Sean Goodrich and Goodrich ILMJS LLC received 1,101,968 Class A shares from Warrant exercises, bringing their reported beneficial ownership to 5,136,121 shares, or 10.28%. The activist 13D position matters because Goodrich, a director, may influence Boost Run corporate activities, while the holders reserve the right to acquire or sell securities.

Key Highlights

  • Sean Goodrich has sole voting and dispositive power over 5,136,121 Class A shares.
  • Boost Run set a $0.01-per-warrant Redemption price for warrants remaining unexercised after August 20, 2026.
  • The Reporting Persons received 1,101,968 Class A shares through the exercise of Private Placement Warrants on August 19, 2026.

Goodrich is a non-employee director and may influence Boost Run (NASDAQ: BRUN)’s corporate activities.

Goodrich Controls Voting Rights

Goodrich is the managing member of the special-purpose vehicle and directs voting and Investment decisions for securities held by it.

The ownership table describes the position as Class A common stock with a Par Value of $0.0001 per share. One ownership calculation references 49,954,423 total Class A shares outstanding as of August 17, 2026.

The later beneficial-ownership disclosure bases the 10.28% figure on 31,895,656 Class A shares outstanding, as reported by Boost Run on June 1, 2026. Goodrich disclaims beneficial ownership of securities held by the special-purpose vehicle except to the extent of any pecuniary interest.

No other person is identified as having the right to receive dividends, or direct proceeds from the sale of, the reported shares.

Warrant Exercise Added Shares

The exercise resulted in the receipt of 1,101,968 Class A common shares. The exercise followed Boost Run’s July 27 press release stating that the company had issued a redemption notice on July 21 for all outstanding warrants covered by the Warrant Agreement. The special-purpose vehicle previously purchased 1,272,885 Founder Shares from the Sponsor, representing 27.5% of the Sponsor’s 4,628,674 Founder Shares.

Future Securities Activity Reserved

The reporting persons may acquire more Boost Run securities or sell or otherwise dispose of securities through open-market transactions, privately negotiated transactions or other methods permitted by law. They also reserve the right to develop plans or proposals concerning corporate activities in the future.

The holders have Demand and piggyback registration rights for their securities under a Registration Rights Agreement.