SEC Filing Document

Company: ERock, Inc.
Ticker: 
CIK: 2110029
Filing Type: S-1
Document Type: S-1
Date Filed: 2026-05-15
Accession Number: 0001193125-26-227199
Exchange: 
SIC Code: 3620
SIC Description: Electrical Industrial Apparatus
URL: https://www.sec.gov/Archives/edgar/data/2110029/000119312526227199/d12401ds1.htm

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or redemptions in the case of a director, for any transaction from which the director or officer derived an improper personal benefit, or in any action by or in the right of the corporation in the case of an officer. We will enter into written indemnification agreements with each of our executive officers and directors that provide, in general, that we will indemnify them to the fullest extent permitted by law in connection with their service to us or on our behalf. The proposed form of Underwriting Agreement to be filed as Exhibit 1.1 to this Registration Statement will provide for indemnification of our directors and officers by the underwriters against certain liabilities. Item 15. Recent Sales of Unregistered Securities. Except as set forth below, in the three years preceding the filing of this registration statement, we have not issued any securities that were not registered under the Securities Act.

In connection with the Reorganization effected prior to the
sale and distribution of the securities being registered, we issued     shares of our common stock to our Sponsor for no consideration. These shares of our common stock were issued in reliance on the exemption contained in
Section 4(a)(2) of the Securities Act on the basis that the transaction did not involve a public offering. No underwriters were involved in the transaction.

On December 27, 2024, we entered into a note purchase agreement with an affiliate investor, pursuant to which we agreed
to issue and sell a minimum aggregate principal amount of $20.0 million and a maximum

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aggregate principal amount of $50.0 million of convertible promissory notes. On December 27, 2024, we issued a $10.0 million convertible promissory note to the investor, and in
January and February 2025, we issued a total of $10.0 million additional convertible promissory notes to the investor.

In April 2025, we amended and restated the note purchase agreement and each of the previously-issued convertible notes and in
August and September 2025, we issued an additional $70,000 of convertible notes. On May 13, 2026, portions of the convertible notes were converted into common units of ER Holdings and the remaining convertible notes were redeemed in cash. As a
result, the convertible notes are no longer outstanding as of the date of this prospectus.

The convertible notes were
issued in reliance on the exemption contained in Section 4(a)(2) of the Securities Act on the basis that the transaction did not involve a public offering. No underwriters were involved in the transaction.

Item 16.	Exhibits and Financial Statement Schedules.

(a) Exhibits

Exhibit No. Description of Exhibit

1.1* Form of Underwriting Agreement.

3.1 Form of Amended and Restated Certificate of Incorporation.

3.2 Form of Amended and Restated Bylaws.

4.1* Form of Registration Rights Agreement.

5.1* Opinion of Gibson, Dunn & Crutcher LLP.

10.1 Form of Indemnification Agreement.

10.2† Form of ERock, Inc. 2026 Equity Incentive Plan.

10.3† Non-Employee Director Compensation Policy.

10.4† Form of ERock, Inc. Executive Severance Plan.

10.5* Form of Sixth Amended and Restated Limited Liability Company Agreement of Enchanted Rock Holdings, LLC.

10.6* Form of Tax Receivable Agreement.

10.7# Office/Warehouse Lease Agreement, dated June 1, 2018, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.8# First Amendment to Office/Warehouse Lease Agreement, dated November 1, 2018, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.9# Second Amendment to Office/Warehouse Lease Agreement, dated October 1, 2019, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.10# Third Amendment to Office/Warehouse Lease Agreement, dated November 1, 2019, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.11# Fourth Amendment to Office/Warehouse Lease Agreement, dated May 1, 2020, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.12# Fifth Amendment to Office/Warehouse Lease Agreement, dated August 1, 2020, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.13# Sixth Amendment to Office/Warehouse Lease Agreement, dated November 1, 2020, by and between Vine Street Studios, LLC and Enchanted Rock Management, LLC.

10.14# Lease Agreement, dated June 2, 2023, by and between Duke Realty Limited Partnership and Enchanted Rock , LLC.

10.15# First Amendment to Lease Agreement, dated October 24, 2023, by and between Duke Realty Limited Partnership and Enchanted Rock, LLC.

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Exhibit No. Description of Exhibit

10.16# Lease Agreement, dated December 8, 2026, by and between Prologis, L.P. and Enchanted Rock, LLC.

21.1 List of subsidiaries of ERock, Inc.

23.1 Consent of Deloitte & Touche LLP, independent registered public accounting firm to ERock, Inc.

23.2 Consent of Deloitte & Touche LLP, independent registered public accounting firm to Enchanted Rock Holdings, LLC.

23.3* Consent of Gibson, Dunn & Crutcher LLP (included in Exhibit 5.1).

24.1 Power of Attorney (included on the signature page hereto).

99.1 Consent of Charles Boynton to be named as a director nominee.

99.2 Consent of Dan Brouillette to be named as a director nominee.

99.3 Consent of Hans Kobler to be named as a director nominee.

99.4 Consent of Mark Petterson to be named as a director nominee.

99.5 Consent of Sameer Reddy to be named as a director nominee.

99.6 Consent of Tony Satterthwaite to be named as a director nominee.

99.7 Consent of Lindsay Luger to be named as a director nominee.

107 Filing Fee Table.

*	To be filed by amendment.

†	Management contract or compensatory plan or arrangement.

#	Portions of the exhibit have been omitted for confidentiality purposes.

(b) Financial Statement Schedules

Financial statement schedules have been omitted because the information is not applicable or included in our consolidated
financial statements included in the prospectus that forms a part of this Registration Statement.

Item 17.	Undertakings.

Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and
controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the Securities and Exchange Commission such indemnification is against public policy as expressed in the
Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the
registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final
adjudication of such issue.

The undersigned registrant hereby undertakes that:

(1) For purposes of determining any liability under the Securities Act, the information omitted from the form
of prospectus filed as part of this registration statement in reliance upon Rule 430A and contained in a form of prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4) or 497(h) under the Securities Act shall be deemed to be part
of this registration statement as of the time it was declared effective.

(2) For the purpose of
determining any liability under the Securities Act, each post-effective amendment that contains a form of prospectus shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

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SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, the registrant has duly caused this registration statement to be
signed on its behalf by the undersigned, thereunto duly authorized, in the city of Houston, Texas, on May 15, 2026.

ERock, Inc.

By: /s/ John Carrington

Name: John Carrington

Title: Chief Executive Officer

POWER OF ATTORNEY