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).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
(1) In reference to Items 7, 9 and 11, represents 5,136,121 shares of Class A Common Stock held by the SPV. Mr. Goodrich, as managing member of the SPV, holds voting and investment discretion over such securities. (2) In reference to Item 13, based on a total of 49,954,423 shares of Class A Common Stock of the Issuer as of August 17, 2026 reported in the Issuer's Quarterly Report on Form 10-Q filed on August 18, 2026 with the Securities and Exchange Commission.


SCHEDULE 13D




Comment for Type of Reporting Person:
(3) In reference to Items 7, 9 and 11, consists of 5,136,121 shares of Class A Common Stock held directly by the SPV. Mr. Goodrich, as managing member of the SPV, directs voting and dispositive decisions with respect to securities held by the SPV. (4) In reference to Item 13, based on a total of 49,954,423 shares of Class A Common Stock of the Issuer as of August 17, 2026 reported in the Issuer's Quarterly Report on Form 10-Q filed on August 18, 2026 with the Securities and Exchange Commission.


SCHEDULE 13D


 
Sean Goodrich
 
Signature:/s/ Sean Goodrich
Name/Title:Sean Goodrich
Date:08/28/2026
 
Goodrich ILMJS LLC
 
Signature:/s/ Sean Goodrich
Name/Title:Sean Goodrich/Managing Member
Date:08/28/2026

 

Exhibit 99.1

 

Joint Filing Agreement

 

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the common stock of Boost Run Inc. and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

 

The undersigned further agree that each party hereto is responsible for the timely filing of such Statement on Schedule 13D and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

 

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

 

IN WITNESS WHEREOF, the undersigned have executed this Joint Filing Agreement as of June 14, 2026.

 

  By: /s/ Sean Goodrich
    SEAN GOODRICH
     
  By: /s/ Sean Goodrich
    GOODRICH ILMJS LLC
  Name: Sean Goodrich
  Title: Managing Member