EROC ERock, Inc.

BULLISH Impact: 7/10 424B4
Horizon weeks Filed Jun 10, 2026 Processed 2d 15h ago SEC 0001193125-26-265898
Prospectus supplement

Executive Summary

ERock, Inc. has priced its IPO of 27,906,977 shares of Class A common stock at $21.50 per share, generating $600.0 million in gross proceeds. The offering was priced at the midpoint of the previously estimated $20-$23 range and is the culmination of the IPO process documented in prior S-1/A filings. Net proceeds of ~$554.0 million will be used to purchase units from ER Holdings (partially repaying ~$30M in debt + $3M prepayment fee), buy out pre-IPO holders (~$156.9M), and fund a ~$27.8M cash payment to a blockholder, leaving a smaller remainder for general corporate purposes. Public investors will own only ~12.7% of voting power, with the sponsor (Energy Impact Fund) controlling ~47% via dual-class stock, limiting near-term public shareholder influence.

Key Financial Metrics

Offering Size
$600.0M

Actionable Insight

The IPO brings $554M in net cash to the corporate structure but nearly all is immediately deployed to buy out pre-IPO holders and repay debt, not retained for operations. Monitor the post-IPO trading float and any lock-up expirations (directed shares locked for 180 days). The company remains unprofitable with negative EBITDA, so ongoing reliance on the $1.28B backlog for revenue conversion is critical for post-IPO sentiment. The absence of management guidance in this final prospectus leaves fundamental valuation opaque — T+20 drift will depend on initial trading dynamics and the first earnings report as a public company.

Key Facts

  • IPO priced at $21.50 per share, in the upper half of the $20.00-$23.00 range from prior S-1/A filings.
  • 27,906,977 shares offered; total gross proceeds of $600,000,006.
  • Net proceeds of ~$554.0M; $369.3M to purchase Class A units from ER Holdings (with ~$30M debt repayment + $3M prepayment fee), ~$156.9M to buy Class B units from pre-IPO holders, ~$27.8M cash to a blockholder.
  • Shares expected to begin trading on NYSE under ticker EROC on or about June 11, 2026.
  • Post-IPO, public holders will own 12.72% of voting power; pre-IPO owners will control 87.28% (78.04% via Class B common stock).
  • Underwriters have a 30-day option to purchase an additional 4,186,046 shares.
  • Morgan Stanley and J.P. Morgan are joint lead book-running managers; underwriting discount is $1.34375/share ($37.5M total).
  • Q1 2026 revenue of $31.7M (31.6% YoY growth) but net loss of $(17.2)M; contracted power system sales backlog of $1.28B.
  • Company qualifies as an emerging growth company, electing reduced public reporting requirements.

Financial Impact

$600.0 million gross IPO proceeds; net proceeds of ~$554.0 million after underwriting discounts and expenses. Proceeds primarily used to purchase interests and repay debt rather than fund operations.

dilutionleverageshare countcash

Risk Factors

  • Public shareholders own only ~12.7% voting power; pre-IPO holders retain overwhelming control, limiting public shareholder influence.
  • Company has a history of net losses (Q1 2026 net loss of $(17.2)M) and negative Adjusted EBITDA; path to profitability is uncertain.
  • IPO proceeds are largely used to buy out pre-IPO holders and repay debt, not retained for operations or growth capex.
  • Material weaknesses in internal controls over financial reporting identified and not yet remediated.
  • Dilution from near-total reliance on $21.50 per share valuation may pressure the stock if post-IPO trading fails to sustain price above offering level.
  • Lock-up (180 days on directed shares, plus standard underwriter lock-ups) may mute near-term selling but could create overhang at expiration.

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
424B4 Filing (Primary)0001193125-26-265898
Document: 0001193125-26-265898-index-headers.html0001193125-26-265898
Document: 0001193125-26-265898-index.html0001193125-26-265898
Document: 0001193125-26-265898.txt0001193125-26-265898
10 reports for EROC
Performance horizon
Filters
Rows
Reports for EROC — sortable, filterable
Type Now
Jun 10, 2026
2d ago
424B4
BULLISH ★ 7/10
$18.71 awaiting T+20awaiting T+20$16.95 (−9.41%)
Jun 10, 2026
3d ago
EFFECT
NEUTRAL ★ 5/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 10, 2026
3d ago
3
NEUTRAL ★ 2/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 10, 2026
3d ago
3
NEUTRAL ★ 2/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 10, 2026
3d ago
3
NEUTRAL ★ 1/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 10, 2026
3d ago
3
NEUTRAL ★ 2/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 10, 2026
3d ago
3
NEUTRAL ★ 2/10
$20.10 awaiting T+20awaiting T+20$16.95 (−15.67%)
Jun 5, 2026
7d ago
S-1/A
NEUTRAL ★ 4/10
awaiting T+20
Jun 1, 2026
12d ago
S-1/A
NEUTRAL ★ 4/10
awaiting T+20
May 26, 2026
18d ago
S-1/A
NEUTRAL ★ 4/10
awaiting T+20
Showing 10 of 10

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