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. Checkbox not checked

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






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


 
Aztiq Pharma Partners S.a r.l.
 
Signature:/s/ David Olafsson
Name/Title:By David Olafsson, Manager
Date:03/12/2026
 
Signature:/s/ Robert Wessman
Name/Title:By Robert Wessman, Manager
Date:03/12/2026
 
Aztiq Fund I SCSp
 
Signature:/s/ David Olafsson
Name/Title:By Floki GP S.a r.l., its general partner, By David Olafsson, Manager
Date:03/12/2026
 
Signature:/s/ Robert Wessman
Name/Title:By Floki GP S.a r.l., its general partner, By Robert Wessman, Manager
Date:03/12/2026
 
Floki GP S.a r.l.
 
Signature:/s/ David Olafsson
Name/Title:By David Olafsson, Manager
Date:03/12/2026
 
Signature:/s/ Robert Wessman
Name/Title:By Robert Wessman, Manager
Date:03/12/2026
 
ATP ehf.
 
Signature:/s/ David Olafsson
Name/Title:By David Olafsson, Director
Date:03/12/2026
 
Signature:/s/ Robert Wessman
Name/Title:By Robert Wessman, Director
Date:03/12/2026
 
ATP Holdings ehf.
 
Signature:/s/ David Olafsson
Name/Title:By David Olafsson, Director
Date:03/12/2026
 
Signature:/s/ Robert Wessman
Name/Title:By Robert Wessman, Director
Date:03/12/2026
ex-99-03122026_080359.htm

EXHIBIT 99.1

JOINT FILING AGREEMENT

This Joint Filing Agreement, dated as of March 12, 2026, is by and among Aztiq Pharma Partners S.à r.l., Aztiq Fund I SCSp, Floki GP S.à r.l., ATP ehf. and ATP Holdings ehf. (collectively, the Filers).

Each of the Filers may be required to file with the United States Securities and Exchange Commission a statement on Schedule 13D and/or 13G with respect to the ordinary shares, with a nominal value of $0.01 per share, of Alvotech beneficially owned by them from time to time.

Pursuant to and in accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the Filers hereby agree to file a single statement on Schedule 13D and/or 13G (and any amendments thereto) on behalf of each of the Filers, and hereby further agree to file this Joint Filing Agreement as an exhibit to such statement, as required by such rule.

This Joint Filing Agreement may be terminated by any of the Filers upon written notice or such lesser period of notice as the Filers may mutually agree.

Executed and delivered as of the date first above written.

Aztiq Pharma Partners S.à r.l.


By:

/s/ David Olafsson

Name: David Olafsson

Title: Manager


By:

/s/ Robert Wessman

Name: Robert Wessman

Title: Manager


Aztiq Fund I SCSp


By:

Floki GP S.à r.l.

its

General Partner


By:

/s/ David Olafsson

Name: David Olafsson

Title: Manager


By:

/s/ Robert Wessman

Name: Robert Wessman

Title: Manager


Floki GP S.à r.l.


By:

/s/ David Olafsson

Name: David Olafsson

Title: Manager


By:

/s/ Robert Wessman

Name: Robert Wessman

Title: Manager

ATP ehf.


By:

/s/ David Olafsson

Name: David Olafsson

Title: Director


By:

/s/ Robert Wessman

Name: Robert Wessman

Title: Director


ATP Holdings ehf.


By:

/s/ David Olafsson

Name: David Olafsson

Title: Director


By:

/s/ Robert Wessman

Name: Robert Wessman

Title: Director