X0609 4 2026-09-14 0 0002090646 Boost Run Inc. BRUN 0002028811 Goodrich Sean false C/O BOOST RUN INC. 5 REVERE DRIVE, SUITE 200 NORTHBROOK IL 60062 1 0 0 0 0 Class A Common Stock 2026-09-14 4 S 0 500000 14.00 D 4437921 I By Goodrich ILJMS LLC Goodrich ILMJS LLC is the record hold of such securities. Mr. Goodrich is the managing member of Goodrich ILMJS LLC and holds and holds voting and investment discretion with respect to the shares of Boost Run Inc. Class A Common Stock held of record by Goodrich ILMJS LLC. Mr. Goodrich disclaims any beneficial ownership of the securities held by Goodrich ILMJS LLC other than to the extent of any pecuniary interest he may have therein, directly or indirectly. /s/ Sean Goodrich 2026-09-16