SEC Form 4 · accession 0001493152-26-028728
Boost Run Inc. · BRUN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
B. Luke Weil
Director · 10% Owner
Period of report
May 12, 2026
Accepted (ET)
Jun 15, 2026 · 5:22 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002090646
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Class A Common StockF1 | May 12, 2026 | M | 1,272,885 | $1.75 | D | 3,355,789 | I | By Willow Lane Sponsor, LLC |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WarrantsF1,F2 | $1.75 | May 12, 2026 | D | 1,101,986 | D | Jun 8, 2026 | May 8, 2031 | Class A Common Stock | 1,101,986 | 2,905,236 | I |
Explanation of responses
- F1Willow Lane Sponsor, LLC (the "Sponsor"), is the record holder of such securities. Mr. Weil is the sole managing member of the Sponsor and holds voting and investment discretion with respect to the shares of Class A Common Stock held of record by the Sponsor. Mr. Weil disclaims any beneficial ownership of the securities held by Willow Lane's Sponsor other than to the extent of any pecuniary interest he may have therein, directly or indirectly. The Sponsor is attributed beneficial ownership over the 1,272,885 shares of Class A Common Stock and 1,101,986 Warrants being transferred pursuant to the Amended and Restated Transfer Agreement, dated as of April 24, 2026, between the Sponsor and Goodrich ILMJS LLC.
- F2Exercise is subject to a 9.8% blocker.