B. Luke Weil - 08 May 2026 Form 4 Insider Report for Willow Lane Acquisition Corp. (WLAC)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
12 May 2026, 21:50:55 UTC
Prior SEC filing
16 Jun 2025
Next SEC filing
15 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ B. Luke Weil

Key filing fact

B. Luke Weil filed Form 4 for Willow Lane Acquisition Corp. (WLAC) on 12 May 2026.

Key facts

  • This page summarizes B. Luke Weil's Form 4 filing for Willow Lane Acquisition Corp. (WLAC).
  • 5 reported transactions and 6 derivative rows are listed below.
  • Accepted by SEC: 12 May 2026, 21:50.

Change

  • Previous filing in this sequence was filed on 16 Jun 2025.
  • 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 (2)

CIK 0001543122 Primary reporting owner

Weil B. Luke

Relationship
Chief Executive Officer, Director, 10%+ Owner
Address
250 WEST 57TH STREET SUITE 415, NEW YORK
Signature
/s/ B. Luke Weil
Signature date
12 May 2026
CIK 0002038246

Willow Lane Sponsor, LLC

Relationship
10%+ Owner
Address
250 WEST 57TH STREET SUITE 415, NEW YORK
Signature
/s/ Willow Lane Sponsor, LLC, By: B. Luke Weil, its managing member
Signature date
12 May 2026

Reported non-derivative transactions

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

WLAC transaction

Class A Ordinary Shares

Options Exercise

Transaction value
Shares
+4,628,674
Change %
Price
Shares after
4,628,674
Date
08 May 2026
Ownership
See footnote
Footnotes
F1, F2
WLAC transaction

Class A Ordinary Shares

Options Exercise

Transaction value
Shares
+4,628,674
Change %
Price
Shares after
4,628,674
Date
08 May 2026
Ownership
See footnote
Footnotes
F1, F2
WLAC transaction

Class A Ordinary Shares

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares
-4,628,674
Change %
-100%
Price
Shares after
0
Date
08 May 2026
Ownership
See footnote
Footnotes
F1, F2
WLAC transaction

Class A Ordinary Shares

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares
-4,628,674
Change %
-100%
Price
Shares after
0
Date
08 May 2026
Ownership
See footnote
Footnotes
F1, F2

Reported derivative securities

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

WLAC transaction Derivative

Class B Ordinary Shares

Options Exercise

Transaction value
Shares
-4,628,674
Change %
-100%
Price
$0.000000*
Shares after
0
Date
08 May 2026
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,628,674
Exercise price
Footnotes
F1, F2, F3
WLAC transaction Derivative

Class B Ordinary Shares

Options Exercise

Transaction value
Shares
-4,628,674
Change %
-100%
Price
$0.000000*
Shares after
0
Date
08 May 2026
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,628,674
Exercise price
Footnotes
F1, F2, F3
WLAC transaction Derivative

Warrants

Other

Transaction value
Shares
+4,007,222
Change %
Price
$11.50*
Shares after
4,007,222
Date
07 Nov 2024
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,007,222
Exercise price
Footnotes
F1, F2, F4
WLAC transaction Derivative

Warrants

Other

Transaction value
Shares
+4,007,222
Change %
Price
$11.50*
Shares after
4,007,222
Date
07 Nov 2024
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,007,222
Exercise price
Footnotes
F1, F2, F4
WLAC transaction Derivative

Warrants

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares
-4,007,222
Change %
-100%
Price
$11.50*
Shares after
0
Date
08 May 2026
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,007,222
Exercise price
Footnotes
F1, F2, F4, F5
WLAC transaction Derivative

Warrants

Disposition pursuant to a tender of shares in a change of control transaction

Transaction value
Shares
-4,007,222
Change %
-100%
Price
$11.50*
Shares after
0
Date
08 May 2026
Ownership
See footnote
Underlying class
Class A Ordinary Shares
Underlying amount
4,007,222
Exercise price
Footnotes
F1, F2, F4, F5
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

B. Luke Weil is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 5 footnotes

Footnote F1

Willow Lane Sponsor, LLC (the "Sponsor") is the record holder of the securities reported herein. B. Luke Weil is the sole managing member of the Sponsor and holds voting and investment discretion with respect to the securities held of record by the Sponsor. As such, B. Luke Weil may be deemed to have beneficial ownership of the securities held of record by the Sponsor. B. Luke Weil disclaims any beneficial ownership except to the extent of his pecuniary interest therein.

Footnote F2

In connection with the closing of the business combination (the "Business Combination") on May 8, 2026 among Willow Lane Acquisition Corp. (the "Issuer"), Boost Run Holdings, LLC ("Boost Run"), Boost Run Inc. ("Pubco") and other parties named therein under that certain Business Combination Agreement, dated September 15, 2025 and amended on January 13, 2026, these Class A Ordinary Shares of the Issuer were cancelled in exchange for an equal number of shares of Class A common stock, par value $0.0001 per share, of Pubco. Following the Business Combination, the Sponsor and Mr. Weil own zero Class A Ordinary Shares of the Issuer.

Footnote F3

As described in the registration statement on Form S-1, as amended (File No. 333-282495), of the Issuer under the heading "Description of Securities--Founder Shares," the Class B Ordinary Shares will automatically convert into Class A Ordinary Shares at the time of the Issuer's initial business combination, or at any time prior to the Issuer's initial business combination, at the option of the holder, on a one-for-one basis, subject to certain adjustments. On May 8, 2026, in connection with the consummation of the Business Combination, 4,628,674 Class B Ordinary Shares were converted into an aggregate of 4,628,674 Class A Ordinary Shares.

Footnote F4

These warrants were purchased and issued on November 7, 2024, simultaneously with the closing of the Issuer's initial public offering and become exercisable 30 days after the completion of the Issuer's initial business combination. The warrants expire on a date that is five years after the completion of the Issuer's initial business combination.

Footnote F5

In connection with the closing of the Business Combination, these warrants of the Issuer were cancelled in exchange for an equal number of warrants of Pubco. Following the Business Combination, the Sponsor and Mr. Weil own zero warrants of the Issuer.

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