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).




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SCHEDULE 13D




Comment for Type of Reporting Person:
The number of shares represented by the amounts in Rows 7, 9, and 11 includes 2,728,070 Class A Ordinary Shares of NorthStrive Acquisition Corp I. (the "Issuer"), consisting of (i) 2,496,320 Class A Ordinary Shares underlying the issuer's ("Issuer") Class B Ordinary Shares (of which an aggregate of 325,607 Class B Ordinary Shares are subject to forfeiture to the extent that the underwriter's over-allotment option is not exercised in full or in part), previously issued to NorthStrive Sponsor I LLC ("Sponsor"), which Class B Ordinary Shares are convertible to Class A Ordinary Shares on the closing of the Issuer's business combination or earlier at the holder's option; and (ii) 231,750 Class A Ordinary Shares included in the private placement offering, which was consummated simultaneously with the Issuer's initial public offering ("IPO"). Ownership percentage is calculated based on 12,728,070 Class A Ordinary Shares deemed outstanding pursuant to Rule 13d-3(d)(1)(i) under the Exchange Act of 1934, amended ("Act"), being 10,231,750 Class A Ordinary Shares outstanding as of the date of this report plus 2,496,320 Class A Ordinary Shares issuable upon conversion of the Class B Ordinary Shares held by the Sponsor. PMGC Holdings Inc. ("PMGC") became the sole Member of the Sponsor pursuant to the Amended and Restated Limited Liability Company Agreement of Sponsor dated September 25, 2026, effective retroactively as of April 24, 2026. The Class A Ordinary Shares of the Issuer are directly held by the Sponsor. PMGC holds all membership interest and voting power of the Sponsor.


SCHEDULE 13D




Comment for Type of Reporting Person:
The number of shares represented by the amounts in Rows 7, 9, and 11 includes 2,728,070 Class A Ordinary Shares of the Issuer, consisting of (i) 2,496,320 Class A Ordinary Shares underlying the Issuer's Class B Ordinary Shares (of which an aggregate of 325,607 Class B Ordinary Shares are subject to forfeiture to the extent that the underwriter's over-allotment option is not exercised in full or in part), previously issued to the Sponsor, which Class B Ordinary Shares are convertible to Class A Ordinary Shares on the closing of the Issuer's business combination or earlier at the holder's option and (ii) 231,750 Class A Ordinary Shares included in the private placement offering which was consummated simultaneously with the IPO. Ownership percentage is based on 12,728,070 Class A Ordinary Shares deemed outstanding pursuant to Rule 13d-3(d)(1)(i) under the Act, being 10,231,750 Class A Ordinary Shares outstanding as of the date of this report plus 2,496,320 Class A Ordinary Shares issuable upon conversion of the Class B Ordinary Shares held by the Sponsor. PMGC became the sole Member of the Sponsor pursuant to the Amended and Restated Limited Liability Company Agreement of Sponsor dated September 25, 2026, effective retroactively as of April 24, 2026. The Class A Ordinary Shares of the Issuer are directly held by the Sponsor. PMGC holds all membership interest and voting power of the Sponsor.


SCHEDULE 13D




Comment for Type of Reporting Person:
PMGC became the sole Member of the Sponsor pursuant to the Amended and Restated Limited Liability Company Agreement of Sponsor dated September 25, 2026, effective retroactively as of April 24, 2026. The Class A Ordinary Shares of the Issuer are directly held by the Sponsor. Georgiy Kovalyov is the Manager of the Sponsor. PMGC holds all membership interest and voting power of the Sponsor.


SCHEDULE 13D


 
PMGC Holdings Inc.
 
Signature:/s/ Graydon Bensler
Name/Title:Graydon Bensler / Chief Executive Officer of PMGC Holdings Inc.
Date:09/29/2026
 
NorthStrive Sponsor I LLC
 
Signature:/s/ Georgiy Kovalyov
Name/Title:Georgiy Kovalyov / Manager
Date:09/29/2026
 
Georgiy Kovalyov
 
Signature:/s/ Georgiy Kovalyov
Name/Title:Georgiy Kovalyov
Date:09/29/2026

ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT OF SPONSOR DATED SEPTEMBER 25, 2026, EFFECTIVE RETROACTIVELY AS OF APRIL 24, 2026

JOINT FILING AGREEMENT