27M 27M
May 13, 2021

10-Q filing | 26.3M shares outstanding

26M 27M
Mar 29, 2021

10-K filing | 26.3M shares outstanding

26M 27M
Mar 24, 2021

8-K filing: Windtree Therapeutics, Inc. entered into an underwriting agreement with Oppenheimer & Co. Inc. for a public offering of 9,230,500 shares of its common stock and warrants to purchase 9,230,500 shares of its common stock at a combined price of $3.25 per share and warrant. ($29.97M proceeds)

17M 27M
Nov 16, 2020

10-Q filing | 16.9M shares outstanding

17M 27M
Sep 17, 2020

S-3 filing: The company is filing an S-3 to offer and sell up to $75,000,000 in the aggregate of common stock, preferred stock, and debt securities from time to time in one or more offerings.

17M 27M
Aug 14, 2020

10-Q filing | 16.9M shares outstanding

17M 25M
May 22, 2020

8-K filing: The company completed a public offering of 2,758,620 units, each consisting of one share of common stock and a warrant, with an additional 413,793 shares and/or warrants sold through the full exercise of the Overallotment Option. The offering price was $7.25 per unit, resulting in net proceeds of approximately $20.2 million after deducting underwriting discounts and commissions and estimated offering expenses.

14M 25M
May 19, 2020

S-1/A filing: This S-1/A filing outlines an offering of 2,094,240 units, each consisting of one share of common stock and a warrant to purchase one share of common stock, with an assumed public offering price of $9.55 per unit. The company intends to use the net proceeds from this offering primarily to advance (i) the study of KL4 surfactant to treat COVID-19 related lung injury; (ii) istaroxime phase 2 start-up activities; (iii) development of AEROSURF® for respiratory distress syndrome; (iv) pre-clinical studies of our oral SERCA2a activators to facilitate business development opportunities; and (v) for working capital, and/or general corporate purposes.

14M 25M
May 14, 2020

S-1/A filing: This S-1/A filing describes an offering of 523,560 units, each consisting of one share of common stock and a warrant to purchase 0.50 of a share of common stock, with an assumed public offering price of $9.55 per unit.

14M 21M
May 13, 2020

10-Q filing | 13.7M shares outstanding

14M 21M
May 06, 2020

S-1/A filing: This S-1/A filing describes an offering of units, each consisting of one share of common stock and a warrant to purchase 0.50 of a share of common stock, with an assumed offering price of $9.79 per unit and also includes an offering of warrants.

14M 21M
Apr 03, 2020

10-K filing | 41.1M shares outstanding

41M 42M
Jan 27, 2020

S-1 filing: This is an S-1 filing for Windtree Therapeutics, a clinical-stage biopharmaceutical and medical device company, including information on private placements, ATM programs, and a 401(k) plan employer match involving common stock and warrants.

N/A 42M
Jan 21, 2020

S-1 filing: This is an S-1 filing for Windtree Therapeutics, a clinical-stage biopharmaceutical and medical device company, and includes information on private placement offerings, warrant issuances, and an at-the-market program.

N/A 21M
Weekly Research

Get Weekly Super Stonk Alerts

Never miss a squeeze opportunity. Get our weekly analysis of high short interest stocks, AI-discovered gems, and dilution warnings delivered to your inbox.

No spam Unsubscribe anytime