Suncrete, Inc. (RMIX) COO holds 898,521 restricted Class A shares

Rhea-AI Filing Summary

Suncrete, Inc. Chief Operating Officer Mark Alan Jones filed an initial ownership report showing holdings of 898,521 restricted shares of Class A Common Stock as of April 8, 2026. These restricted shares are subject to the restrictions applicable to incentive units issued by Concrete Partners Holding, LLC prior to its business combination with Haymaker Acquisition Corp. 4.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Jones Mark Alan

Role Chief Operating Officer

Type	Security	Shares	Price	Value
holding	Class A Common Stock	--	--	--

Holdings After Transaction: Class A Common Stock — 898,521 shares (Direct)

Footnotes (1)

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Key Figures

Restricted Class A shares held: 898,521 shares Net buy/sell shares in filing: 0 shares Holding entries: 1 entry

3 metrics

Restricted Class A shares held 898,521 shares Directly held by COO Mark Alan Jones as of April 8, 2026

Net buy/sell shares in filing 0 shares Form 3 transaction summary shows neutral net buy-sell direction

Holding entries 1 entry Single holding record for Class A Common Stock

Key Terms

restricted shares, Class A Common Stock, incentive units, business combination

4 terms

restricted shares financial

"Consists of 898,521 restricted shares of Class A Common Stock of Suncrete, Inc."

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

Class A Common Stock financial

"Consists of 898,521 restricted shares of Class A Common Stock of Suncrete, Inc."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

incentive units financial

"subject to the restrictions applicable to incentive units issued by Concrete Partners Holding, LLC"

Incentive units are ownership stakes a company grants to employees, contractors or advisors as part of pay, which become valuable only after certain conditions are met (for example, after a period of time or when performance targets are hit). They matter to investors because they create potential future claims on profits or ownership—similar to performance-based coupons that convert into a slice of the business—and can dilute existing holders or change incentives for management.

business combination financial

"prior to its business combination with Haymaker Acquisition Corp. 4."

A business combination happens when two or more companies join together to operate as one, like two friends merging their teams into a single group. This is important because it can change how companies grow, compete, and make money, often making them bigger and more powerful in the market.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED 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
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1. Name and Address of Reporting Person^*

Jones Mark Alan

(Last) (First) (Middle)

817 E. 4TH STREET

(Street)

TULSA OKLAHOMA 74120

(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
Suncrete, Inc. [ RMIX ]

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form 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 A Common Stock	898,521(1)	D

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 Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Consists of 898,521 restricted shares of Class A Common Stock of Suncrete, Inc. subject to the restrictions applicable to incentive units issued by Concrete Partners Holding, LLC prior to its business combination with Haymaker Acquisition Corp. 4.

	/s/ Mark Alan Jones	04/15/2026
	** Signature of Reporting Person	Date
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)

FAQ

What does Suncrete (RMIX) COO Mark Alan Jones report on this Form 3?

He reports initial beneficial ownership of 898,521 restricted shares of Suncrete, Inc. Class A Common Stock. This filing establishes his starting equity position as Chief Operating Officer, with the shares held directly and reflected as of April 8, 2026.

How many Suncrete (RMIX) shares does the COO directly hold?

The COO directly holds 898,521 restricted shares of Class A Common Stock. This figure represents his total reported holdings following the reported date, with no separate buy or sell transactions disclosed in this Form 3 filing data.

Are the Suncrete (RMIX) shares held by the COO restricted?

Yes. All 898,521 reported shares are described as restricted shares of Class A Common Stock. They remain subject to restrictions that applied to incentive units of Concrete Partners Holding, LLC issued before its business combination with Haymaker Acquisition Corp. 4.

Does this Suncrete (RMIX) Form 3 show any insider buying or selling?

No insider buying or selling is shown; the entry is categorized as a holding. The transaction summary shows zero buy or sell transactions, with one holding entry and net buy-sell direction classified as neutral in the data.

What is the origin of the COO’s restricted Suncrete (RMIX) shares?

The 898,521 restricted shares consist of equity tied to incentive units issued by Concrete Partners Holding, LLC. Those incentive units existed before its business combination with Haymaker Acquisition Corp. 4 and now correspond to restricted Class A Common Stock of Suncrete.