Boost Run Director Sean Goodrich Sells 500,000 Shares

What Happened
Sean Goodrich, a director of Boost Run Inc. (BRUN), reported an open-market sale of 500,000 shares of Class A common stock on 2026-09-14 at $14.00 per share, generating proceeds of $7,000,000. This was a sale (not a purchase or option exercise).

Key Details

• Transaction date: 2026-09-14; filing date: 2026-09-16 (Form 4 accession 0001493152-26-042924). Filing appears timely (filed two days after the transaction).
• Price: $14.00 per share; Shares sold: 500,000; Total proceeds: $7,000,000.
• Shares owned after transaction: Not specified in the information provided in this summary.
• Footnote: The shares are held of record by Goodrich ILMJS LLC. Mr. Goodrich is the managing member and has voting and investment discretion for those shares; he disclaims beneficial ownership of the LLC’s holdings except to the extent of any pecuniary interest.

Context
This filing records a routine insider sale. Purchases tend to be more informative about insider sentiment, while open-market sales can reflect many reasons (liquidity, diversification, tax planning, etc.). No indication of option exercise, gift, or tax-withholding was reported in the provided filing.