B. Luke Weil - 12 May 2026 Form 4 Insider Report for Boost Run Inc. (BRUN)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: BRUN
Reported as of: 12 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 15 Jun 2026, 17:22:49 UTC
Prior SEC filing: 12 May 2026
Source filing: View source filing
Reporting owner signature: /s/ B. Luke Weil

Key filing fact

B. Luke Weil filed Form 4 for Boost Run Inc. (BRUN) on 15 Jun 2026.

Key facts

This page summarizes B. Luke Weil's Form 4 filing for Boost Run Inc. (BRUN).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 15 Jun 2026, 17:22.

Change

Previous filing in this sequence was filed on 12 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001543122 Primary reporting owner

Weil B. Luke

Relationship: Director, 10%+ Owner
Address: C/O BOOST RUN INC., 5 REVERE DRIVE, SUITE 200, NORTHBROOK
Signature: /s/ B. Luke Weil
Signature date: 15 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BRUN transaction

Class A Common Stock

Options Exercise

Transaction value
Shares: -1,272,885
Change %: -27%
Price: $1.75^*
Shares after: 3,355,789
Date: 12 May 2026
Ownership: By Willow Lane Sponsor, LLC
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BRUN transaction Derivative

Warrants

Disposed to Issuer

Transaction value
Shares: -1,101,986
Change %: -27%
Price: $1.75^*
Shares after: 2,905,236
Date: 12 May 2026
Ownership: By Willow Lane Sponsor, LLC
Underlying class: Class A Common Stock
Underlying amount: 1,101,986
Exercise price: $1.75
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Willow 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.

Footnote F2

Exercise is subject to a 9.8% blocker.