IPO filing research

ERock, Inc.

Electrical Industrial Apparatus · EROC

ipo trading trading NYSE 424B4

ERock, Inc. IPO research page with SEC filing history, offering status, deal terms, structured filing extracts, company news, and comparable IPO context. Latest filing: 424B4 on 2026-06-10. Current deal snapshot: exchange NYSE.

Filing Timeline

SEC EDGAR

424B4 priced

Final prospectus

Final prospectus filed after pricing with final deal terms.

First tracked pre-IPO filing for this issuer.

Price $21.50 · 27,906,977 shares · Gross proceeds $600,000,006

Class A · Exchange NYSE · Ticker EROC · Over-allotment 4,186,046 · Use of proceeds Repurchase of membership interests, debt repayment, and general corporate purposes · Flags units · Underwriters Morgan Stanley, J.P. Morgan, Barclays

2026-06-10 · 0001193125-26-265898

EFFECT effective

SEC effectiveness notice

SEC declared the registration statement effective, allowing the offering to proceed.

First tracked pre-IPO filing for this issuer.

2026-06-09 · 9999999995-26-001928

8-A12B effective

Exchange Act registration

Registration filed to list the securities under the Exchange Act ahead of trading.

First tracked pre-IPO filing for this issuer.

2026-06-09 · 0001193125-26-262945

CERT inactive

CERT

Pre-IPO filing captured from the SEC submission timeline.

First tracked pre-IPO filing for this issuer.

2026-06-09 · 0000876661-26-000517

S-1/A amended

Amended registration statement

Updated registration statement filed after SEC comments or deal changes.

First tracked pre-IPO filing for this issuer.

Price $21.50 · Range $20.00 to $23.00 · 27,906,977 shares · Gross proceeds $600,000,000

Class A · Exchange NYSE · Ticker EROC · Over-allotment 4,186,046 · Units consisting of Class A common stock and Class B common stock · Use of proceeds To purchase Class A and B membership interests in ER Holdings, pay cash to a Blocked Unitholder, and repay indebtedness · Flags dual_class, units · Underwriters Morgan Stanley, J.P. Morgan, Barclays

ERock, Inc. reported a 31.6% increase in total revenues to $31.7 million for the three months ended March 31, 2026, driven by growth in power system sales installation services and ongoing services. Adjusted EBITDA declined slightly to a loss of $12.4 million, but the margin improved by 6.2%. The company highlighted a $1.3 billion Contracted Power System Sales Backlog, with expectations of revenue growth over the next three years, though execution is subject to risks including customer contract modifications, supply chain disruptions, and macroeconomic factors.

2026-06-05 · 0001193125-26-258942

S-1/A amended

Amended registration statement

Updated registration statement filed after SEC comments or deal changes.

First tracked pre-IPO filing for this issuer.

Price $21.50 · Range $20.00 to $23.00 · 27,906,977 shares

Class A · Exchange NYSE · Ticker EROC · Over-allotment 4,186,046 · Use of proceeds To purchase Class A and B units in ER Holdings, pay cash consideration, and for debt repayment and general corporate purposes · Flags dual_class, units · Underwriters Morgan Stanley, J.P. Morgan, Barclays

ERock, Inc. reported a 31.6% revenue increase to $31.7 million for Q1 2026, driven by growth in ongoing services and installation revenues. Net loss margin improved 11.9% despite a $1.5M decline in adjusted EBITDA, with improved operational efficiency and revenue growth offsetting higher costs. The company highlighted a $1.3B contracted power system sales backlog, expecting three-year revenue growth but noting risks including customer contract modifications, supply chain disruptions, and macroeconomic factors.

2026-06-01 · 0001193125-26-249668

S-1/A amended

Amended registration statement

Updated registration statement filed after SEC comments or deal changes.

First tracked pre-IPO filing for this issuer.

ERock, Inc. filed an S-1/A amendment to its initial S-1 registration statement, dated May 26, 2026. The amendment is an exhibits-only filing, consisting of the facing page, explanatory note, Item 16(a) of Part II, the signature page, and filed exhibits. No substantive changes to the business description or financial details are evident, as the amendment focuses on regulatory filings rather than operational updates. The company remains in the process of transitioning to a public entity, with prior disclosures highlighting risks related to tax obligations, compliance costs, and operational scalability.

2026-05-26 · 0001193125-26-237760

S-1 filed

Initial registration statement

Initial public filing submitted to start the SEC review process.

Follows DRS/A in the pre-IPO sequence.

Class A · Exchange NYSE · Ticker EROC · Use of proceeds To purchase Class A and B membership interests in ER Holdings, repay indebtedness, and for general corporate purposes · Flags units · Underwriters Morgan Stanley, J.P. Morgan, Barclays

ERock, Inc. is preparing for its IPO with an S-1 filing, detailing financial results and operational changes. The company reported a 31.6% increase in total revenues to $31.7 million for Q1 2026, driven by growth in power system sales installation services and ongoing services. Key changes include the transition of generator assembly to an in-house facility, increased public company expenses, and a Tax Receivable Agreement (TRA) requiring 85% of tax savings to be paid to TRA Beneficiaries. The filing also highlights challenges such as rising operating costs, income tax uncertainties, and reliance on ESI agreements.

2026-05-15 · 0001193125-26-227199

DRS/A amended

Amended draft registration statement

Updated draft registration filed before the public launch.

Updates the prior DRS/A filing.

2026-04-24 · 0001193125-26-177695

DRS/A amended

Amended draft registration statement

Updated draft registration filed before the public launch.

Updates the prior DRS filing.

2026-04-01 · 0001193125-26-138217

DRS filed