SC 13D/A

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

 

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)*

 

 

Windtree Therapeutics, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

97382D204

(CUSIP Number)

James Huang

Panacea Venture

No. 5, Lane 1350, Fuxing Middle Road

Xuhui District, Shanghai

China 200031

(86-21) 6176-1101

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

May 17, 2023

(Date of Event Which Requires Filing of This Statement)

 

 

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule 13d-1(f) or Rule 13d-1(g), check the following box.  ☐

 

 

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7(b) for other parties to whom copies are to be sent.

 

 

 

*

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

 

 


CUSIP No. 97382D204   13D   Page 1 of 8 pages

 

  1    

  Names of Reporting Persons

 

  Panacea Venture Healthcare Fund I, L.P.

  2  

  Check the Appropriate Box if a Member of a Group

 

  (a)  ☐        (b)  ☐

  3  

  SEC Use Only

 

  4  

  Source of Funds (See Instructions)

 

  OO

  5  

  Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

 

  ☐

  6  

  Citizenship or Place of Organization

 

  Cayman Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 

     7    

  Sole Voting Power

 

  0

     8  

  Shared Voting Power

 

  68,984

     9  

  Sole Dispositive Power

 

  0

   10  

  Shared Dispositive Power

 

  68,984

11    

  Aggregate Amount Beneficially Owned by Each Reporting Person

 

  68,984

12  

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 

  ☐

13  

  Percent of Class Represented by Amount in Row (11)

 

  1.3%

14  

  Type of Reporting Person

 

  PN


CUSIP No. 97382D204   13D   Page 2 of 8 pages

 

  1    

  Names of Reporting Persons

 

  Panacea Venture Healthcare Fund GP I, L.P.

  2  

  Check the Appropriate Box if a Member of a Group

 

  (a)  ☐        (b)  ☐

  3  

  SEC Use Only

 

  4  

  Source of Funds (See Instructions)

 

  OO

  5  

  Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

 

  ☐

  6  

  Citizenship or Place of Organization

 

  Cayman Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 

     7    

  Sole Voting Power

 

  0

     8  

  Shared Voting Power

 

  68,984

     9  

  Sole Dispositive Power

 

  0

   10  

  Shared Dispositive Power

 

  68,984

11    

  Aggregate Amount Beneficially Owned by Each Reporting Person

 

  68,984

12  

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 

  ☐

13  

  Percent of Class Represented by Amount in Row (11)

 

  1.3%

14  

  Type of Reporting Person

 

  PN


CUSIP No. 97382D204   13D   Page 3 of 8 pages

 

  1    

  Names of Reporting Persons

 

  Panacea Venture Healthcare Fund GP Company, Ltd.

  2  

  Check the Appropriate Box if a Member of a Group

 

  (a)  ☐        (b)  ☐

  3  

  SEC Use Only

 

  4  

  Source of Funds (See Instructions)

 

  OO

  5  

  Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

 

  ☐

  6  

  Citizenship or Place of Organization

 

  Cayman Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 

     7    

  Sole Voting Power

 

  0

     8  

  Shared Voting Power

 

  68,984

     9  

  Sole Dispositive Power

 

  0

   10  

  Shared Dispositive Power

 

  68,984

11    

  Aggregate Amount Beneficially Owned by Each Reporting Person

 

  68,984

12  

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 

  ☐

13  

  Percent of Class Represented by Amount in Row (11)

 

  1.3%

14  

  Type of Reporting Person

 

  CO


CUSIP No. 97382D204   13D   Page 4 of 8 pages

 

  1    

  Names of Reporting Persons

 

  Panacea Venture Management Company Ltd.

  2  

  Check the Appropriate Box if a Member of a Group

 

  (a)  ☐        (b)  ☐

  3  

  SEC Use Only

 

  4  

  Source of Funds (See Instructions)

 

  OO

  5  

  Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

 

  ☐

  6  

  Citizenship or Place of Organization

 

  Cayman Islands

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 

     7    

  Sole Voting Power

 

  0

     8  

  Shared Voting Power

 

  68,984

     9  

  Sole Dispositive Power

 

  0

   10  

  Shared Dispositive Power

 

  68,984

11    

  Aggregate Amount Beneficially Owned by Each Reporting Person

 

  68,984

12  

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 

  ☐

13  

  Percent of Class Represented by Amount in Row (11)

 

  1.3%

14  

  Type of Reporting Person

 

  CO


CUSIP No. 97382D204   13D   Page 5 of 8 pages

 

  1    

  Names of Reporting Persons

 

  James Huang

  2  

  Check the Appropriate Box if a Member of a Group

 

  (a)  ☐        (b)  ☐

  3  

  SEC Use Only

 

  4  

  Source of Funds (See Instructions)

 

  OO

  5  

  Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

 

  ☐

  6  

  Citizenship or Place of Organization

 

  Republic of China

NUMBER OF

SHARES

 BENEFICIALLY 

OWNED BY

EACH

REPORTING

PERSON

WITH

 

     7    

  Sole Voting Power

 

  6,625

     8  

  Shared Voting Power

 

  68,984

     9  

  Sole Dispositive Power

 

  6,625

   10  

  Shared Dispositive Power

 

  68,984

11    

  Aggregate Amount Beneficially Owned by Each Reporting Person

 

  75,609

12  

  Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 

  ☐

13  

  Percent of Class Represented by Amount in Row (11)

 

  1.5%

14  

  Type of Reporting Person

 

  IN


CUSIP No. 97382D204   13D   Page 6 of 8 pages

 

Explanatory Note

This Amendment No. 4 to Schedule 13D (this “Amendment No. 4”) amends and supplements the Statement on Schedule 13D filed with the United States Securities and Exchange Commission on December 31, 2018 (as amended to date, the “Schedule 13D”), relating to the common stock, par value $0.001 per share (the “Common Stock”), of Windtree Therapeutics, Inc. (the “Issuer”). Capitalized terms used herein without definition shall have the meaning set forth in the Schedule 13D.

 

Item 5.

Interest in Securities of the Issuer.

Item 5 of the Schedule 13D is hereby amended and restated in its entirety as follows:

 

  (e)

– (b)

The ownership information presented below represents beneficial ownership of Class A Common Stock of the Issuer as of the date hereof, based upon 5,147,919 shares of Common Stock outstanding as of April 27, 2023.

 

Reporting Person   

Amount

beneficially

owned

    

Percent

of class:

    Sole power
to vote or to
direct the
vote:
     Shared power
to vote or to
direct the
vote:
    

Sole
power to
dispose or
to direct
the
disposition

of:

    

Shared

power to

dispose or

to direct

the

disposition

of:

 

Panacea Venture Healthcare Fund I, L.P.

     68,984        1.3     0        68,984        0        68,984  

Panacea Venture Healthcare Fund GP I, L.P.

     68,984        1.3     0        68,984        0        68,984  

Panacea Venture Healthcare Fund GP Company, Ltd.

     68,984        1.3     0        68,984        0        68,984  

Panacea Venture Management Company Ltd.

     68,984        1.3     0        68,984        0        68,984  

James Huang

     75,609        1.5     6,625        68,984        6,625        68,984  

Panacea Venture Healthcare Fund I, L.P. is the holder of 68,984 shares of Common Stock. Panacea Venture Management Company Ltd. is the management company of Panacea Venture Healthcare Fund GP Company, Ltd., which is the general partner of Panacea Venture Healthcare Fund GP I, L.P., which is the general partner of Panacea Venture Healthcare Fund I, L.P. By virtue of his control of Panacea Venture Management Company Ltd., Mr. Huang may be deemed to share beneficial ownership of the securities held by Panacea Venture Healthcare Fund I, L.P.

In addition, Mr. Huang also holds 5,825 shares of Common Stock and options to purchase 800 shares of Common stock that are currently exercisable.


CUSIP No. 97382D204   13D   Page 7 of 8 pages

 

(c)

None.

 

(d)

None.

 

(e)

This Amendment No. 4 is being filed to report that, as of the date hereof, the Reporting Persons do not beneficially own more than five percent of the Common Stock.


CUSIP No. 97382D204   13D   Page 8 of 8 pages

 

SIGNATURES

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: May 17, 2023

 

Panacea Venture Healthcare Fund I, L.P.
By: Panacea Venture Healthcare Fund GP I, L.P., its general partner
By: Panacea Venture Healthcare Fund GP Company, Ltd., its general partner
By: Panacea Venture Management Company Ltd., its manager

By:

 

/s/ James Huang

Name:

 

James Huang

Title:

 

Founding Managing Partner

Panacea Venture Healthcare Fund GP I, L.P.

By: Panacea Venture Healthcare Fund GP Company, Ltd., its general partner
By: Panacea Venture Management Company Ltd., its manager

By:

 

/s/ James Huang

Name:

 

James Huang

Title:

 

Founding Managing Partner

Panacea Venture Healthcare Fund GP Company, Ltd.
By: Panacea Venture Management Company Ltd., its manager

By:

 

/s/ James Huang

Name:

 

James Huang

Title:

 

Founding Managing Partner

Panacea Venture Management Company Ltd.

By:

 

/s/ James Huang

Name:

 

James Huang

Title:

 

Founding Managing Partner

James Huang

/s/ James Huang