ERII Insider Trading Activity and SEC Form 4 Filings
ERII insider trading summary
Over the past 12 months, insiders at Energy Recovery, Inc. (ERII) reported 16 sales worth $3.2M by 5 insiders and 2 open-market purchases worth $266K by 2 insiders on SEC Form 4. Net insider selling was $3.0M.
Latest ERII insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Jul 28, 2026 | Rodney Clemente | SVP, Water | Sell | $46K (5,387 @ $8.56) |
| Jul 28, 2026 | William Yeung | Chief Legal Officer | Sell | $18K (2,048 @ $8.56) |
| Jun 15, 2026 | Alexander J Buehler | Interim President and CEO | Sell | $130K (14,900 @ $8.71) |
| Jun 15, 2026 | Colin R Sabol | Director | Buy | $99K (11,180 @ $8.88) |
| May 13, 2026 | Pamela L. Tondreau | Director | Buy | $167K (20,000 @ $8.34) |
| Apr 6, 2026 | Arve Hanstveit | Director | Sell | $25K (2,419 @ $10.29) |
| Apr 2, 2026 | Arve Hanstveit | Director | Sell | $1.7M (165,292 @ $10.14) |
| Mar 6, 2026 | Arve Hanstveit | Director | Sell | $123K (11,582 @ $10.62) |
| Mar 5, 2026 | Arve Hanstveit | Director | Sell | $411K (38,418 @ $10.71) |
| Mar 5, 2026 | Natarajan Ramanan | Chief Technology Officer | Sell | $3K (272 @ $10.57) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.