Wealthspring & Matthew Simpson (NASDAQ: HYAC) report 0% ownership in Haymaker

Rhea-AI Filing Summary

Wealthspring Capital LLC and Matthew Simpson jointly filed an amendment to Schedule 13G/A reporting beneficial ownership of Haymaker Acquisition Corp. 4 Class A ordinary shares. The filing lists 0 shares beneficially owned, representing 0% of the class. The joint filing agreement is signed April 8, 2026, and the cover shows CUSIP G4375F108 and a header date of 03/31/2026. The filing names the issuer's principal executive office at 501 Madison Avenue, Floor 5, New York, NY 10022.

Key Figures

Amount beneficially owned: 0 shares Percent of class: 0 % Par value: $0.0001 per share +3 more

6 metrics

Amount beneficially owned 0 shares Schedule 13G/A ownership table

Percent of class 0 % Schedule 13G/A ownership table

Par value $0.0001 per share Class A Ordinary Shares description

CUSIP G4375F108 Cover/header line

Signature date 04/08/2026 Signature block for Matthew Simpson

Header date 03/31/2026 Document header line

Key Terms

Schedule 13G/A, Joint Filing Agreement, beneficially owned

3 terms

Schedule 13G/A regulatory

"Amendment No. 1 ) Haymaker Acquisition Corp. 4"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Joint Filing Agreement regulatory

"Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)"

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 0"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Haymaker Acquisition Corp. 4

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G4375F108

(CUSIP Number)

03/31/2026

(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): G4375F108

1

Names of Reporting Persons

Wealthspring Capital 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

NEW YORK

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)

IA, PN

SCHEDULE 13G

CUSIP Number(s): G4375F108

1

Names of Reporting Persons

Matthew Simpson

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, IA, IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Haymaker Acquisition Corp. 4
(b)	Address of issuer's principal executive offices: 501 Madison Avenue, Floor 5, New York, NEW YORK 10022
Item 2.
(a)	Name of person filing: Wealthspring Capital LLC Matthew Simpson
(b)	Address or principal business office or, if none, residence: 2 WESTCHESTER PARK DRIVE SUITE 108 WEST HARRISON, New York 10604
(c)	Citizenship: Wealthspring Capital LLC - NEW YORK Matthew Simpson - UNITED STATES
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP No.:
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: Wealthspring Capital LLC - 0 Matthew Simpson - 0
	(ii) Shared power to vote or to direct the vote: Wealthspring Capital LLC - 0 Matthew Simpson - 0
	(iii) Sole power to dispose or to direct the disposition of: Wealthspring Capital LLC - 0 Matthew Simpson - 0
	(iv) Shared power to dispose or to direct the disposition of: Wealthspring Capital LLC - 0 Matthew Simpson - 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.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
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.

Wealthspring Capital LLC

Signature:	/s/ Matthew Simpson
Name/Title:	Manager
Date:	04/08/2026

Matthew Simpson

Signature:	Matthew Simpson
Name/Title:	Control Person
Date:	04/08/2026

Exhibit Information

Exhibit 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to below) on behalf of each of them a statement on Schedule 13G (including amendments thereto, if any) with respect to the ordinary shares of Haymaker Acquisition Corp. 4 and that this Agreement may be included as an Exhibit to such joint filing. Each of the undersigned agrees to be responsible for the timely filing of the Schedule 13G and any amendments thereto, and for the completeness and accuracy of the information concerning such person contained therein; but none of them is responsible for the completeness or accuracy of the information concerning the other persons making the filing, unless such person knows or has reason to believe that such information is inaccurate. IN WITNESS WHEREOF, the undersigned hereby execute this Agreement as of April 8, 2026. Wealthspring Capital LLC /s/ Matthew Simpson Name: Matthew Simpson Title: Manager /s/ Matthew Simpson Name: Matthew Simpson

FAQ

What does the Schedule 13G/A filed by Wealthspring Capital LLC and Matthew Simpson (HYAC) disclose?

The filing discloses joint reporting of beneficial ownership of Haymaker Acquisition Corp. 4 Class A shares. It lists 0 shares beneficially owned, 0% of the class, and includes a Joint Filing Agreement signed April 8, 2026.

Does Wealthspring Capital LLC or Matthew Simpson hold any Haymaker Acquisition Corp. 4 shares (HYAC)?

No; the Schedule 13G/A reports zero ownership. The filing explicitly states an amount beneficially owned of 0 and a percent of class of 0% for both reporting persons.

Who signed the Schedule 13G/A amendment for HYAC and when was it signed?

Matthew Simpson signed on behalf of Wealthspring Capital LLC. The Joint Filing Agreement and signatures are dated April 8, 2026 in the filing's signature block.

What class and CUSIP are covered by this Schedule 13G/A for HYAC?

The filing covers Class A Ordinary Shares, par value $0.0001 per share. The document lists the CUSIP as G4375F108 and identifies the issuer as Haymaker Acquisition Corp. 4.

Where is the issuer's principal executive office listed in the HYAC Schedule 13G/A?

The filing lists the issuer's principal executive office as 501 Madison Avenue, Floor 5, New York, NY 10022. That address appears in Item 1(b) of the schedule's text.