NorthStrive Acquisition Corp I.

Issuer

NorthStrive Acquisition Corp I.

Security title

Class A Ordinary Shares, par value $0.0001 per share.

Principal address

Citizenship

PMGC is a corporation formed in the State of Nevada. The Sponsor is a limited liability company organized under the laws of the State of Delaware. Mr. Kovalyov is a citizen of Canada.

Principal occupation

PMGC Holdings is principally engaged as a diversified holding company focused on acquiring and growing valuable assets and operating businesses across various industries. Georgiy Kovalyov is principally engaged as a Certified Public Accountant and finance professional.

Filing person

This statement is filed by PMGC Holdings Inc., NorthStrive Sponsor I LLC and Georgiy Kovalyov (collectively, the "Reporting Persons") with respect to 2,728,070 Class A Ordinary Shares of the Issuer, which consist 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. 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. 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.

Criminal proceedings response

No Reporting Person has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).

Proceedings description

No Reporting Person has, during the last five years, been party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Principal business address

PMGC, the Sponsor, and Georgiy Kovalyov have a principal business office at 120 Newport Center Drive, Newport Beach, CA 92660.

Source of funds

The Sponsor previously purchased its shares of the Issuer using working capital funds. PMGC used working capital funds for the consideration it paid for the purchase of its membership interest in the Sponsor.

Purpose of transaction

The Reporting Persons acquired the securities described herein for investment purposes. The Reporting Persons may engage in discussions with the Issuer's management, board of directors, stockholders, and other interested parties concerning potential strategic transactions, including possible merger and acquisition opportunities. The Reporting Persons may from time to time make introductions or otherwise facilitate discussions between the Issuer and third parties regarding such potential opportunities. The Reporting Persons are in discussions with third parties that may result in any of the actions described in clauses (a) through (j) of Item 4 of Schedule 13D; however, there are currently no definitive agreements to undertake such actions. Additionally, the Reporting Persons may continue to review and consider other opportunities that may present themselves from time to time, depending on various factors, including the Issuer's financial position, the price level of the securities, conditions in the securities markets, general economic and industry conditions, or other factors.

Number of shares

(i) Sole power to vote or to direct the vote: see Item 7 on the cover pages hereto. (ii) Shared power to vote or to direct the vote: see Item 8 on the cover pages hereto. (iii) Sole power to dispose or to direct the disposition of: see Item 9 on the cover pages hereto. (iv) Shared power to dispose or to direct the disposition of: see Item 10 on the cover pages hereto. The Sponsor is the record and direct beneficial owner of the securities covered by this Schedule 13D. As of the date hereof, no Reporting Person owns any Class A Ordinary Shares of the Issuer other than as set forth in this Item 5.

Transactions

There have been no transactions in the class of securities reported on that were effected within the past 60 days.

Other persons with an interest

The Reporting Persons do not know of any other person having the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the securities described herein.

Date ownership ceased to exceed 5%

Not applicable.

Percentage of class

The aggregate number and percentage of the class of securities identified pursuant to Item 1 beneficially owned by each Reporting Person is stated in Items 11 and 13 on each of the cover pages hereto. As the sole Member of the Sponsor, PMGC has voting and dispositive power over the securities held by the Sponsor. Each Reporting Person declares that neither the filing of this Schedule 13D nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, the beneficial owner of any securities covered by this Schedule 13D. Each Reporting Person may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Exchange Act. Each Reporting Person declares that neither the filing of this Schedule 13D nor anything herein shall be construed as an admission that such person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act) with any other person as a partnership, limited partnership, syndicate or other group for the purpose of acquiring, holding or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any syndicate or group with respect to the Issuer or any securities of the Issuer.

Contracts and arrangements

Amended and Restated Limited Liability Company Agreement of Sponsor dated September 25, 2026, effective retroactively as of April 24, 2026. The Issuer entered into that certain Letter Agreement, Registration Rights Agreement, Private Placement Units Purchase Agreement, and Administrative Services Agreement, which are each filed as exhibits to the Issuer's Current Report on Form 8-K with the U.S. Securities and Exchange Commission on August 20, 2026.

Filed exhibits

Exhibit 99.1 - Amended and Restated Limited Liability Company Agreement of Sponsor dated September 25, 2026, effective retroactively as of April 24, 2026. Exhibit 99.2 - Joint Filing Agreement.