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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computer and mobile accessories from February 2023 to May 2024. He also served as Executive Vice President and Chief Financial Officer at Poly, a global provider of premium audio, video, and collaboration products and software from March 2019 until its acquisition by HP Inc. in October 2022. From June 2010 to July 2018, Mr. Boynton served as Executive Vice President and Chief Financial Officer of SunPower Corporation, a U.S. solar technology and services provider, and from June 2015 to June 2018, he served as the Chief Executive Officer of 8point3 Energy Partners, a U.S. growth-oriented solar energy partnership. Prior to 8point3, he served as the Chief Financial Officer of other public and private companies. Mr. Boynton holds a Bachelor of Science degree in Accounting from the Kelley School of Business at Indiana University, Bloomington and an MBA in Finance and International Business from the Northwestern University Kellogg School of Management.

Mr. Boynton is qualified to serve on our board of directors due to his experience in finance and accounting leadership,
including serving as Chief Financial Officer of multiple public technology and solar energy companies and Chief Executive Officer of a publicly traded renewable energy partnership.

Dan Brouillette has served as a member of the ER Holdings board of managers since June 2025 and is expected to
serve as one of our directors upon completion of this offering. He currently serves as Partner and Co-Chair of the Torridon Group, a strategic advisory firm based in Washington, D.C. From October 2023 to
January 2025, he served as Chief Executive Officer and President of the Edison Electric Institute, a trade

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association representing investor-owned electric utility companies. From January 2021 to October 2023, he served as President of Sempra Infrastructure, a multinational firm specializing in the
construction and operation of liquefied natural gas (LNG) export terminals, pipeline networks, and renewable electricity generation facilities. Mr. Brouillette served as the 15th United States Secretary of Energy from December 2019 to January 2021
and previously served as Deputy Secretary of Energy from 2017 to 2019. Prior to his government service, Mr. Brouillette spent more than a decade working as a C-suite executive at the United States Automobile Association and Ford Motor Company.
Mr. Brouillette holds a Bachelor of Science degree in Economics from the University of Maryland, an MBA from Tulane University and an MA in Intelligence and National Security from The Citadel.

Mr. Brouillette is qualified to serve on our board of directors due to his leadership experience in energy policy and
infrastructure and his understanding of regulatory and power-market dynamics.

Hans Kobler has served as a
member of the ER Holdings board of managers since December 2024 and is expected to serve as one of our directors upon completion of this offering. He has served as Founder and a Managing Partner of Energy Impact Partners LP (“EIP”), a
global investment firm focused on energy transition technologies and our Sponsor, since June 2014. Mr. Kobler is a 25-year veteran of energy and climate technology investing. He started his career as a management consultant at Bain & Company
before leading the energy technology group at GE Equity, General Electric’s venture capital arm. Mr. Kobler went on to found and serve as Chief Executive Officer of Digital Power Capital, a venture capital fund focused on advanced power
technologies. He also built and led ICx Technologies, a leading sensor technology company targeting security, transportation, and energy, which went public on Nasdaq in 2007. Mr. Kobler holds a Master of Aerospace Engineering from the Technical
University of Munich, an MBA from the University of Texas at Austin, and attended the INSEAD MBA (SS) program.

Mr. Kobler is qualified to serve on our board of directors due to his experience investing in and scaling energy and
infrastructure technologies.

Mark Patterson has served as a member of the ER Holdings board of managers
since June 2025 and is expected to serve as one of our directors upon completion of this offering. He is a former investment banker and seasoned board director who has served as President of his own advisory firm, MRP Holdings LLC, since 2009. Mr.
Patterson also currently serves as a Senior Advisor at Rockefeller Capital Management. He previously held senior leadership roles at Merrill Lynch, including Managing Director and Global Head of Real Estate Investment Banking, and Citigroup, where
he served as Global Head of Real Estate Investment Banking. Mr. Patterson currently serves on the board of directors of Digital Realty Trust, Inc. (NYSE: DLR), Americold Realty Trust, Inc. (NYSE: COLD) and UDR, Inc. (NYSE: UDR). He served on the
board of directors of Paramount Group, Inc. (formerly listed on the NYSE) from May 2018 until its acquisition in December 2025. He holds a Bachelor of Business Administration from the College of William and Mary and an MBA from the Darden School of
Business at the University of Virginia.

Mr. Patterson is qualified to serve on our board of directors due to his
extensive experience in investment banking, capital raising, mergers and acquisitions and real estate investment, as well as his significant public company board and advisory experience.

Sameer Reddy has served as a member of the ER Holdings board of managers since 2017 and is expected to serve as
one of our directors upon completion of this offering. He has served as Partner at EIP, a global investment firm focused on energy transition technologies and our Sponsor, since December 2015. In January 2022, Mr. Reddy was elevated to Managing
Partner of EIP. Mr. Reddy has over 15 years of experience in energy transition and climate technology. He oversees the Energy Impact Investors’ Flagship strategy. Prior to EIP, Mr. Reddy spent five years at Evercore, where he advised clients
on M&A transactions, and three years at GE Capital’s energy venture capital group focusing on industrial and clean tech investing. Mr. Reddy has a dual degree in Finance and Economics from the University of Florida.

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Mr. Reddy is qualified to serve on our board of directors due to his
experience investing in energy transition technologies and advising on power and infrastructure transactions.

Tony
Satterthwaite is expected to serve as one of our directors upon completion of this offering. He is a retired executive who held various roles with Cummins, Inc. from 1998 through 2024, including serving as Senior Vice President responsible
for information technology, digital and transformation from August 2022 through September 2024, Vice Chairman from March 2021 to July 2022, and President and Chief Operating Officer from October 2019 to March 2021. He previously served as President
of each of Cummins’s Distribution and Power Generation businesses units. Mr. Satterthwaite has extensive experience in global industrial technology manufacturing and power generation, including senior leadership roles overseeing
large-scale operations and technology-driven businesses. Mr. Satterthwaite currently serves on the board of directors of Amprius Technologies, Inc. (NYSE: AMPX) and The Chemours Company (NYSE: CC), where he is chair of the compensation and
leadership development committee. He previously served on the board of directors of IDEX Corporation (NYSE: IEX) from 2011 to 2025, where he was chair of the compensation committee from 2015 to 2022, and Atmus Filtration Technologies Inc. (NYSE:
ATMU) from 2022 to 2024. Mr. Satterthwaite holds a Bachelor of Science in Civil Engineering from Cornell University and an MBA from Stanford University.

Mr. Satterthwaite is qualified to serve on our board of directors due to his extensive senior leadership experience in
global industrial technology manufacturing and power generation as well as his significant public company board experience.

Family Relationships

No family relationships exist by or among our executive officers, directors and director nominees.

Arrangements between Officers and Directors

There is no arrangement or understanding between any of our executive officers, directors, or director nominees and any other
person pursuant to which such person was selected to serve as an executive officer or director.

Composition of Our Board

Upon the consummation of the offering, our board of directors will consist of    directors. In
accordance with our certificate of incorporation and bylaws, the number of directors on our board of directors will be determined from time to time by our board of directors.

Our certificate of incorporation will provide that our board of directors will be divided into three classes of directors,
with staggered three-year terms. As a result, approximately one-third of our board of directors will be elected each year. During such time as our board of directors is classified, our certificate of
incorporation and bylaws will provide that any director may only be removed for cause and only by the affirmative vote of at least 662⁄3% of the voting power of the
stock outstanding and entitled to vote on the election of directors, voting together as a single class. In addition, vacancies shall be filled solely by the affirmative vote of a majority of the total number of directors then in office, even if less
than a quorum, or by a sole remaining director, and shall not be filled by the stockholders.

Director Independence