Insider trading

Period: 120 months Stock: ERII Minimum amount: $100K × + Add filter Clear all
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When

Period

How far back the list reaches. Filings arrive days after the trade, so the newest rows always lag a little.

114 decisions over 120 months
Who

Role

The position the person holds at the company, read from the title on the filing. A chief executive who is also a director counts as the chief executive.

114 decisions over 120 months
The trade

Type of trade

Purchases, sales, or cluster buys: companies where 3 or more insiders bought within 30 days. The number beside each is what that choice would give.

114 decisions over 120 months
The trade

Minimum amount

Hides rows under this value. The amount is the shares traded times the price on the filing.

114 decisions over 120 months Remove this filter
The trade

Plan

  • Discretionary: they chose to sell that week.
  • Scheduled: a 10b5-1 plan fixed the sale months in advance, so the timing says nothing about what they knew.
  • Not stated: filed before the SEC added the box in April 2023, which is most of the older half of this database.
114 decisions over 120 months
The trade

Share of their own holding

How much of what they already held the trade moved. Selling a tenth of a stake is not the same act as selling all of it.

At least
114 decisions over 120 months
Ownership

What the chief executive holds

The value of the chief executive’s stock measured against base salary. The salary comes from the company’s own proxy. Companies with no figure are in neither direction.

114 decisions over 120 months
Stock
Insider
Type ?
Why it stands out
15 Jun 2026
BUEHLER ALEXANDER J Interim President and CEO
Sold at will
$129.78K 14,900 at 8.71
18.2%
Not planned
13 May 2026
TONDREAU PAMELA L. Director · indirect
Bought
$166.84K 20,000 at 8.34
115%
Largest buy in 3 yrs
2 Apr 2026
Hanstveit Arve Director
Sold at will
$1.68M 165,292 at 10.14
30.0%
Not planned
10 Mar 2026
Hanstveit Arve Director
Sold at will
$273.98K 25,000 at 10.96
4.3%
Not planned
6 Mar 2026
Hanstveit Arve Director
Sold at will
$122.94K 11,582 at 10.62
2.0%
Not planned
5 Mar 2026
Hanstveit Arve Director
Sold at will
$411.46K 38,418 at 10.71
6.1%
Not planned
4 Mar 2026
Clemente Rodney SVP, Water
Sold on a plan
$218.31K 20,568 at 10.61
15.1%
Planned (10b5-1)
28 Jan 2026
Yeung William Chief Legal Officer
Sold on a plan
$105.79K 7,271 at 14.55
7.5%
Planned (10b5-1)
5 Dec 2025
Hanstveit Arve Director
Sold at will
$220.61K 15,000 at 14.71
2.3%
Not planned
4 Dec 2025
Hanstveit Arve Director
Sold at will
$224.51K 15,000 at 14.97
2.3%
Not planned
24 Oct 2025
Yeung William Chief Legal Officer
Sold on a plan 2×
$165.02K 9,168 at 18.00
8.6%
Planned (10b5-1)
18 Sep 2025
Yeung William Chief Legal Officer
Sold on a plan
$233.14K 15,454 at 15.09
13.7%
Planned (10b5-1)
11 Sep 2025
Yeung William Chief Legal Officer
Sold on a plan
$486.87K 33,554 at 14.51
25.6%
Planned (10b5-1)
12 Jun 2025
Hanstveit Arve Director
Sold at will
$380.40K 30,000 at 12.68
4.4%
Not planned
11 Jun 2025
Hanstveit Arve Director
Sold at will
$255.00K 20,000 at 12.75
2.8%
Not planned
11 Mar 2025
Hanstveit Arve Director
Sold at will
$816.95K 50,000 at 16.34
6.7%
Not planned
20 Feb 2025
Clemente Rodney SVP, Water
Sold on a plan
$330.71K 21,444 at 15.42
16.2%
Planned (10b5-1)
11 Dec 2024
Hanstveit Arve Director
Sold at will
$337.40K 20,000 at 16.87
2.6%
Not planned
7 Nov 2024
Clemente Rodney SVP, Water
Sold on a plan
$392.36K 19,618 at 20.00
14.7%
Planned (10b5-1)
28 Oct 2024
Ghasripoor Farshad Chief Technology Officer
Sold at will
$189.12K 10,526 at 17.97
7.7%
Not planned
28 Oct 2024
Clemente Rodney SVP, Water
Sold at will
$116.95K 6,505 at 17.98
4.6%
Not planned
7 Jun 2024
Hanstveit Arve Director
Sold at will
$263.95K 20,000 at 13.20
2.6%
Not planned
22 May 2024
Sold at will
$291.66K 21,045 at 13.86
8.2%
Not planned
8 May 2024
Hanstveit Arve Director
Sold at will
$473.55K 35,000 at 13.53
4.3%
Not planned
7 May 2024
Moon David W President and CEO · indirect
Bought
$141.29K 10,500 at 13.46
54.5%
+55% of stake
4 Mar 2024
Sold at will 2×
$563.25K 35,779 at 15.74
16.9%
Not planned
1 Mar 2024
Sold at will 2×
$616.31K 38,025 at 16.21
17.8%
Not planned
29 Feb 2024
Sold at will
$612.51K 39,314 at 15.58
18.2%
Not planned
28 Feb 2024
Hanstveit Arve Director
Sold at will
$774.60K 50,000 at 15.49
5.8%
Not planned
27 Feb 2024
Moon David W President and CEO · indirect
Bought
$166.73K 10,750 at 15.51
126%
Largest buy in 3 yrs
3 Jan 2024
Ballard Joshua Chief Financial Officer
Sold at will
$116.19K 6,250 at 18.59
11.9%
Not planned
2 Jan 2024
Ballard Joshua Chief Financial Officer
Sold at will
$115.63K 6,250 at 18.50
11.9%
Not planned
9 Nov 2023
Moon David W Interim President and CEO · indirect
Bought
$153.94K 8,500 at 18.11
opened
First buy on file
7 Nov 2023
Sold at will
$2.19M 121,383 at 18.02
53.7%
Sold half or more
7 Nov 2023
Bought
$149.54K 8,350 at 17.91
56.5%
First buy on file
6 Nov 2023
Sold at will
$2.31M 130,000 at 17.76
66.3%
Sold half or more
29 Aug 2023
Ghasripoor Farshad Chief Technology Officer
Sold at will
$1.43M 51,131 at 27.92
38.5%
Not planned
28 Aug 2023
Yeung William Chief Legal Officer
Sold at will
$1.13M 40,614 at 27.75
43.5%
Not planned
25 Aug 2023
Clemente Rodney SVP, Water
Sold at will
$848.11K 31,373 at 27.03
35.9%
Not planned
20 Jun 2023
Hanstveit Arve Director
Sold at will
$412.50K 15,000 at 27.50
1.7%
Not planned
1 Jun 2023
Hanstveit Arve Director
Sold at will
$363.70K 15,327 at 23.73
1.7%
Not planned
3 Apr 2023
Hanstveit Arve Director
Sold on a plan
$376.00K 16,000 at 23.50
1.8%
Planned (10b5-1)
1 Feb 2023
Ballard Joshua Chief Financial Officer
Sold, plan not stated
$328.21K 15,000 at 21.88
32.7%
16 Nov 2022
Hanstveit Arve Director
Sold, plan not stated
$360.81K 17,236 at 20.93
1.9%
14 Sep 2022
Foda Sherif Director
Sold, plan not stated
$404.91K 15,879 at 25.50
62.3%
Sold half or more
3 Jun 2022
Sold, plan not stated
$1.07M 50,000 at 21.34
77.1%
Sold half or more
24 Nov 2021
Foda Sherif Director
Sold, plan not stated
$449.26K 20,000 at 22.46
80.6%
Sold half or more
22 Nov 2021
Hanstveit Arve Director
Sold, plan not stated
$615.35K 25,000 at 24.61
2.8%
15 Sep 2021
Lorentzen Ole Peter 10% owner · indirect
Sold, plan not stated
$31.22M 1,500,000 at 20.81
22.5%
13 Sep 2021
Foda Sherif Director
Sold, plan not stated
$120.82K 5,595 at 21.59
53.8%
Sold half or more
Showing 1–50 of 114. Page 1 of 3 Older →