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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a traffic violation or other offense or violation outside of the course of employment which in no way adversely affects ER Holdings and its subsidiaries or the ability of holder to perform his or her duties), (iv) attempt to willfully obtain any personal profit from any transaction in which ER Holdings or any of its subsidiaries has an interest which is adverse to the interests of ER Holdings or its subsidiaries or any other act of fraud or embezzlement, (v) reporting to work under the influence of alcohol or illegal drugs or repeatedly using alcohol or illegal drugs in such a fashion as to cause ER Holdings economic harm, (vi) intentional act or intentional omission by holder aiding or abetting a competitor, supplier or customer to the disadvantage or detriment of ER Holdings, or (vii) material breach of any covenant or agreement with ER Holdings or any of its subsidiaries.

• A “Company Sale” is generally defined as the consummation of: (i) a merger or consolidation
of ER Holdings except (a) any merger or consolidation solely between ER Holdings and a wholly-owned subsidiary or parent entity, or (b) any such merger or consolidation in which the units of ER Holdings outstanding immediately prior to
such merger or consolidation continue to represent at least a majority, by voting power, of the outstanding equity securities of the surviving or resulting entity; (ii) the sale, transfer, exclusive license or other disposition of all or
substantially all the assets of ER Holdings and its subsidiaries except (a) where such sale, transfer, exclusive license or other disposition is to wholly-owned subsidiaries of ER Holdings, or (b) if the units outstanding immediately prior
to such transaction continue to represent at least a majority, by voting power, of the outstanding equity securities of the surviving or resulting entity; (iii) a sale by members of ER Holdings of outstanding units representing a majority of
the aggregate number of common units and preferred units outstanding as of immediately prior to such transaction, except where the holders immediately prior to such transaction continue to hold at least a majority, by voting power, of the
outstanding equity securities of the acquiring entity; or (iv) an issuance by ER Holdings of units which, after giving effect to such issuance, represent a majority of the aggregate number of common units outstanding as of immediately after
such issuance.

• A “Distribution Achievement” generally means an aggregate amount has been distributed to the
holders of Series A Preferred Units of ER Holdings equal to two times a specified “Preferred Issue Price” as applicable to such preferred unit in accordance with ER Holdings’ limited liability company agreement.

• An “IPO” generally means a firm commitment underwritten public offering pursuant to an effective
registration statement filed under the Securities Act covering the offer and sale of ER Holdings’ common units (or such class of securities into which the common units are converted into upon the conversion of ER Holdings into a C-corporation) for the account of ER Holdings.

ERock, Inc. Executive Severance
Plan

In connection with this offering, we intend to adopt the ERock, Inc. Executive Severance Plan (the
“ERock Severance Plan”), pursuant to which participants will be eligible to receive certain severance benefits upon a qualifying termination of employment. Each of our NEOs (except for Mr. McAndrew) is currently expected to become a
participant in the ERock Severance Plan, subject to their execution of a participation agreement, and the ERock Severance Plan will replace the severance benefits provided under their employment agreements and the Severance Plan as described above.

The ERock Severance Plan will generally provide the following severance benefits in the event of an executive
participant’s termination of employment without Cause prior to or more than 24 months following a

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Change in Control: (1) cash severance payments equal to the participant’s base salary and target annual bonus payable in installments over a 12-month period; (2) a pro-rata annual bonus for
the year of termination based on actual performance for such year; and (3) 12 months of company-paid COBRA premiums. In the event of an executive participant’s termination without Cause or resignation for Good Reason upon or within 24 months
following a Change in Control, such participant will generally be entitled to: (1) a lump sum cash payment equal to 2.0 multiplied by the sum of the participant’s base salary and target annual bonus; (2) a pro-rata target annual bonus for the
year of termination; and (3) 24 months of company-paid COBRA premiums. Severance payments and benefits are subject to the participant’s execution of a general release of claims and continued compliance with certain restrictive covenants,
including confidentiality, non-solicitation, non-competition and non-disparagement covenants.

As used in the ERock
Severance Plan:

• “Cause” generally has the same meaning set forth above for the Severance Plan;

• “Good Reason” generally means the occurrence of any of the following without the
Participant’s consent: (i) a material diminution in the participant’s duties, responsibilities, or authority; (ii) a reduction of the participant’s base salary by 10% or more (unless pursuant to across-the-board reductions that
affect all or substantially all senior management employees); or (iii) a relocation of the participant’s principal work location by more than 50 miles; and

• “Change in Control” has the same meaning given to such term in the 2026 Plan.

Transaction Bonuses

Messrs. Amthor and Blakely are each eligible to receive one-time cash transaction
bonuses upon a Company Sale, subject to their continued employment through such Company Sale, equal to (i) for Mr. Amthor, 2% of the fair market value received by ER Holdings and its equityholders and subsidiaries in connection with such
Company Sale, less the aggregate fair market value distributed to the common units and the Compensatory Units of ER Holdings held by Mr. Amthor in connection with such Company Sale, and (ii) for Mr. Blakely, 1% of the fair market
value, up to a fair market value of $200,000,000, received by ER Holdings and its equityholders and subsidiaries in connection with such Company Sale, up to a maximum bonus of $2,000,000.

Clawback Policy

In connection with this offering, we will adopt a compensation recoupment (clawback) policy that complies with the NYSE listing
standards implementing Rule 10D-1 of the Exchange Act.

2026 Equity Incentive Plan

In connection with this offering, we intend to adopt the 2026 Equity Incentive Plan (the “2026 Plan”). The purpose
of the 2026 Plan is to promote and closely align the interests of our employees, officers, non-employee directors, and other service providers and our stockholders by providing stock-based compensation and
other performance-based compensation. The objectives of the 2026 Plan are to attract and retain the best available personnel for positions of substantial responsibility and to motivate participants to optimize our profitability and growth through
incentives that are consistent with our goals and that link the personal interests of participants to those of our stockholders. The 2026 Plan allows for the grant of stock options, both incentive stock options and
“non-qualified” stock options; stock appreciation rights (“SARs”), alone or in conjunction with other awards; restricted stock and restricted stock units (“RSUs”); incentive
bonuses, which may be paid in cash, Class A common stock, or a combination thereof; and other stock-based awards. We refer to these collectively herein as “Awards.”

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The following description of the 2026 Plan is not intended to be complete
and is qualified in its entirety by reference to the complete text of the 2026 Plan, a copy of which will be filed as an exhibit to the registration statement of which this prospectus forms a part. Please read the 2026 Plan in its entirety.

Administration

The 2026
Plan will be administered by the compensation committee of our board of directors (or another committee designated by our board of directors to administer the 2026 Plan), which we refer to herein as the “Administrator.” The Administrator
will have broad authority, subject to the provisions of the 2026 Plan, to administer and interpret the 2026 Plan and Awards granted thereunder. All decisions and actions of the Administrator will be final.

Stock Subject to 2026 Plan