ARC Group Acquisition I Corp. (ARCL) investors report exit from 5% ownership stake

Rhea-AI Filing Summary

ARC Group Acquisition I Corp. received an amended Schedule 13G from Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. reporting that they no longer beneficially own any Class A shares. Following an internal reorganization effective June 30, 2026, their beneficial ownership was reduced to 0 shares, representing 0% of the Class A common stock.

The amendment, filed as an exit filing, specifies that the reporting persons now have no sole or shared voting or dispositive power over any Class A shares. Certain investment funds previously associated with the reporting persons retain the economic rights to receive dividends or sale proceeds, but the reporting persons themselves are no longer beneficial owners of more than five percent of the class.

Key Figures

Beneficially owned shares: 0 shares Percent of class owned: 0 % Effective date of internal reorganization: 06/30/2026

3 metrics

Beneficially owned shares 0 shares Class A common stock beneficial ownership reported by the reporting persons

Percent of class owned 0 % Percentage of ARC Group Acquisition I Corp. Class A shares beneficially owned

Effective date of internal reorganization 06/30/2026 Date after which reporting persons ceased to be beneficial owners over five percent

Key Terms

beneficial owner, dispositive power, Investment Company Act of 1940, parent holding company

4 terms

beneficial owner financial

"have ceased to be the beneficial owners of more than five percent"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

dispositive power financial

"Sole Dispositive Power 0.00 8 | Shared Dispositive Power 0.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Investment Company Act of 1940 regulatory

"investment company registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

parent holding company financial

"Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company"

FAQ

What does the Schedule 13G/A for ARCL report about Harraden Circle’s ownership?

The Schedule 13G/A reports that Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. now beneficially own 0 Class A shares of ARC Group Acquisition I Corp., representing 0% of that class after an internal reorganization.

Why did Harraden Circle file this Schedule 13G/A amendment for ARCL?

The amendment is filed as an exit filing to report that Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. have ceased to be beneficial owners of more than five percent of ARCL’s Class A common stock after a June 30, 2026 reorganization.

Do Harraden Circle and Frederick V. Fortmiller, Jr. have any voting power in ARCL now?

No. The amendment states they have 0 sole and 0 shared voting power and 0 sole and 0 shared dispositive power over ARCL Class A shares, confirming no current beneficial ownership or control.

Which entities’ accounts were previously associated with ARCL shares in this 13G/A?

The reported shares were held for the accounts of Harraden Circle Investors, LP, Harraden Circle Special Opportunities, LP, Harraden Circle Strategic Investments, LP, and Harraden Circle Concentrated, LP, with Harraden Adviser acting as investment manager.

Who signed the ARCL Schedule 13G/A amendment on behalf of the reporting persons?

The amendment was signed by Frederick V. Fortmiller, Jr., in his capacity as managing member of Harraden Circle Investments, LLC, on August 14, 2026, confirming the updated beneficial ownership status.

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

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Available on EDGAR 08/14/2026 - 11:01 AM Accepted by SEC EDGAR 08/14/2026 - 11:00 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

ARC Group Acquisition I Corp.

(Name of Issuer)

Class A

(Title of Class of Securities)

G24498100

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G24498100

1

Names of Reporting Persons

Harraden Circle Investments, LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

OO, IA

SCHEDULE 13G

CUSIP Number(s): G24498100

1

Names of Reporting Persons

Frederick V. Fortmiller, Jr.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0 %

12

Type of Reporting Person (See Instructions)

HC, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ARC Group Acquisition I Corp.
(b)	Address of issuer's principal executive offices: 398 S. Mill Avenue, Suite 306, Tempe, AZ 85284
Item 2.
(a)	Name of person filing: This Statement is filed on behalf of Harraden Circle Investments, LLC ("Harraden Adviser") and Frederick V. Fortmiller, Jr. ("Mr. Fortmiller") (collectively, the "Reporting Persons"). This Statement relates to Shares (as defined herein) held for the accounts of Harraden Circle Investors, LP ("Harraden Fund"), Harraden Circle Special Opportunities, LP ("Harraden Special Op Fund"), Harraden Circle Strategic Investments, LP ("Harraden Strategic Fund"), and Harraden Circle Concentrated, LP ("Harraden Concentrated Fund"). Harraden Adviser serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and other high net worth individuals and, in such capacity, exercises voting and dispositive power over the Shares reported herein. Mr. Fortmiller is the managing member of Harraden Adviser.
(b)	Address or principal business office or, if none, residence: 885 Third Avenue, Suite 2600B, New York, NY 10022
(c)	Citizenship: Harraden Adviser is a Delaware limited liability company. Mr. Fortmiller is a citizen of the United States of America.
(d)	Title of class of securities: Class A
(e)	CUSIP No.: G24498100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Certain funds identified in Item 2(a) have the right to receive any dividends from, or the proceeds from the sale of, the securities reported herein.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See disclosure in Item 2 hereof.
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Harraden Circle Investments, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	08/14/2026

Frederick V. Fortmiller, Jr.

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr.
Date:	08/14/2026

Comments accompanying signature: This Schedule 13G amends the Schedule 13G filed under Rule 13d-1(c) to remove the reporting persons who, after an internal reorganization effective June 30, 2026, are no longer beneficial owners of the securities reported herein and to change the Rule under which this Schedule 13G is filed to Rule 13d-1(b), because the remaining reporting persons qualify to file Schedule 13G under Rule 13d-1(b). Explanatory Note: This Amendment is being filed to report that the Reporting Persons have ceased to be the beneficial owners of more than five percent of the outstanding shares of Class A common stock of the "Issuer". This Amendment constitutes an exit filing for the Reporting Persons.