Boost Run (BRUN) CFO Erik Guckel submits initial Form 3 filing

Rhea-AI Filing Summary

Boost Run Inc. filed an initial insider ownership report for its Chief Financial Officer, Erik Guckel. This Form 3 identifies him as an officer but shows no reportable securities holdings or transactions, serving mainly as a baseline disclosure of his insider status.

Key Terms

Chief Financial Officer, Form 3, netBuySellDirection, derivativeSummary

4 terms

Chief Financial Officer financial

""officer_title": "Chief Financial Officer""

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

Form 3 regulatory

"INSIDER FILING DATA (Form 3):"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

netBuySellDirection financial

""netBuySellDirection": "neutral""

derivativeSummary financial

""derivativeSummary": []"

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Guckel Erik

(Last) (First) (Middle)

C/O BOOST RUN INC.

5 REVERE DRIVE, SUITE 200

(Street)

NORTHBROOK ILLINOIS 60062

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/08/2026

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

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Erik Guckel	05/15/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does Boost Run (BRUN) disclose in Erik Guckel's Form 3 filing?

Boost Run reports that Erik Guckel is its Chief Financial Officer and a reporting insider. The Form 3 lists no reportable transactions or securities holdings, functioning as an initial baseline disclosure of his status under insider reporting rules.

Does Erik Guckel buy or sell Boost Run (BRUN) shares in this Form 3?

No, this Form 3 does not show any share purchases or sales by Erik Guckel. The transaction summary indicates zero buy, sell, exercise, gift, tax withholding, or restructuring events, reflecting only that he is now a reporting insider.

Are any Boost Run (BRUN) option exercises or derivatives reported for Erik Guckel?

No derivative activity is reported for Erik Guckel in this Form 3. The derivative-related counts and exerciseShares are all zero, and the derivativeSummary section is empty, so there are no options, warrants, or similar instruments detailed here.

What is the significance of the netBuySellDirection field in Boost Run's Form 3?

The netBuySellDirection field is marked neutral, with netBuySellShares at zero. This simply confirms there were no net purchases or sales reported for Erik Guckel in this initial statement, reinforcing that the filing is purely an administrative ownership baseline.

Does the Boost Run (BRUN) Form 3 show any holdings for Erik Guckel?

The filing does not list any specific securities holdings for Erik Guckel. The holdingEntries count is zero, and no non-derivative or derivative positions appear, so it serves only to register him as an insider without detailing positions.