020751103

(CUSIP Number)
Robert A. Grauman
145 West 86 Street,
New York, NY, 10024
646 202-2932


Thomas D. Brouillard
Fresenius Medical Care Holdings, Inc., 920 Winter Street
Waltham, MA, 02451-1547
781 699 9000


Christof Koester
Fresenius Medical Care AG, Else-Kroener Strasse 1
Bad Homburg, 2M, 61352
011 49 6172 609 0

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
04/24/2026

(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 §§ 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).




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SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


 
Fresenius Medical Care Holdings, Inc.
 
Signature:/s/ Bryan Mello
Name/Title:Bryan Mello, Asst. Treasurer
Date:04/24/2026
 
Fresenius Medical Care AG
 
Signature:/s/ ppa Dr. Angela Koelbl
Name/Title:Dr. Angela Koelbl, Registered Manager (Prokurist)
Date:04/24/2026
 
Signature:/s/ ppa Christof Koester
Name/Title:Christof Koester, Registered Manager (Prokurist)
Date:04/24/2026