Company: HYAC-WT
Filing Date: 2025-07-15
Form Type: 8-K
Source: 0001104659-25-068090
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Company: Haymaker Acquisition Corp. 4
Filing Date: 2025-07-15
Form: 8-K
Item: Item 1.01
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Item 1.01      Entry into a Material Definitive Agreement.  

On July 15, 2025, Haymaker Sponsor IV LLC (the “ Sponsor”)
agreed to make monthly deposits (each deposit, a “ Contribution” and collectively, the “ Contributions”),
each in an amount equal to the lesser of (i) $0.025 for each outstanding Class A ordinary share, par value $0.0001 per share (the “ Class
A Ordinary Shares”), of Haymaker Acquisition Corp. 4 (the “ Company”) and (ii) $375,000, directly to the Company’s
trust account, on the terms and subject to the conditions described below. In exchange for the Contributions, the Company has agreed to
issue to the Sponsor a non-interest bearing, unsecured promissory note (the “ Promissory Note”) on the terms and subject
to the conditions described below.

At the annual general meeting of the Company to be held at 10:00 a. m.,
Eastern Time, on July 24, 2025 (the “ Shareholder Meeting”), the Company’s shareholders will be asked, among other
things, to vote on a proposal to amend the Company’s amended and restated memorandum and articles of association (the “ Memorandum
and Articles of Association”) to extend the date by which the Company has to consummate a business combination on a monthly
basis for up to twelve times from July 28, 2025 to July 28, 2026 (the “ Extension Amendment Proposal”).

If the Extension Amendment Proposal is approved, the Promissory Note
will be issued and the first Contribution will be made on July 28, 2025. Additional Contributions will be made on the 28thday of each subsequent month (or if such day is not a business day, on the business day immediately preceding such day) until the earlier
of (i) the consummation of a business combination, and (ii) the last day the Company has to complete a business combination in accordance
with its Memorandum and Articles of Association, as then in effect (the earlier of (i) and (ii), the “ Maturity Date”).

The Promissory Note will not bear any interest and will be repayable
by the Company to the Sponsor upon the Maturity Date. The Maturity Date may be accelerated upon the occurrence of an “ Event of Default”
(as defined in the Promissory Note). Any outstanding principal under the