SEC Filing Document

Company: ERock, Inc.
Ticker: 
CIK: 2110029
Filing Type: S-1
Document Type: EX-10.4
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/d12401dex104.htm

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Plan or (ii) the date the claimant learned that he or she will not be entitled to any benefits under the Plan. If the claim is denied (in full or in part), the claimant will be provided a written notice explaining the specific reasons for the denial and referring to the provisions of the Plan on which the denial is based. The notice also will describe any additional information needed to support the claim and the Plan’s procedures for appealing the denial. The denial notice will be provided within 90 days after the claim is received. If special circumstances require an extension of time (up to 90 days), written notice of the extension will be given within the initial 90-day period. This notice of extension will indicate the special circumstances requiring the extension of time and the date by which the Committee expects to render its decision on the claim.

(b) Appeal
Procedure. If the claimant’s claim is denied, the claimant (or his or her authorized representative) may apply in writing to the Committee for a review of the decision denying the claim. Review must be requested within 60 days following
the date the claimant received the written notice of their claim denial or else the claimant loses the right to review. The claimant (or representative) then has the right to review and obtain copies of all documents and other information relevant
to the claim, upon request and at no charge, and to submit issues and comments in writing. The Committee will provide written notice of its decision on review within 60 days after it receives a review request. If additional time (up to 60 days) is
needed to review the request, the claimant (or representative) will be given written notice of the reason for the delay. This notice of extension will indicate the special circumstances requiring the extension of time and the date by which the
Committee expects to render its decision. If the claim is denied (in full or in part), the claimant will be provided a written notice explaining the specific reasons for the denial and referring to the provisions of the Plan on which the denial is
based. The notice also will include a statement that the claimant will be provided, upon request and free of charge, reasonable access to, and copies of, all documents and other information relevant to the claim and a statement regarding the
claimant’s right to bring an action under Section 502(a) of ERISA.

19. Certain Excise Taxes. Notwithstanding anything to the contrary in this Plan, if a Participant is
a “disqualified individual” (as defined in Section 280G(c) of the Code), and the Severance Benefits or CIC Severance Benefits provided for under this Plan, together with any other payments and benefits which the Participant has the
right to receive from the Company, would constitute a “parachute payment” (as defined in Section 280G(b)(2) of the Code), then the Severance Benefits or CIC Severance Benefits provided for under this Plan shall be either
(a) reduced (but not below zero) so that the present value of such total amounts and benefits received by the Participant from the Company will be one dollar ($1.00) less than three times the Participant’s “base amount” (as
defined in Section 280G(b)(3) of the Code), and so that no portion of such amounts and benefits received by the Participant shall be subject to the excise tax imposed by Section 4999 of the Code, or (b) paid in full, whichever
produces the better net after-tax position to the Participant (taking into account any applicable excise tax under Section 4999 of the Code and any other applicable taxes). The determination as to whether
any such reduction in the amount of the payments provided hereunder is necessary shall be made by the Company in good faith. If a reduced payment is made or provided, and through error or otherwise that payment, when aggregated with other payments
and benefits from the Company used in determining if a parachute payment exists, exceeds one dollar ($1.00) less than three times the Participant’s base amount, then the Participant shall immediately repay such excess to the Company upon
notification that an overpayment has been made. Nothing in this Plan shall require the Company to be responsible for, or have any liability or obligation with respect to, the Participant’s excise tax liabilities under Section 4999 of the
Code.

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EXHIBIT A

CIC Severance Benefits

Tier Severance Multiplier COBRA Period

Tier 1 2.00 24

Tier 2 1.50 18

Unless otherwise determined by the Committee:

(i)	all Participants who are designated as “executive officers” of the Company pursuant to Rule 3b-7 under the Securities Exchange Act of 1934, as amended, including the Chief Executive Officer of the Company, and each Participant holding the title of “Chief Commercial Officer” or “Executive
Vice President, Sales Operations” shall participate as a Tier 1 Participant; and

(ii)	all other Participants shall participate as a Tier 2 Participant.

EXHIBIT B

Severance Benefits

Tier Severance Multiplier COBRA Period

Tier 1 1.00 12

Tier 2 0.50 6

Unless otherwise determined by the Committee:

(i)	all Participants who are designated as “executive officers” of the Company pursuant to Rule 3b-7 under the Securities Exchange Act of 1934, as amended, including the Chief Executive Officer of the Company, and each Participant holding the title of “Chief Commercial Officer” or “Executive
Vice President, Sales Operations” shall participate as a Tier 1 Participant; and

(ii)	all other Participants shall participate as a Tier 2 Participant.

EXHIBIT C

EROCK, INC.

EXECUTIVE
SEVERANCE PLAN

FORM OF PARTICIPATION AGREEMENT

This Participation Agreement (this “Agreement”) is made and entered into by and between [•] (the
“Participant”) and ERock, Inc. (the “Company”) effective as of ______________, 20____.

The Company maintains the ERock, Inc. Executive Severance Plan (as amended from time to time, the “Plan”).
Capitalized terms used but not defined in this Agreement have the meanings ascribed to them in the Plan. The Plan provides Severance Benefits and CIC Severance Benefits, as applicable, in connection with the Participant’s Qualifying
Termination or Change in Control Qualifying Termination.

By signing this Agreement, the Participant acknowledges and agrees that the
Participant has read and understands all of the terms of the Plan and this Agreement and that the Participant agrees to participate in the Plan as a Tier [__] Participant. The Participant acknowledges and agrees that such participation is subject to
the terms and conditions of the Plan. The Participant agrees that the terms and conditions of the Plan and this Agreement govern the Participant’s eligibility for any Severance Benefits and CIC Severance Benefits provided under the Plan and
supersede any and all prior agreements or understandings with respect to any severance and termination benefits. [For the avoidance of doubt, the Participant acknowledges and agrees that the Plan supersedes all severance provisions contained in the
Participants’ Employment Agreement, effective as of November 26, 2025.] [For the avoidance of doubt, the Participant acknowledges and agrees that the Plan supersedes the Enchanted Rock Management, LLC Executive Severance Plan, and the
Participant is not entitled to receive any payments or benefits thereunder.]

Restrictive Covenants:

1. General. In the course of the Participant’s employment with the Company and its direct and indirect subsidiaries and Affiliates as may exist
from time to time (the “Company Group”) and the performance of the Participant’s duties on behalf of the Company Group, the Participant has been and will be provided with, and has and will have access to, Confidential
Information (as defined below). The Participant acknowledges that the Company has spent significant time, effort and resources protecting its Confidential Information and customer goodwill. The Participant further acknowledges that during the course
of the Participant’s employment with the Company Group before and after the date hereof, the Participant has had and will continue to have access to trade secrets and other Confidential Information, which, if disclosed (or used intentionally),
would unfairly and inappropriately assist in competition against the Company and its Affiliates. Therefore, in consideration of the information (including Confidential Information) that may be provided to the Participant during the course of the
Participant’s employment with the Company Group and the Participant’s participation in the Plan, the Participant agrees that the following restrictions on the Participant’s activities are necessary, appropriate and reasonable to
protect the goodwill, Confidential Information and other legitimate interests of the Company from unfair and inappropriate competition.

2. Confidentiality.