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 §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

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).






SCHEDULE 13D




Comment for Type of Reporting Person:
The securities include (a) 9,003,418 shares of common stock, $0.001 par value ("Common Stock"), and (b) 5,325,500 shares of Common Stock issuable upon conversion of approximately 21,302 shares of Series A Convertible Preferred Stock, par value $0.001 per share (the "Series A Preferred Stock") directly held by Fairmount Healthcare Fund II L.P. ("Fund II"). The securities exclude shares of Common Stock issuable upon conversion of shares of Series A Preferred Stock held directly by Fund II in excess of the beneficial ownership limitation of 9.9%. Row 13 is based on 139,412,010 shares of Common Stock outstanding, consisting of 113,856,454 shares of Common Stock outstanding as of May 2, 2025 plus 25,555,556 shares of Common Stock sold in the Offering (as defined below).


SCHEDULE 13D




Comment for Type of Reporting Person:
The securities include (a) 9,003,418 shares of Common Stock and (b) 5,325,500 shares of Common Stock issuable upon conversion of approximately 21,302 shares of Series A Preferred Stock directly held by Fund II. The securities exclude shares of Common Stock issuable upon conversion of shares of Series A Preferred Stock held directly by Fund II in excess of the beneficial ownership limitation of 9.9%. Row 13 is based on 139,412,010 shares of Common Stock outstanding, consisting of 113,856,454 shares of Common Stock outstanding as of May 2, 2025 plus 25,555,556 shares of Common Stock sold in the Offering.


SCHEDULE 13D


 
Fairmount Funds Management LLC
 
Signature:/s/ Peter Harwin
Name/Title:Peter Harwin, Managing Member
Date:07/14/2025
 
Signature:/s/ Tomas Kiselak
Name/Title:Tomas Kiselak, Managing Member
Date:07/14/2025
 
Fairmount Healthcare Fund II GP LLC
 
Signature:/s/ Peter Harwin
Name/Title:Peter Harwin, Managing Member
Date:07/14/2025
 
Signature:/s/ Tomas Kiselak
Name/Title:Tomas Kiselak, Managing Member
Date:07/14/2025