EROC at a glance
ERock Inc (EROC, SEC CIK 2110029) filed a 10-Q quarterly report on August 12, 2026, an 8-K current report on August 11, 2026 and Form 4 insider filings as recently as September 4, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- As of June 30, 2026, 18 institutional investment managers tracked by SignalX reported holding ERock Inc (EROC) shares worth $139.0 million in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Kobler Hans on June 11, 2026 of 6,041,206 shares.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 18 funds
- $139.0M
- Latest 10-Q
- Aug 12, 2026
- Quarterly report
SignalX for EROC
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- Fund moves. Which tracked funds opened, added or cut EROC, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Brouillette Dan | A | Jun 11, 2026 | 13,024 | - |
| BOYNTON CHARLES D | A | Jun 11, 2026 | 13,024 | - |
| Kobler Hans | J | Jun 11, 2026 | 19,350,897 | - |
| Kobler Hans | J | Jun 11, 2026 | 6,041,206 | - |
| Kobler Hans | Sell | Jun 11, 2026 | 6,041,206 | - |
| Energy Impact Partners LLC | J | Jun 11, 2026 | 6,041,206 | - |
| Energy Impact Partners LLC | Sell | Jun 11, 2026 | 6,041,206 | - |
| McAndrew Walter Thomas Jr. | J | Jun 11, 2026 | 50,550 | - |
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate EROC share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 18 | $139.0M |
Source: 13F-HR filings on SEC EDGAR (aggregated from 18 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
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EROC SEC filings: frequently asked questions
Which institutions hold EROC stock?
As of June 30, 2026, the largest ERock Inc (EROC) holders among the 13F filers tracked by SignalX were T. Rowe Price Group ($33.0 million), Ameriprise Financial ($26.5 million), Citadel Advisors LLC ($21.8 million), Vanguard Portfolio Management LLC ($16.2 million), Vanguard Capital Management LLC ($14.9 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What are the latest EROC SEC filings?
ERock Inc (EROC) filed a 10-Q quarterly report on August 12, 2026, an 8-K current report on August 11, 2026 and a Form 4 insider filing on September 4, 2026.
What is EROC's SEC CIK number?
ERock Inc (EROC)'s SEC Central Index Key (CIK) is 2110029. EDGAR lists every EROC filing under that number.
Ask anything about EROC
The research agent reads EROC's filings, financials, insider trades and 13F holders, then answers with sources.