ERII
Energy Recovery, Inc. · Manufacturing · Market cap $354.8M
Insiders sold $64K net in the last 90 days ·2 sellers, 0 buyers· 2 of 2 sales under Rule 10b5-1 plans· latest Form 4 filed Jul 30, 2026
Insider Buying
$266K
reported purchases (SEC code P)
Insider Selling
$3.5M
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Oct 23, 2026
Clemente Rodney
Energy Recovery, Inc. (ERII) has 33 SEC Form 4 filings (43 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Oct 23, 2026.
Inside the rolling window, 7 insiders at Energy Recovery, Inc. reported 2 open-market purchases totaling $266K and 17 open-market sales totaling $3.5M. The most active filer is Director Hanstveit Arve with 7 filings. 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 | -17.6% | SEC ↗ |
Yeung WilliamFirst in 6 months | Chief Legal Officer | Sale | 2,048 | $18K | Jul 29 | -14.6% | SEC ↗ |
BUEHLER ALEXANDER JFirst filing | Interim President and CEO | Sale | 14,900 | $130K | Jun 17 | -22.7% | SEC ↗ |
Sabol Colin RFirst filing | Director | Purchase | 11,180 | $99K | Jun 17 | -22.7% | SEC ↗ |
TONDREAU PAMELA L.First filing | Director | Purchase | 20,000 | $167K | May 15 | -17.4% | SEC ↗ |
| Director | Sale | 2,419 | $25K | Apr 8 | -35.2% | SEC ↗ | |
| Director | Sale | 165,292 | $1.7M | Apr 6 | -33.3% | SEC ↗ | |
| Director | Sale | 25,000 | $274K | Mar 11 | -35.5% | SEC ↗ | |
Hanstveit ArveFirst in 3 months | Director | Sale | 38,418 | $411K | Mar 9 | -37.5% | SEC ↗ |
Hanstveit ArveFirst in 3 months | Director | Sale | 11,582 | $123K | Mar 9 | -37.5% | 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 filing | Chief Legal Officer | Sale | 7,271 | $106K | Feb 3 | — | SEC ↗ |
Yeung WilliamFirst filing | 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 ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does ERII have?
Energy Recovery, Inc. (ERII) has 33 SEC Form 4 filings (43 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Oct 23, 2026.
When was the most recent SEC Form 4 filing for ERII?
The most recent Form 4 filing for ERII on Tracefour is dated Oct 23, 2026.
Who is the most active insider at ERII?
The most active SEC Form 4 filer at ERII in the rolling window is Director Hanstveit Arve, with 7 filings.
What is the net insider flow at ERII over the last 6 months?
Over the trailing 180 days, insiders at ERII have net bought $73K 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 $3.5M 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.