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EROC on NYSE

ERock, Inc.

ERock, Inc. is an American electrical industrial apparatus company based in Houston.2

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Last updated Oct 21, 2026.

Overview

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  • TickerEROC on NYSE2
  • IndustryElectrical Industrial Apparatus2
  • HeadquartersHouston, United States2
  • Incorporated inDE3
  • Business address1113 Vine St., Suite 101, Houston, Tx 770023
  • Filer categoryNon-accelerated filer, Emerging growth company3
  • Legal formCorporation2
  • LEI2549002XNN09OKWF1V912
  • StatusActive2
  • LEI statusIssued and current2
  • Registered addressC/O THE CORPORATION TRUST COMPANY, 19801 Wilmington, United States2
  • Registered withDivision of Corporations, Department of State, 104792972

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Corporate structure

ERock, Inc. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of ERock, Inc.

  • Walter Thomas McAndrew Jr. Filed SCHEDULE 13G/A on ERock, Inc., latest Sep 4, 2026 (2 filings since Aug 14, 2026)
  • Energy Impact Partners LLC Filed SCHEDULE 13D on ERock, Inc., latest Jun 18, 2026
  • ERock, Inc. Houston, Texas, United States

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led ERock, Inc., and when. Pick a name to see everywhere that person has worked.

President

  1. Corey Amthor2026–now

Chief financial officer

  1. Robert Ian Blakely2026–now

Chief operating officer

  1. Paul Froutan2026–now
Board members and other officers (9)

Former names

  • Enchanted Rock, Inc.Feb 17, 2026 to Feb 17, 20263

Timeline

  1. Aug 11, 20268-K Results of operations16
  2. Jun 15, 20268-K Entered a material agreement; Unregistered sale of shares; Change to shareholders' rights17
  3. Jan 20, 2026Founded ERock, Inc. is founded2

Calendar

Coming up

  1. Nov 10, 2026Reports results for the quarter ending Sep/202618

When it reported results

  1. Aug 11, 2026Reported quarterly or annual results16

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar

Filings

41 filings to the SEC since October 2021: 1 quarterly reports, 2 major events, 23 insider forms, 3 large holders, 12 other. The latest 20:

  1. Sep 4, 2026SCHEDULE 13G/A EDGAR
  2. Sep 4, 20264 EDGAR
  3. Sep 4, 20263 EDGAR
  4. Aug 14, 2026SCHEDULE 13G EDGAR
  5. Aug 12, 202610-Q EDGAR
  6. Aug 11, 20268-K EDGAR
  7. Jun 18, 2026SCHEDULE 13D EDGAR
  8. Jun 15, 20264 EDGAR
  9. Jun 15, 20264 EDGAR
  10. Jun 15, 20268-K EDGAR
  11. Jun 12, 20264 EDGAR
  12. Jun 12, 20264 EDGAR
  13. Jun 12, 20264 EDGAR
  14. Jun 12, 20264 EDGAR
  15. Jun 12, 20264 EDGAR
  16. Jun 12, 20264 EDGAR
  17. Jun 11, 2026S-8 EDGAR
  18. Jun 10, 2026424B4 EDGAR
  19. Jun 9, 2026EFFECT EDGAR
  20. Jun 9, 20263 EDGAR

The 41 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 88. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Balyasny Asset Management L.P.2,099,619$30.4M0.1%New
Cinctive Capital Management LP1,947,261$28.2M1.1%New
Encompass Capital Advisors LLC1,900,000$27.6M1.2%New
Zimmer Partners, LP1,891,745$27.4M0.6%New
Ameriprise Financial Inc1,825,179$26.5M0.0%New
Massachusetts Financial Services Co /ma/1,776,265$25.8M0.0%New
Alliancebernstein L.P.1,702,121$24.7M0.0%New
Citadel Advisors LLC1,505,997$21.8M0.0%New
Value Aligned Research Advisors, LLC1,345,920$19.5M0.1%New
Alyeska Investment Group, L.P.1,276,391$18.5M0.0%New
Vanguard Portfolio Management LLC1,116,375$16.2M0.0%New
Pictet Asset Management Holding SA1,056,681$15.3M0.0%New
Vanguard Capital Management LLC1,030,728$14.9M0.0%New
CIBC Bancorp USA Inc.1,000,000$14.5M0.0%New
Seven Grand Managers, LLC500,000$7.2M0.3%New
Wellington Management Group Llp498,508$7.2M0.0%New
Reaves W H & Co Inc435,000$6.3M0.1%New
Franklin Resources Inc434,932$6.3M0.0%New
Jane Street Group, LLC416,431$6.0M0.0%New
UBS Group AG404,566$5.9M0.0%New
Ghisallo Capital Management LLC400,000$5.8M0.1%New
Soros Fund Management LLC376,206$5.5M0.1%New
Burkehill Global Management, LP375,000$5.4M0.2%New
Adage Capital Partners Gp, L.l.c.369,484$5.4M0.0%New
Eagle Global Advisors LLC365,000$5.3M0.2%New

13F reports cover disclosed long positions in U.S. stocks only.

SEC filer profile

How ERock, Inc. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARERock, Inc.1
  • CIK0002110029
  • Filer statusNon-accelerated filer<br>emerging growth company1
  • Incorporated inDelaware1
  • Fiscal year endsDecember 311
  • Industry code (SIC)3620 Electrical Industrial Apparatus1
  • SEC reviewing officeOffice of Manufacturing, Division of Corporation Finance1
  • Business address1113 Vine St., Suite 101, Houston, TX 770021
  • Phone713.429.40911
  • On EDGAR sinceFeb 17, 20261
  • Filings41 in all: 3 (14), 4 (9), S-1/A (3), 8-K (2), DRS/A (2), 10-Q (1), 424B4 (1), 8-A12B (1)1
    All 16 form types

    CERT (1), DRS (1), EFFECT (1), S-1 (1), S-8 (1), SCHEDULE 13D (1), SCHEDULE 13G (1), SCHEDULE 13G/A (1)

  • Latest filingsQuarterly report (10-Q) Aug 12, 2026
    Latest 8-K (8-K) Aug 11, 2026

Sources

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