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

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1. Name and Address of Reporting Person^*

Amthor Corey

(Last)

(First)

(Middle)

C/O EROCK, INC.

1113 VINE STREET, SUITE 101

(Street)

HOUSTON

77002

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/09/2026

3. Issuer Name and Ticker or Trading Symbol
ERock, Inc. [ EROC ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

5. If Amendment, Date of Original Filed (Month/Day/Year)

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 B Common Stock	4,705,874⁽¹⁾	D
Class B Common Stock	1,534,876⁽¹⁾	I	By Amthor Family Holdings, Ltd.

**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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Class B Units	⁽²⁾	⁽²⁾	Class A Common Stock	4,705,874	⁽²⁾	D
Class B Units	⁽²⁾	⁽²⁾	Class A Common Stock	1,534,876	⁽²⁾	I	By Amthor Family Holdings, Ltd.
Class M Units	⁽²⁾⁽³⁾⁽⁴⁾	⁽²⁾⁽³⁾⁽⁴⁾	Class A Common Stock	149,898	0.15⁽²⁾⁽³⁾⁽⁴⁾	I	By Amthor Family Holdings, Ltd.
Class M Units	⁽²⁾⁽³⁾⁽⁵⁾	⁽²⁾⁽³⁾⁽⁵⁾	Class A Common Stock	143,903	0.15⁽²⁾⁽³⁾⁽⁵⁾	I	By Amthor Family Holdings, Ltd.
Class M Units	⁽²⁾⁽³⁾⁽⁶⁾	⁽²⁾⁽³⁾⁽⁶⁾	Class A Common Stock	1,740,823	0.15⁽²⁾⁽³⁾⁽⁶⁾	I	By Amthor Family Holdings, Ltd.
Class M Units	⁽²⁾⁽³⁾⁽⁷⁾	⁽²⁾⁽³⁾⁽⁷⁾	Class A Common Stock	3,783,440	1.61⁽²⁾⁽³⁾⁽⁷⁾	I	By Amthor Family Holdings, Ltd.

Explanation of Responses:

1. Shares of the Issuer's Class B common stock ("Class B Common Stock") have no economic value and have one vote per share. One share of Class B Common Stock is issued for each Class B Unit ("Class B Units") of Enchanted Rock Holdings, LLC ("ER Holdings") held. Upon an exchange of Class B Units for shares of the Issuer's Class A common stock ("Class A Common Stock"), an equivalent number of shares of Class B Common Stock held by such holder will be automatically cancelled.

2. Class B Units are exchangeable, at the holder's option, on a one-for-one basis for shares of Class A Common Stock of the Issuer or cash (at the Issuer's election).

3. Reflect Class M Units ("Class M Units") of ER Holdings, which are "profits interests" for U.S. federal income tax purposes. Vested Class M Units are convertible, at the holder's option, into a number of Class B Units generally equal to the product of (a) the number of vested Class M Units to be converted, and (b) a fraction, the numerator of which is the amount that would be distributed in respect of the vested Class M Unit (taking into account the applicable threshold amount), and the denominator of which is the amount that would be distributed in respect of a Class B Unit, in each case if, immediately before the exchange, ER Holdings were to sell all of its assets for their fair market values, pay any liabilities, and distribute the proceeds available for distribution, subject to certain adjustments. Class M Units have no expiration date.

4. 110,425 of these Class M Units have vested, and the remaining Class M Units vest in 25 equal monthly installments on the first day of each calendar month commencing July 2026 and ending July 2028, subject to the Reporting Person's continuous service to the Issuer.

5. 128,913 of these Class M Units have vested, and the remaining Class M Units vest in 10 equal monthly installments on the first day of each calendar month commencing July 2026 and ending April 2027, subject to the Reporting Person's continuous service to the Issuer.

6. 483,558 of these Class M Units have vested, and the remaining Class M Units vest in 26 equal monthly installments commencing June 28, 2026 and ending July 28, 2028, subject to the Reporting Person's continuous service to the Issuer.

7. 630,573 of these Class M Units have vested, and the remaining Class M Units vest in 30 equal monthly installments commencing June 26, 2026 and ending November 26, 2028, subject to the Reporting Person's continuous service to the Issuer.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Davis Zapffe, Attorney-in-fact for Corey Amthor	06/09/2026
	** 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

Documents

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

3: Initial statement of beneficial ownership of securities

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES