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  4. [Form 3] Haymaker Acquisition Corp. 4 Initial Statement of Beneficial Ownership

Haymaker Acquisition Corp. 4 (HYAC) insiders disclose 4.9M Class A shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Haymaker Acquisition Corp. 4 disclosed initial insider holdings on a Form 3. Several Harraden Circle investment entities and Frederick Vincent Fortmiller Jr. are listed as ten percent owners. The filing reports indirect ownership of 4,902,989 Class A shares, reflecting their starting beneficial stake in HYAC.

Positive

  • None.

Negative

  • None.
Insider Harraden Circle Investments, LLC, Harraden Circle Investors GP, LP, Harraden Circle Investors GP, LLC, Harraden Circle Investors, LP, Harraden Circle Special Opportunities, LP, Harraden Circle Strategic Investments, LP, Harraden Circle Concentrated, LP, Fortmiller Frederick Vincent Jr.
Role 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner
Type Security Shares Price Value
holding Class A -- -- --
Holdings After Transaction: Class A — 4,902,989 shares (Indirect, See Remarks)
Footnotes (1)
Indirect Class A holdings 4,902,989 shares Total Class A shares indirectly owned following reported holdings
ten_percent_owner financial
"is_ten_percent_owner": 1"
indirect financial
""ownership_type": "indirect""
nature_of_ownership financial
""nature_of_ownership": "See Remarks""
Class A financial
""security_title": "Class A""
Class A denotes a specific group of a company’s shares that carry a particular set of rights—most commonly different voting power or dividend priority compared with other share classes. Think of it like different seats on a bus where some seats let you steer and others only ride: knowing whether a share is Class A tells investors how much influence they have over company decisions and how returns might be distributed, which affects control and value.
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SEC Form 3
FORM 3UNITED 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*
Harraden Circle Investments, LLC
(Last)(First)(Middle)
885 3RD AVENUE
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)		2. Date of Event Requiring Statement (Month/Day/Year)
04/08/2026		3. Issuer Name and Ticker or Trading Symbol
Haymaker Acquisition Corp. 4 [ HYAC ]
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)
DirectorX10% Owner
Officer (give title below)Other (specify below)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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 A4,902,989ISee Remarks
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 ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
Harraden Circle Investments, LLC
(Last)(First)(Middle)
885 3RD AVENUE
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors GP, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors GP, LLC
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Investors, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Special Opportunities, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Strategic Investments, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Harraden Circle Concentrated, LP
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Fortmiller Frederick Vincent Jr.
(Last)(First)(Middle)
885 THIRD AVE.
SUITE 2600B
(Street)
NEW YORK NEW YORK 10022
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
Remarks:
These ordinary shares of the Issuer ("Shares") are directly owned by 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 Circle Investors GP, LP ("Harraden GP") is the general partner to Harraden Fund, Harraden Special Op Fund, Harraden Stratetic Fund, and Harraden Concentrated Fund, and Harraden Circle Investors GP, LLC ("Harraden LLC") is the general partner of Harraden GP. Harraden Circle Investments, LLC ("Harraden Adviser") serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund. Frederick V. Fortmiller, Jr. ("Mr. Fortmiller") is the managing member of each of Harraden LLC and Harraden Adviser. Each of Harraden GP, Harraden LLC, Harraden Adviser, and Mr. Fortmiller disclaims beneficial ownership of the Shares reported herein except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the Shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
HARRADEN CIRCLE INVESTMENTS, LLC, By: /s/ Frederick V. Fortmiller, Jr., Managing Member04/08/2026
HARRADEN CIRCLE INVESTORS GP, LP, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member04/08/2026
HARRADEN CIRCLE INVESTORS GP, LLC, By: /s/ Frederick V. Fortmiller, Jr., Managing Member04/08/2026
HARRADEN CIRCLE INVESTORS, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member04/08/2026
HARRADEN CIRCLE SPECIAL OPPORTUNITIES, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member04/08/2026
HARRADEN CIRCLE STRATEGIC INVESTMENTS, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member04/08/2026
HARRADEN CIRCLE CONCENTRATED, LP, By: HARRADEN CIRCLE INVESTORS GP, LP, its general partner, By: HARRADEN CIRCLE INVESTORS GP, LLC, its general partner, By: /s/ Frederick V. Fortmiller, Jr., Title: Managing Member04/08/2026
FREDERICK V. FORTMILLER, JR., /s/ Frederick V. Fortmiller, Jr.04/08/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What does the HYAC Form 3 filing by Harraden Circle entities show?

The HYAC Form 3 shows initial insider holdings. Harraden Circle investment entities and Frederick Vincent Fortmiller Jr. are listed as ten percent owners with indirect beneficial ownership of 4,902,989 Class A shares in Haymaker Acquisition Corp. 4.

How many HYAC Class A shares are indirectly owned according to this Form 3?

The Form 3 reports indirect beneficial ownership of 4,902,989 Class A shares. This figure represents the combined stake associated with the reporting persons, giving investors a baseline view of significant insider ownership in Haymaker Acquisition Corp. 4.

Who are the reporting persons on the HYAC Form 3 filing?

Reporting persons include several Harraden Circle entities and Frederick Vincent Fortmiller Jr. Each is identified as a ten percent owner, indicating a substantial beneficial interest in Haymaker Acquisition Corp. 4’s Class A shares via indirect ownership arrangements.

Is the HYAC Form 3 a buy or sell insider transaction?

The HYAC Form 3 is an initial statement of beneficial ownership, not a buy or sell transaction. It records existing indirect holdings of 4,902,989 Class A shares rather than reporting new market purchases or sales by the reporting persons.

What type of security is reported in the HYAC insider holdings?

The filing covers HYAC’s Class A shares. The reporting persons collectively show indirect beneficial ownership of 4,902,989 Class A shares, establishing their significant equity position in Haymaker Acquisition Corp. 4 at the time of the Form 3 filing.