SEC Filing Document

Company: ERock, Inc.
Ticker: 
CIK: 2110029
Filing Type: DRS
Document Type: DRS
Date Filed: 2026-02-17
Accession Number: 0001193125-26-054926
Exchange: 
SIC Code: 3620
SIC Description: Electrical Industrial Apparatus
URL: https://www.sec.gov/Archives/edgar/data/2110029/000119312526054926/filename1.htm

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annum, compounding quarterly, with PIK, meaning that accrued interest is added to the principal balance. Interest begins accruing on the issue date and continues until the earlier of the note’s maturity or any event that triggers conversion or repayment prior to maturity, at the lender’s election. For more information on the December 2024 Convertible Note, see Note 11 – Debt, to our consolidated financial statements included in this prospectus. In January and February 2025, pursuant to the 2024 Note Purchase Agreement, we issued a total of $10.0 million in Additional 2024 Convertible Notes to our Sponsor on substantially the same terms and conditions as the December 2024 Convertible Note. In April 2025, in connection with the A&R Note Purchase Agreement, we amended and restated each of the December 2024 Convertible Note and the Additional 2024 Convertible Notes and issued an additional $15.3 million in 2025 Convertible Notes to our Sponsor.

The 2025 Convertible Notes bear interest at 15.0% per annum, compounding quarterly, with PIK. Interest begins accruing on the
original issue date of the applicable 2025 Convertible Note and continues until the earlier of the note’s maturity or any event that triggers conversion or repayment prior to maturity. Amounts outstanding under the 2025 Convertible Notes will
mature on December 27, 2026, with respect to 2025 Convertible Notes originally issued under the 2024 Note Purchase Agreement, or on April 29, 2027, with respect to 2025 Convertible Notes originally issued on or after the effective date of
the A&R Note Purchase Agreement. For more information on the A&R Convertible Notes, see Note 19 – Subsequent Events, to our consolidated financial statements included in this prospectus.

Policies and Procedures for Review of Related Person Transactions

Our board of directors will adopt a written related person transactions policy prior to the completion of this offering. Under
the SEC rules and this policy, a “Related Person Transaction” is a transaction, arrangement or relationship in which we or any of our subsidiaries was, is or will be a participant, the amount of which involved exceeds $120,000, and in
which any related person had, has or will have a direct or indirect material interest. For purposes of SEC rules and the policy, a “Related Person” means:

• any person who is, or at any time during the applicable period was, one of our executive officers or one of
our directors;

• any person who is known by us to be the beneficial owner of more than 5.0% of any class of our common stock;
and

• any immediate family member of any of the foregoing persons, which means any child, stepchild, parent,
stepparent, spouse, sibling, mother-in-law, father-in-law,
son-in-law, daughter-in-law, brother-in-law or sister-in-law of a director, executive officer or a beneficial owner of more than 5.0% of any class of our
common stock, and any person (other than a tenant or employee) sharing the household of such director, executive officer or beneficial owner of more than 5.0% of any class of our common stock.

In approving or disapproving any Related Person Transaction, we expect that our audit committee will consider the relevant
facts and circumstances available and deemed relevant to the audit committee. Any member of the audit committee who is a Related Person with respect to a transaction under review will not be permitted to participate in the deliberations or vote on
approval or disapproval of the transaction. We did not have a formal review and approval policy for related person transactions at the time of any transaction described above.

Table of Contents

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

The following table sets forth information with respect to the beneficial ownership of our common stock that, upon
the consummation of this offering and transactions related thereto, will be owned by:

• each person known to us to beneficially own more than 5% of the outstanding shares of our common stock;

• each of our named executive officers, directors and director nominees; and

• all of our executive officers and directors as a group.

The percentage ownership information shown in the table is based on    shares of our common stock
outstanding as of    , 2026, after giving effect to the Reorganization and the sale of     shares of Class A common stock in this offering. The table does not reflect any shares of our common
stock that may be issued under the 2026 Plan or 2026 ESPP as described under “Executive Compensation—2026 Equity Incentive Plan” and “Executive Compensation—2026 Employee Stock Purchase Plan.”

Unless otherwise indicated below, the address of each beneficial owner listed below is c/o Enchanted Rock, Inc., 1113 Vine
Street, Suite 101, Houston, Texas 77002.

Shares Beneficially Owned Prior to This Offering Shares Beneficially Owned After This Offering (No Exercise) Shares Beneficially Owned After This Offering (Full Exercise)

Name or Beneficial Owner Number % Class A common stock Class B common stock Combined Voting Power Class A common stock Class B common stock Combined Voting Power

Number % Number % Number % Number % Number % Number %

5% Shareholders:

Entities affiliated with our Sponsor % % % % % % %

Named Executive Officers, Directors and Director Nominees:

John Carrington % % % % % % %

Corey Amthor % % % % % % %

Ian Blakely % % % % % % %

Paul Froutan % % % % % % %

Davis Zapffe % % % % % % %

Thomas McAndrew % % % % % % %

Hans Kobler % % % % % % %

Sameer Reddy % % % % % % %

All executive officers, directors and director nominees as a group (  persons) % % % % % % %

*	Represents holdings of less than 1% of any class of our common stock.

Table of Contents

DESCRIPTION OF CAPITAL STOCK

Upon completion of this offering, the authorized capital stock of Enchanted Rock will consist
of    shares of Class A common stock, $0.01 par value per share, of which    shares will be issued and outstanding,     shares of Class B common stock, $0.01 par value
per share, of which    shares will be issued and outstanding and      shares of preferred stock, $0.01 par value per share, of which no shares will be issued and outstanding.

The following summary of the capital stock and certificate of incorporation and bylaws of Enchanted Rock, Inc. does not
purport to be complete and is qualified in its entirety by reference to the provisions of applicable law and to our certificate of incorporation and bylaws, which are filed as exhibits to the registration statement of which this prospectus is a
part.

Common Stock

We will have two classes of authorized common stock: Class A common stock; and Class B common stock. Each share of
Class A common stock and Class B common stock is entitled to one vote per share on all matters presented to our stockholders generally. Holders of our common stock will vote together as a single class on all matters presented to our
stockholders for their vote or approval, except as provided in our certificate of incorporation or as otherwise required by applicable law. Holders of the Class A common stock and Class B common stock, as the case may be, would have a
separate class vote if we subdivide, combine or reclassify shares of the other class without concurrently subdividing, combining or reclassifying shares of such class in a proportional manner. Pursuant to the DGCL, the holders of the outstanding
shares of a class shall be entitled to vote as a class upon a proposed amendment, whether or not entitled to vote thereon by the certificate of incorporation, if the amendment would increase or decrease the par value of the shares of such class or
alter or change the powers, preferences, or special rights of the shares of such class so as to affect them adversely.

Class A Common Stock

Voting Rights. Holders of our Class A common stock are entitled to one vote per share held of record on all matters
to be voted upon by the stockholders. The holders of Class A common stock do not have cumulative voting rights in the election of directors.

Dividend Rights. Holders of our Class A common stock are entitled to ratably receive dividends when and if
declared by our board of directors out of funds legally available for that purpose, subject to any statutory or contractual restrictions on the payment of dividends and to any prior rights and preferences that may be applicable to any outstanding
preferred stock.

Liquidation Rights. Upon our liquidation, dissolution, distribution of assets or other winding
up, the holders of our Class A common stock are entitled to receive ratably the assets available for distribution to the stockholders after payment of liabilities and the liquidation preference of any of our outstanding shares of preferred
stock.