Boost Run (BRUN) director amends 1.97M-share buy report

Rhea-AI Filing Summary

Boost Run Inc. (BRUN) director Sean Goodrich, through Goodrich ILJMS LLC, corrected a prior insider report to show the exercise or conversion of a derivative security into 1,968,750 shares of Class A Common Stock at $1.75 per share on June 9, 2026. Following this transaction, 4,034,135 shares are reported as indirectly held. The amendment also states that an earlier filing inadvertently reported both a smaller share acquisition and a disposition of warrants; no warrants were actually disposed of or acquired on the transaction date.

Insider Trade Summary

Net Buyer: 1,968,750 shares

Net Buy 1 txn

Insider Goodrich Sean

Role Director

Type	Security	Shares	Price	Value
Exercise	Class A Common Stock F1	1,968,750	$1.75	$3.45M

Holdings After Transaction: Class A Common Stock — 4,034,135 shares (Indirect, By Goodrich ILJMS LLC)

Footnotes (1)

1. F1. On June 15, 2026, the reporting person filed a Form 4 (the "Form 4") which inadvertently reported that 1,272,885 shares were acquired. The number of shares actually acquired was 1,968,750. This amendment is being filed to correctly state the number of shares acquired reported on the Form 4 and the number of shares indirectly held thereafter.

Key Figures

Shares acquired: 1,968,750 shares of Class A Common Stock Price per share: $1.75 per share Shares indirectly held after transaction: 4,034,135 shares +2 more

5 metrics

Shares acquired 1,968,750 shares of Class A Common Stock Exercise or conversion of derivative security on June 9, 2026

Price per share $1.75 per share For the 1,968,750 shares acquired on June 9, 2026

Shares indirectly held after transaction 4,034,135 shares Indirect ownership via Goodrich ILJMS LLC following the transaction

Originally misreported shares acquired 1,272,885 shares Number of shares inadvertently reported as acquired in the original Form 4

Misreported warrants disposed 1,101,986 Warrants Warrants inadvertently reported as disposed in original Form 4; none actually disposed

Key Terms

Form 4, derivative security, indirectly held, Class A Common Stock, +1 more

5 terms

Form 4 regulatory

"the reporting person filed a Form 4 (the "Form 4") which"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

derivative security financial

"transaction_action":"derivative exercise/conversion""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

indirectly held financial

"correctly state the number of shares acquired ... and the number of shares indirectly held thereafter"

Class A Common Stock financial

"security_title":"Class A Common Stock""

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

warrants financial

"inadvertently reported that 1,101,986 Warrants were disposed of"

Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.

FAQ

What did BRUN director Sean Goodrich correct in this Form 4/A?

The amendment corrects the reported acquisition to 1,968,750 shares of Class A Common Stock and clarifies that no warrants were disposed of or acquired on the June 9, 2026 transaction date.

How many Boost Run Inc. (BRUN) shares did Sean Goodrich acquire?

Sean Goodrich, via Goodrich ILJMS LLC, acquired 1,968,750 shares of Boost Run Inc. Class A Common Stock through an exercise or conversion of a derivative security on June 9, 2026.

What price per share applied to the BRUN shares acquired?

The reported price per share for the acquired Boost Run Inc. Class A Common Stock is $1.75 per share in connection with the June 9, 2026 derivative exercise or conversion.

How many BRUN shares does Sean Goodrich indirectly hold after this transaction?

After the corrected transaction, 4,034,135 shares of Boost Run Inc. Class A Common Stock are reported as indirectly held by Sean Goodrich through Goodrich ILJMS LLC.

Were any Boost Run Inc. warrants actually disposed of in this Form 4/A event?

No. The amendment explicitly states that no warrants were disposed of or acquired by the reporting person on the June 9, 2026 transaction date, correcting an earlier inadvertent report.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/28/2026 - 04:31 PM Accepted by SEC EDGAR 08/28/2026 - 04:30 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Goodrich Sean

(Last) (First) (Middle)

C/O BOOST RUN INC.

5 REVERE DRIVE, SUITE 200

(Street)

NORTHBROOK ILLINOIS 60062

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Boost Run Inc. [ BRUN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
06/15/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	06/09/2026		M		1,968,750(1)	A	$1.75	4,034,135	I	By Goodrich ILJMS LLC

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On June 15, 2026, the reporting person filed a Form 4 (the "Form 4") which inadvertently reported that 1,272,885 shares were acquired. The number of shares actually acquired was 1,968,750. This amendment is being filed to correctly state the number of shares acquired reported on the Form 4 and the number of shares indirectly held thereafter.

Remarks:

This amendment is being filed to remove the Table II entry from the Form 4 filed on June 15, 2026, which inadvertently reported that 1,101,986 Warrants were disposed of. No warrants were disposed of or acquired by the reporting person on the transaction date.

	/s/ Sean Goodrich	08/28/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)