SCHEDULE: Harraden Circle Discloses 8.7% Stake in 1RT Acquisition Corp.

Harraden Circle Investments and related entities, along with Frederick V. Fortmiller, Jr., have disclosed a beneficial ownership of 8.70% in 1RT Acquisition Corp.'s Class A Common Stock.

Summary

• Harraden Circle Investments, LLC, and its affiliated entities, including Harraden Circle Investors GP, LP, Harraden Circle Investors GP, LLC, Harraden Circle Investors, LP, Harraden Circle Special Opportunities, LP, Harraden Circle Strategic Investments, LP, and Harraden Circle Concentrated, LP, along with Frederick V. Fortmiller, Jr., collectively reported beneficial ownership.
• The reporting persons beneficially own an aggregate of 1,500,192 shares of 1RT Acquisition Corp.'s Class A Common Stock.
• This ownership represents 8.70% of the Class A Common Stock outstanding.
• All reported shares are held with shared voting power and shared dispositive power, with no sole voting or dispositive power attributed to any single reporting person.
• The filing states that the securities were not acquired or held for the purpose of changing or influencing control of the issuer, other than activities solely in connection with a nomination under Rule 14a-11.
• The event requiring this filing occurred on September 30, 2025.

Sentiment

Score: 5

Explanation: The filing is a factual disclosure of beneficial ownership and does not inherently convey positive or negative sentiment regarding the issuer's performance or prospects. It is a neutral regulatory report.

Positives

• NA

Negatives

• NA

Risks

• NA

Future Outlook

This Schedule 13G filing does not contain any forward-looking statements or guidance regarding the issuer's future outlook.

Management Comments

• Frederick V. Fortmiller, Jr., managing member of Harraden Circle Investments, LLC, Harraden Circle Investors GP, LLC, and general partner of Harraden Circle Investors GP, LP, certified that the information is true, complete, and correct to the best of his knowledge and belief.

Industry Context

This filing is a standard disclosure of significant beneficial ownership by an investment group in a publicly traded company. It reflects an investment position rather than a strategic industry move or operational update for 1RT Acquisition Corp.

Related Party Transactions

• The filing details the organizational structure of the Harraden Circle entities, where Harraden Circle Investors GP, LP is the general partner to several Harraden Circle funds, and Harraden Circle Investors GP, LLC is the general partner of Harraden Circle Investors GP, LP. Frederick V. Fortmiller, Jr. is the managing member of Harraden Circle Investors GP, LLC and Harraden Circle Investments, LLC, indicating an interconnected group of reporting persons.

Stakeholder Impact

• Shareholders of 1RT Acquisition Corp. are informed of a significant institutional investor holding an 8.70% stake, which could influence trading dynamics and perceptions of institutional interest in the company.

Key Dates

Keywords

1RT Acquisition Corp, Harraden Circle Investments, Frederick V. Fortmiller Jr., Schedule 13G, Beneficial Ownership, Class A Common Stock, Institutional Ownership, Investment Management