Energy Recovery, Inc (ERII) insider trading
Every open-market stock purchase and sale by Energy Recovery, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Rodney Clemente (VP) and 1 other sold $63.6K in the last 90 days.
- Last insider buy: Colin R Sabol (Director), $99.3K, 4 months ago.
Last 12 months: insiders bought $266K (2 buys) and sold $3.9M (17 sales). Last close $8.43 on Jul 30, 2026.
Recent ERII insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jul 28, 2026 | Rodney Clemente (VP) | Sold | $46.1K |
| Jul 28, 2026 | William Yeung (C-suite exec) | Sold | $17.5K |
| Jul 27, 2026 | William Yeung (C-suite exec) | Sold (not open market) | $23.8K |
| Jul 27, 2026 | Rodney Clemente (VP) | Sold (not open market) | $19.5K |
| Jul 9, 2026 | John Joseph Mitchell (Director) | Bought (not open market) | — |
| Jun 15, 2026 | Alexander J Buehler (CEO) | Bought (not open market) | $132K |
| Jun 15, 2026 | Alexander J Buehler (CEO) | Sold | $130K |
| Jun 15, 2026 | Colin R Sabol (Director) | Bought | $99.3K |
| Jun 4, 2026 | Pamela L. Tondreau (Director) | Bought (not open market) | $185K |
| Jun 4, 2026 | Joan Kai Chow (Director) | Bought (not open market) | $150K |
| Jun 4, 2026 | Colin R Sabol (Director) | Bought (not open market) | $150K |
| Jun 4, 2026 | Arve Hanstveit (Director) | Bought (not open market) | $150K |
| May 13, 2026 | Pamela L. Tondreau (Director) | Bought | $167K |
| May 6, 2026 | Aidan Ryan (CFO) | Bought (not open market) | $215K |
| Apr 6, 2026 | Arve Hanstveit (Director) | Sold | $24.9K |
| Apr 2, 2026 | Arve Hanstveit (Director) | Sold | $1.7M |
| Mar 10, 2026 | Arve Hanstveit (Director) | Sold | $274K |
| Mar 6, 2026 | Arve Hanstveit (Director) | Sold | $123K |
| Mar 5, 2026 | Arve Hanstveit (Director) | Sold | $411K |
| Mar 5, 2026 | Natarajan Ramanan (CTO) | Sold | $2.9K |
| Mar 4, 2026 | Rodney Clemente (VP) | Sold | $218K |
| Mar 3, 2026 | Natarajan Ramanan (CTO) | Sold (not open market) | $27.8K |
| Feb 17, 2026 | Matthew Hostetler (Officer) | Bought (not open market) | — |
| Feb 17, 2026 | Natarajan Ramanan (CTO) | Bought (not open market) | — |
| Feb 17, 2026 | William Yeung (C-suite exec) | Bought (not open market) | — |
Who's trading ERII
- Rodney Clemente, VP: sold $275K (3 sales), last Jul 28, 2026
- William Yeung, C-suite exec: sold $559K (12 sales), last Jul 28, 2026
- John Joseph Mitchell, Director: other filings, last Jul 9, 2026
- Alexander J Buehler, Director: sold $130K (1 sale), last Jun 15, 2026
- Colin R Sabol, Director: bought $99.3K (1 buy), last Jun 15, 2026
- Arve Hanstveit, Director: sold $3M (7 sales), last Jun 4, 2026
- Pamela L. Tondreau, Director: bought $167K (1 buy), last Jun 4, 2026
- Joan Kai Chow, Director: other filings, last Jun 4, 2026
- Aidan Ryan, CFO: other filings, last May 6, 2026
- Natarajan Ramanan, CTO: sold $2.9K (1 sale), last Mar 5, 2026
- David W Moon, CEO: other filings, last Feb 17, 2026
- Matthew Hostetler, Officer: other filings, last Feb 17, 2026
- Michael S. Mancini, CFO: other filings, last Feb 17, 2026
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