Boost Run COO reports 8,016,095-share stake

Boost Run Inc. director and Chief Operating Officer Georgakopoulos Harilaos has filed an initial Form 3 reporting his beneficial ownership in the company.

Rhea-AI Filing Summary

Boost Run Inc. director and Chief Operating Officer Georgakopoulos Harilaos has filed an initial Form 3 reporting his beneficial ownership in the company. The filing shows indirect ownership of 8,016,095 shares of Class A common stock, held "By Self as Trustee for the A23 Revocable Trust No.1." This Form 3 records an existing position and does not report any new buy or sell transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Georgakopoulos Harilaos

Role Chief Operating Officer

Type	Security	Shares	Price	Value
holding	Class A Common Stock, par value $0.0001 per share	--	--	--

Holdings After Transaction: Class A Common Stock, par value $0.0001 per share — 8,016,095 shares (Indirect, By Self as Trustee for the A23 Revocable Trust No.1)

Key Figures

Indirectly owned shares: 8,016,095 shares Ownership type: Indirect Insider roles: Director, Chief Operating Officer, 10% owner

3 metrics

Indirectly owned shares 8,016,095 shares Class A Common Stock, as of Form 3 filing

Ownership type Indirect By Self as Trustee for the A23 Revocable Trust No.1

Insider roles Director, Chief Operating Officer, 10% owner Reported insider status on Form 3

Key Terms

Form 3, Class A Common Stock, Revocable Trust, ten percent owner

4 terms

Form 3 regulatory

"has filed an initial Form 3 reporting his beneficial ownership"

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.

Class A Common Stock financial

"indirect ownership of 8,016,095 shares of 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.

Revocable Trust financial

"held "By Self as Trustee for the A23 Revocable Trust No.1""

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

ten percent owner financial

"identified as a director, Chief Operating Officer, and a ten percent owner"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Boost Run Inc. (BRUN) Form 3 filing show for Georgakopoulos Harilaos?

The Form 3 shows Georgakopoulos Harilaos indirectly holds 8,016,095 shares of Boost Run Inc. Class A common stock. These shares are reported as held by him as trustee for the A23 Revocable Trust No.1, establishing his initial beneficial ownership position.

Is Georgakopoulos Harilaos an insider and large shareholder of Boost Run Inc. (BRUN)?

Yes. The filing identifies Georgakopoulos Harilaos as a director, Chief Operating Officer, and a ten percent owner of Boost Run Inc. This combination signals significant involvement in both management and ownership of the company’s equity.

Does the Boost Run Inc. (BRUN) Form 3 report any recent stock purchases or sales?

No transactions are reported. The Form 3 entry is categorized as a holding, with no buy or sell codes and zero shares listed as bought or sold. It simply discloses an existing indirect ownership stake of 8,016,095 shares.

How are the 8,016,095 Boost Run Inc. (BRUN) shares held by Georgakopoulos Harilaos structured?

The 8,016,095 Class A common shares are reported as held indirectly, "By Self as Trustee for the A23 Revocable Trust No.1." This means the position is owned through a trust structure rather than directly in his personal name.

What type of security is reported in the Boost Run Inc. (BRUN) Form 3?

The security reported is Class A Common Stock, par value $0.0001 per share of Boost Run Inc. All 8,016,095 shares disclosed in the filing relate to this single class of common equity held through the referenced trust.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:30 PM EDT Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Georgakopoulos Harilaos

(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)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating 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)
Class A Common Stock, par value $0.0001 per share	8,016,095	I	By Self as Trustee for the A23 Revocable Trust No.1

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:

	/s/ Harry Georgakopoulos	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)