ERII
Energy Recovery, Inc. · Manufacturing · Market cap $385.4M
Insiders bought $73K net in the last 90 days ·3 sellers, 2 buyers· 2 of 3 sales under Rule 10b5-1 plans· latest Form 4 filed Jul 30, 2026
Insider Buying
$266K
reported purchases (SEC code P)
Insider Selling
$4.6M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Jul 30, 2026
Clemente Rodney
Energy Recovery, Inc. (ERII) has 38 SEC Form 4 filings (60 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Jul 30, 2026.
Inside the rolling window, 7 insiders at Energy Recovery, Inc. reported 2 open-market purchases totaling $266K and 24 open-market sales totaling $4.6M. The most active filer is Chief Legal Officer Yeung William with 12 filings. Insiders have net sold $2.8M over the trailing 6 months. The most recent open-market filing is a sale of 5,387 shares by SVP, Water Clemente Rodney, dated Jul 28, 2026, worth $46K.
- Industry:Industrial - Pollution & Treatment Controls
- CEO:Alexander J. Buehler
- Employees:230
- HQ:San Leandro, CA, US
- IPO:2008-07-02
| Source | |||||||
|---|---|---|---|---|---|---|---|
Clemente RodneyFirst in 5 months | SVP, Water | Sale | 5,387 | $46K | Jul 30 | -10.4% | SEC ↗ |
Yeung WilliamFirst in 6 months | Chief Legal Officer | Sale | 2,048 | $18K | Jul 29 | -7.2% | SEC ↗ |
BUEHLER ALEXANDER JFirst filing | Interim President and CEO | Sale | 14,900 | $130K | Jun 17 | -16.0% | SEC ↗ |
Sabol Colin RFirst filing | Director | Purchase | 11,180 | $99K | Jun 17 | -16.0% | SEC ↗ |
TONDREAU PAMELA L.First filing | Director | Purchase | 20,000 | $167K | May 15 | -10.2% | SEC ↗ |
| Director | Sale | 2,419 | $25K | Apr 8 | -29.6% | SEC ↗ | |
| Director | Sale | 165,292 | $1.7M | Apr 6 | -27.5% | SEC ↗ | |
| Director | Sale | 25,000 | $274K | Mar 11 | -30.0% | SEC ↗ | |
Hanstveit ArveFirst in 3 months | Director | Sale | 38,418 | $411K | Mar 9 | -32.1% | SEC ↗ |
Hanstveit ArveFirst in 3 months | Director | Sale | 11,582 | $123K | Mar 9 | -32.1% | SEC ↗ |
| SVP, Water | Sale | 20,568 | $218K | Mar 6 | — | SEC ↗ | |
Ramanan NatarajanFirst filing | Chief Technology Officer | Sale | 272 | $3K | Mar 6 | — | SEC ↗ |
| Chief Legal Officer | Sale | 890 | $13K | Feb 9 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 646 | $10K | Feb 9 | — | SEC ↗ | |
Clemente RodneyFirst filing | SVP, Water | Sale | 724 | $11K | Feb 9 | — | SEC ↗ |
Yeung WilliamFirst in 3 months | Chief Legal Officer | Sale | 7,271 | $106K | Feb 3 | — | SEC ↗ |
Yeung WilliamFirst in 3 months | Chief Legal Officer | Sale | 729 | $11K | Feb 3 | — | SEC ↗ |
Hanstveit ArveFirst filing | Director | Sale | 15,000 | $225K | Dec 8 | — | SEC ↗ |
Hanstveit ArveFirst filing | Director | Sale | 15,000 | $221K | Dec 8 | — | SEC ↗ |
| Chief Legal Officer | Sale | 3,530 | $62K | Oct 27 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 9,168 | $165K | Oct 27 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 3,530 | $60K | Oct 22 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 3,530 | $58K | Oct 17 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 3,567 | $57K | Oct 7 | — | SEC ↗ | |
| Chief Legal Officer | Sale | 15,454 | $233K | Sep 22 | — | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does ERII have?
Energy Recovery, Inc. (ERII) has 38 SEC Form 4 filings (60 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Jul 30, 2026.
When was the most recent SEC Form 4 filing for ERII?
The most recent Form 4 filing for ERII on Tracefour is dated Jul 30, 2026.
Who is the most active insider at ERII?
The most active SEC Form 4 filer at ERII in the rolling window is Chief Legal Officer Yeung William, with 12 filings.
What is the net insider flow at ERII over the last 6 months?
Over the trailing 180 days, insiders at ERII have net sold $2.8M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ERII in the current window?
Inside the rolling window, insiders at ERII bought $266K and sold $4.6M based on SEC Form 4 filings.
Can I get alerts for ERII insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Energy Recovery, Inc. (ERII). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Energy Recovery, Inc. is in the Manufacturing sector.