ERIIIndustrialsSmall-Cap
Energy Recovery, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Energy Recovery, Inc. (ERII), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are ERII insiders buying or selling?
Energy Recovery, Inc. insiders reported 13 open-market buys ($1.1M) and 157 sells ($113.4M) across 170 Form 4 filings — a net selling position of $112.2M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jun 17, 2026)
Total Form 4 filings
170
SEC EDGAR
Insider filers
21
Insider buys (13)
$1.1M
Insider sells (157)
$113.4M
Insider sentiment
Net sellingNet insider flow of $112.2M in net selling. 2 insider buys in the last 90 days.
Recent ERII insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Colin R Sabol | Director | Purchase | 11.2K | $8.88 | $99.3K |
| Jun 17, 2026 | Alexander J Buehler | Interim President and CEO | Sale | 14.9K | $8.71 | $129.8K |
| May 15, 2026 | Pamela L. Tondreau | Director | Purchase | 20.0K | $8.34 | $166.8K |
| Apr 8, 2026 | Arve Hanstveit | Director | Sale | 2.4K | $10.29 | $24.9K |
| Apr 6, 2026 | Arve Hanstveit | Director | Sale | 165.3K | $10.14 | $1.7M |
| Mar 11, 2026 | Arve Hanstveit | Director | Sale | 25.0K | $10.96 | $274.0K |
| Mar 9, 2026 | Arve Hanstveit | Director | Sale | 50.0K | $10.69 | $534.4K |
| Mar 6, 2026 | Rodney Clemente | SVP, Water | Sale | 20.6K | $10.61 | $218.3K |
| Mar 6, 2026 | Natarajan Ramanan | Chief Technology Officer | Sale | 272 | $10.57 | $2.9K |
| Feb 9, 2026 | William Yeung | Chief Legal Officer | Sale | 1.5K | $14.82 | $22.8K |
| Feb 9, 2026 | Rodney Clemente | SVP, Water | Sale | 724 | $14.59 | $10.6K |
| Feb 3, 2026 | William Yeung | Chief Legal Officer | Sale | 8.0K | $14.54 | $116.3K |
| Dec 8, 2025 | Arve Hanstveit | Director | Sale | 30.0K | $14.84 | $445.1K |
| Oct 27, 2025 | William Yeung | Chief Legal Officer | Sale | 12.7K | $17.86 | $226.8K |
| Oct 22, 2025 | William Yeung | Chief Legal Officer | Sale | 3.5K | $17.00 | $60.0K |
| Oct 17, 2025 | William Yeung | Chief Legal Officer | Sale | 3.5K | $16.50 | $58.2K |
| Oct 7, 2025 | William Yeung | Chief Legal Officer | Sale | 3.6K | $16.00 | $57.1K |
| Sep 22, 2025 | William Yeung | Chief Legal Officer | Sale | 15.5K | $15.09 | $233.1K |
| Sep 15, 2025 | William Yeung | Chief Legal Officer | Sale | 33.6K | $14.51 | $486.9K |
| Jul 29, 2025 | Rodney Clemente | SVP, Water | Sale | 5.4K | $13.97 | $75.3K |
| Jun 13, 2025 | Arve Hanstveit | Director | Sale | 50.0K | $12.71 | $635.4K |
| May 15, 2025 | David W Moon | President and CEO | Purchase | 4.2K | $12.20 | $51.2K |
| May 15, 2025 | Pamela L. Tondreau | Director | Purchase | 4.2K | $12.28 | $51.6K |
| Mar 13, 2025 | Arve Hanstveit | Director | Sale | 50.0K | $16.34 | $817.0K |
| Mar 12, 2025 | Rodney Clemente | SVP, Water | Sale | 1.8K | $16.23 | $29.9K |
Showing the 25 most recent of 170 Form 4 filings for Energy Recovery, Inc..
Most active ERII insiders
- Rodney Clemente38 filings
- Arve Hanstveit31 filings
- William Yeung18 filings
- Farshad Ghasripoor17 filings
- Joshua Ballard8 filings
Ask anything about ERII insider activity
Use Trabud's AI agent to query Energy Recovery, Inc.'s Form 4 history in plain English — "Show me ERII CEO purchases this year" or compare it against any other ticker.
Open the AI agentERII insider trading FAQ
Are Energy Recovery, Inc. insiders buying or selling?
Across 170 SEC Form 4 filings, Energy Recovery, Inc. (ERII) insiders reported 13 open-market purchases totaling $1.1M and 157 sales totaling $113.4M. That is a net selling position of $112.2M.
How many insiders trade ERII stock?
21 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Energy Recovery, Inc.. The most recent filing was accepted on Jun 17, 2026.
Where does Trabud get ERII insider trading data?
All ERII insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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