Form: SCHEDULE 13G

Statement of Beneficial Ownership by Certain Investors

October 2, 2026

Exhibit A

JOINT FILING AGREEMENT

The undersigned agree that this Schedule 13G dated October 2, 2026 relating to the Common Stock, $0.01 par value, of Axogen, Inc. shall be filed on behalf of the undersigned.

  DIVISADERO STREET CAPITAL MANAGEMENT, LP
   
  By: Divisadero Street Capital, LLC, its general partner
   
  By: /s/ William Zolezzi
    Name: William Zolezzi
    Title:   Manager
   
   
  WILLIAM ZOLEZZI
   
  By: /s/ William Zolezzi
   
   
  DIVISADERO STREET PARTNERS, L.P.
   
  By: Divisadero Street Partners GP, LLC, its general partner
   
  By: /s/ William Zolezzi
    Name: William Zolezzi
    Title:   Manager
   
   
  DIVISADERO STREET PARTNERS GP, LLC
   
  By: /s/ William Zolezzi
    Name: William Zolezzi
    Title:   Manager
   
   
  DIVISADERO STREET CAPITAL, LLC
   
  By: /s/ William Zolezzi
    Name: William Zolezzi
    Title:   Manager