Comparable stake leader
Energy Impact Partners LLC
SEC ownership of ERock, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002110029.
Disclosed value leader
Walter Thomas McAndrew Jr.
Comparable rows
2/50
Latest evidence
30 Jun 2026
- Public ticker
- EROC on NYSE
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Energy Impact Partners LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
2 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Energy Impact Partners LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002110029
- Issuer location
- Houston, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of ERock, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Energy Impact Partners LLC
Disclosed value leader
Walter Thomas McAndrew Jr.
Comparable rows
2/50
Latest evidence
30 Jun 2026
3/4/5
13D/G
13F
Lead comparable stake: 78%
48 rows are not safely comparable across share classes.
13D/G row: Energy Impact Partners LLC
Showing 1-8 of 50 holder rows.
Quick read
Energy Impact Partners LLC leads the comparable SEC ownership view at 78%.
2 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Energy Impact Partners LLC's linked filing trail.
Comparable ownership
Top 2
Energy Impact Partners LLC
78%
Walter Thomas McAndrew Jr.
32%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Energy Impact Partners LLC |
3/4/5
13D/G
10%+ Owner
|
78%
Reported 13D/G
· 11 Jun 2026
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Walter Thomas McAndrew Jr. |
13D/G
3/4/5
McAndrew Walter Thomas Jr. · 10%+ Owner
|
32%
Reported 13D/G
· 11 Jun 2026
|
$237,390,610
22,587,118 shares
|
$0 | 11 Jun 2026 |
| EIF ER Holdings LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| EIP Flagship Fund I ER Holdings LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Energy Impact Fund (FT-B) LP |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Energy Impact Fund (FT-D) LP |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| Hans Kobler |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
—
102,706,107 shares
mixed-class rows
|
— | 11 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$33,002,000
2,275,983 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
No eligible buy or sell activity is available for this window. No eligible Buy or Sell transactions are available in this dataset since 02 Nov 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-18 of 18 reporting-owner rows connected to ERock, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
18
Largest Forms 3/4/5 holder
Walter Thomas McAndrew Jr.
Net 12M change
$0
Latest report
11 Jun 2026
Recent insider transactions for ERock, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Walter Thomas McAndrew Jr. | EROC | Class B common stock, par value $0.01 | Other | -0.56% | -93,023 | 16,540,099 | 11 Jun 2026 | By McAndrew Holdings, Ltd. | ||
| Walter Thomas McAndrew Jr. | EROC | Class B common stock, par value $0.01 | Other | -5.84% | -372,093 | 5,996,469 | 11 Jun 2026 | Direct | ||
| Walter Thomas McAndrew Jr. | EROC | Class A common stock, par value $0.01 | Other | 50,550 | 50,550 | 11 Jun 2026 | Direct | |||
| Walter Thomas McAndrew Jr. | EROC | Class B Units | Sale | -0.56% | -93,023 | 16,540,099 | 11 Jun 2026 | By McAndrew Holdings, Ltd. | ||
| Walter Thomas McAndrew Jr. | EROC | Class B Units | Sale | -5.84% | -372,093 | 5,996,469 | 11 Jun 2026 | Direct | ||
| Hans Kobler | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Hans Kobler | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Hans Kobler | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Common Stock | Other | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Energy Impact Partners LLC | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Energy Impact Partners LLC | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Energy Impact Partners LLC | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Energy Impact Partners LLC | EROC | Class A Common Stock | Other | 19,350,897 | 19,350,897 | 11 Jun 2026 | See Footnotes | |||
| Energy Impact Partners LLC | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Energy Impact Partners LLC | EROC | Class B Units | Sale | -6.76% | -6,041,206 | 83,355,210 | 11 Jun 2026 | See Footnotes | ||
| Robert Ian Blakely | EROC | Class B Common Stock | Disposed to Issuer | -9.1% | -449,233 | 4,487,528 | 11 Jun 2026 | Direct | ||
| Robert Ian Blakely | EROC | Class B Units | Disposed to Issuer | -9.1% | -449,233 | 4,487,528 | 11 Jun 2026 | Direct | ||
| Corey Amthor | EROC | Class B Common Stock | Disposed to Issuer | -13.1% | -617,442 | 4,088,432 | 11 Jun 2026 | Direct | ||
| Corey Amthor | EROC | Class B Units | Disposed to Issuer | -13.1% | -617,442 | 4,088,432 | 11 Jun 2026 | Direct | ||
| Livingston Satterthwaite | EROC | Class A Common Stock | Award | 13,024 | 13,024 | 11 Jun 2026 | Direct | |||
| Mark R. Patterson | EROC | Class A Common Stock | Award | 13,024 | 13,024 | 11 Jun 2026 | Direct | |||
| Dan Brouillette | EROC | Class A Common Stock | Award | 13,024 | 13,024 | 11 Jun 2026 | Direct | |||
| Charles D. Boynton | EROC | Class A Common Stock | Award | 13,024 | 13,024 | 11 Jun 2026 | Direct |
* marks a reported price that did not pass the local price check.