SEC Filing Document

Company: ERock, Inc.
Ticker: 
CIK: 2110029
Filing Type: DRS/A
Document Type: DRS/A
Date Filed: 2026-04-01
Accession Number: 0001193125-26-138217
Exchange: 
SIC Code: 3620
SIC Description: Electrical Industrial Apparatus
URL: https://www.sec.gov/Archives/edgar/data/2110029/000119312526138217/filename1.htm

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is made, distributed or directed to not more than 35 investors, subject to certain conditions (the “Addressed Investors”), or (ii) the offer is made, distributed or directed to certain qualified investors defined in the First Addendum of the Israeli Securities Law, 5728—1968, subject to certain conditions (the “Qualified Investors”). The Qualified Investors shall not be taken into account in the count of the Addressed Investors and may be offered to purchase securities in addition to the 35 Addressed Investors. We have not and will not take any action that would require it to publish a prospectus in accordance with and subject to the Israeli Securities Law, 5728—1968. We have not and will not distribute this prospectus or make, distribute or direct an offer to subscribe for our Class A common stock to any person within the State of Israel, other than to Qualified Investors and up to 35 Addressed Investors.

Qualified Investors may have to submit written evidence that they meet the
definitions set out in the First Addendum to the Israeli Securities Law, 5728—1968. In particular, we may request, as a condition to be offered Class A common stock, that Qualified Investors will each represent, warrant and certify to us
and/or to anyone acting on our behalf: (i) that it is an investor falling within one of the categories listed in the First Addendum to the Israeli Securities Law, 5728—1968; (ii) which of the categories listed in the First Addendum to the
Israeli Securities Law, 5728—1968 regarding Qualified Investors is applicable to it; (iii) that it will abide by all provisions set forth in the Israeli Securities Law, 5728—1968 and the regulations promulgated thereunder in
connection with the offer to be issued Class A common stock; (iv) that the shares of Class A common stock that it will be issued are, subject to exemptions available under the Israeli Securities Law, 5728—1968: (a) for its own
account; (b) for investment purposes only; and (c) not issued with a view to resale within the State of Israel, other than in accordance with the provisions of the Israeli Securities Law, 5728—1968; and (v) that it is willing to
provide further evidence of its Qualified Investor status. Addressed Investors may have to submit written evidence in respect of their identity and may have to sign and submit a declaration containing, inter alia, the Addressed Investor’s
name, address and passport number or Israeli identification number.

Japan

The shares of Class A common stock have not been and will not be registered under the Financial Instruments and Exchange
Act of Japan (Act No. 25 of 1948, as amended; the “FIEA”) and no shares of Class A common stock will be offered or sold, directly or indirectly, in Japan or to, or for the benefit of, any resident of

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Japan (which term as used herein means any person “resident” in Japan, including any corporation or other entity organized under the laws of Japan), or to others for re-offering or resale, directly or indirectly, in Japan or to, or for the benefit of, any resident of Japan except pursuant to an exemption from the registration requirements of, and otherwise in compliance with,
the FIEA and any other applicable laws, regulations and ministerial guidelines of Japan in effect at the relevant time.

Singapore

This prospectus has not been registered as a prospectus with the Monetary Authority of Singapore. Accordingly, this prospectus
and any other document or material in connection with the offer or sale, or invitation for subscription or purchase, of the shares of Class A common stock may not be circulated or distributed, nor may the shares be offered or sold, or be made
the subject of an invitation for subscription or purchase, whether directly or indirectly, to persons in Singapore other than (i) to an institutional investor (as defined under Section 4A of the Securities and Futures Act, Chapter 289 of
Singapore (the “SFA”)) under Section 274 of the SFA, (ii) to a relevant person (as defined in Section 275(2) of the SFA) pursuant to Section 275(1) of the SFA, or any person pursuant to Section 275(1A) of the
SFA, and in accordance with the conditions specified in Section 275 of the SFA or (iii) otherwise pursuant to, and in accordance with the conditions of, any other applicable provision of the SFA, in each case subject to conditions set
forth in the SFA.

Where the shares of Class A common stock are subscribed or purchased under Section 275 of the
SFA by a relevant person which is:

(a) a corporation (which is not an accredited investor (as defined in Section 4A of the SFA)) the sole
business of which is to hold investments and the entire share capital of which is owned by one or more individuals, each of whom is an accredited investor;

(b) a trust (where the trustee is not an accredited investor) whose sole purpose is to hold investments and each
beneficiary of the trust is an individual who is an accredited investor;

the securities (as defined in
Section 239(1) of the SFA) of that corporation shall not be transferable for six months after that corporation has acquired the shares under Section 275 of the SFA except:

(a) to an institutional investor or to a relevant person, or to any person arising from an offer referred to in
Section 275(1A) or Section 276(4)(i)(B) of the SFA;

(b) where no consideration is or will be given for the transfer;

(c) where the transfer is by operation of law; or

(d) as specified in Section 276(7) of the SFA; or

Singapore Securities and Futures Act Product Classification—Solely for the purposes of its obligations pursuant
to Sections 309B(1)(a) and 309B(1)(c) of the SFA, we have determined, and hereby notify all relevant persons (as defined in Section 309A of the SFA) that the shares of Class A common stock are prescribed capital markets products (as
defined in the Securities and Futures (Capital Markets Products) Regulations 2018) and Excluded Investment Products (as defined in MAS Notice SFA 04-N12: Notice on the Sale of Investment Products and MAS
Notice FAA-N16: Notice on Recommendations on Investment Products).

United
Arab Emirates

The shares of Class A common stock have not been, and will not be, publicly offered, sold,
promoted or advertised in the United Arab Emirates (including the Dubai International Financial Center) other than in compliance with the laws of the United Arab Emirates (and the Dubai International Financial Center) governing the issue, offering
and sale of securities. Further, this prospectus does not constitute a public offer of securities in the United Arab Emirates (including the Dubai International Financial Center) and is not intended to be a public

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offer. This prospectus has not been approved by or filed with the Central Bank of the United Arab Emirates, the Securities and Commodities Authority, Financial Services Regulatory Authority or
the Dubai Financial Services Authority.

Brazil

The offer and sale of the shares of Class A common stock have not been and will not be registered with the Brazilian
Securities Commission (Comissão de Valores Mobiliários, or “CVM”) and, therefore, will not be carried out by any means that would constitute a public offering in Brazil under CVM Resolution No 160, dated 13 July 2022,
as amended or unauthorized distribution under Brazilian laws and regulations. The shares of Class A common stock may only be offered to Brazilian professional investors (as defined by applicable CVM regulation), who may only acquire the
securities through a non-Brazilian account, with settlement outside Brazil in non-Brazilian currency. The trading of these securities on regulated securities markets in
Brazil is prohibited.

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LEGAL MATTERS

The validity of the shares of common stock offered by this prospectus will be passed upon for us by Gibson, Dunn &
Crutcher LLP, Houston, Texas. Certain legal matters in connection with this offering will be passed upon for the underwriters by Davis Polk & Wardwell LLP, New York, New York.

EXPERTS

The balance sheet of ERock, Inc. as of January 21, 2026, included in this Prospectus, has been audited by
Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report. Such balance sheet is included in reliance upon the report of such firm given their authority as experts in accounting and auditing.

The financial statements of Enchanted Rock Holdings, LLC as of December 31, 2025 and 2024, and for each of the
two years in the period ended December 31, 2025, included in this prospectus have been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report. Such financial statements are
included in reliance upon the report of such firm given their authority as experts in accounting and auditing.

WHERE YOU CAN FIND ADDITIONAL INFORMATION