ERock, Inc. Insider Ownership | EROC

Insider Holdings by Owner

214.04Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

50.74%

■0% pp QoQ

Shares Held by Insiders

111.33Mn

filed for Sep 2026

■0.00% QoQ

Shares Outstanding

219.40Mn

219,400,080 shares

Direct Holdings

8.63Mn

Indirect: 102.71Mn

Net Open-Market Trades

0

no open-market trades in Sep 2026

Insiders Holding Shares

8

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Open-Market Insider Trades

Bought Sold

Latest quarter —

Net over range —

Net-buying quarters —

Insider Ownership Summary

Updated Oct 10, 2026

Over the past year, EROC insiders did not buy or sell the stock on the open market.

Apart from open-market trades, EROC insiders received 13.02K shares in stock awards in the past 12 months.
Business Quant data shows ERock insiders holding 111.33Mn shares in total in their latest Form 4 filings, or 50.74% of the 219.4Mn shares outstanding; that total is unchanged from 111.33Mn shares at the end of Q2 2026.
ERock insiders hold 8.63Mn shares directly (7.75% of their total) and 102.71Mn shares (92.25%) indirectly, through entities such as trusts and partnerships.
Per Business Quant, 7 insiders of EROC hold shares, counting officers, directors and 10% owners who have filed a Form 4 in the past two years.
EROC's three largest insider shareholders, per their latest Form 4 filings, are Hans Kobler (Director and 10% owner, 102.71Mn shares), Robert Ian Blakely (Chief Financial Officer, 4.49Mn shares) and Corey Amthor (President, 4.09Mn shares).
The largest insider, Hans Kobler, holds 92.25% of EROC's insider total.
Institutional holders reported 15.64% of ERock's outstanding shares for Q2 2026.
In the past year, 8 insiders of ERock submitted 8 Form 4 filings reporting trades, awards or other transactions.
These insider figures for ERock are based on Form 4 filings through June 15, 2026.

Form 4 Holdings

Insiders Holding EROC

Insiders 8

Shares held 214.04Mn

Of outstanding 97.56%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Impact Partners Llc Energy	TenPercentOwner	0	102,706,107	102,706,107	48.0%	15 Jun, 2026
2	Hans Kobler	Director, TenPercentOwner	0	102,706,107	102,706,107	48.0%	15 Jun, 2026
3	Robert Ian Blakely	Chief Financial Officer	4,487,528	0	4,487,528	2.1%	12 Jun, 2026
4	Corey Amthor	President	4,088,432	0	4,088,432	1.9%	12 Jun, 2026
5	Livingston Satterthwaite	Director	13,024	0	13,024	0.0%	12 Jun, 2026
6	Charles D Boynton	Director	13,024	0	13,024	0.0%	12 Jun, 2026
7	Dan Brouillette	Director	13,024	0	13,024	0.0%	12 Jun, 2026
8	Mark R Patterson	Director	13,024	0	13,024	0.0%	12 Jun, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

14 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
11 Jun, 2026	Hans Kobler	Director, TenPercentOwner	Acquired J	19,350,897	—	—	19,350,897	Indirect
11 Jun, 2026	Impact Partners Llc Energy	TenPercentOwner	Acquired J	19,350,897	—	—	19,350,897	Indirect
11 Jun, 2026	Hans Kobler	Director, TenPercentOwner	Disposed J	6,041,206	—	—	83,355,210	Indirect
11 Jun, 2026	Impact Partners Llc Energy	TenPercentOwner	Disposed J	6,041,206	—	—	83,355,210	Indirect
11 Jun, 2026	Hans Kobler	Director, TenPercentOwner	Disposed S	6,041,206	—	—	83,355,210	Indirect
11 Jun, 2026	Impact Partners Llc Energy	TenPercentOwner	Disposed S	6,041,206	—	—	83,355,210	Indirect
11 Jun, 2026	Corey Amthor	President	Disposed D	617,442	—	—	4,088,432	Direct
11 Jun, 2026	Mark R Patterson	Director	Acquired A	13,024	$0.00	$0	13,024	Direct
11 Jun, 2026	Charles D Boynton	Director	Acquired A	13,024	$0.00	$0	13,024	Direct
11 Jun, 2026	Livingston Satterthwaite	Director	Acquired A	13,024	$0.00	$0	13,024	Direct
11 Jun, 2026	Dan Brouillette	Director	Acquired A	13,024	$0.00	$0	13,024	Direct
11 Jun, 2026	Robert Ian Blakely	Chief Financial Officer	Disposed D	449,233	—	—	4,487,528	Direct
11 Jun, 2026	Robert Ian Blakely	Chief Financial Officer	Disposed D	449,233	$19.85	$8.92Mn	4,487,528	Direct
11 Jun, 2026	Corey Amthor	President	Disposed D	617,442	$19.85	$12.26Mn	4,088,432	Direct

ERock EROC Insider Ownership