Harraden Circle Investments Reports 8.69% Stake in Haymaker Acquisition Corp. 4

On April 8, 2026, Harraden Circle Investments, LLC and associated reporting persons, including Frederick V. Fortmiller, Jr., filed a Schedule 13G/A with the SEC, disclosing an 8.69% ownership stake in Haymaker Acquisition Corp. 4 (HYAC). The reporting group collectively beneficially owns 2,034,839 Class A shares. This position is distributed across several entities: Harraden Circle Investors, LP (4.99%), Harraden Circle Special Opportunities, LP (1.86%), Harraden Circle Strategic Investments, LP (1.31%), and Harraden Circle Concentrated, LP (0.52%). Harraden Circle Investments, LLC serves as the investment manager, while Harraden Circle Investors GP, LP and Harraden Circle Investors GP, LLC act as general partners. Frederick V. Fortmiller, Jr., as the managing member of these entities, may be deemed to have shared voting and dispositive power over the reported shares. The filing indicates an increase from a previous 0% ownership level reported in prior snapshots, establishing a significant new position in the issuer. The shares were acquired for investment purposes and not to influence control of the company.