Energy Recovery, Inc. (ERII)
Data as of , from SEC Form 4 filings.
See up to 3 months of ERII. The 7-day demo opens the 1M and 3M ranges and puts ERII on your watchlist.
Start 7-day demoLatest ERII insider trades
About Energy Recovery, Inc. (ERII)
Energy Recovery, Inc. is an SEC registrant, filing under CIK 0001421517, classified as special industry machinery, nec. It is grouped with Industrials companies on this site.
ERII Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 7,435 | $64K |
| Grant or award | 1 | 16,797 | |
| Tax withholding / forfeiture | 2 | 5,148 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
ERII insider transactions (Form 4)
3744 Form 4 filings on record, the earliest from Oct 30, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Tax withholding / forfeiture | Common Stock | 2,320 footnote F1 | $8.42 | $20K | ||
| Open-market sale | Common Stock | 5,387 footnote F2 | $8.56 | $46K | ||
| ||||||
| Tax withholding / forfeiture | Common Stock | 2,828 footnote F1 | $8.42 | $24K | ||
| Open-market sale | Common Stock | 2,048 footnote F2 | $8.56 | $18K | ||
| ||||||
| John Joseph Mitchell - Director | Grant or award | Common Stock | 16,797 footnote F1 | $0.00 | - | |
| ||||||
| Grant or award | Common Stock | 18,518 | $11.61 | $215K | ||
| Open-market purchase | Common Stock | 11,180 | $8.88 footnote F1 | $99K | ||
| ||||||
| Alexander J. Buehler - Officer | Option exercise | Common Stock | 15,327 | $8.60 | $132K | |
| Alexander J. Buehler - Officer | Open-market sale | Common Stock | 14,900 | $8.71 footnote F1 | $130K | |
| Alexander J. Buehler - Officer | Option exercise | Stock Option (Right to Buy) | 15,327 | $8.60 | $132K | |
| ||||||
| Grant or award | Common Stock | 22,316 footnote F1 | $8.29 | $185K | ||
| ||||||
| Joan Kai Chow - Director | Grant or award | Common Stock | 18,094 footnote F1 | $8.29 | $150K | |
| ||||||
| Grant or award | Common Stock | 18,094 footnote F1 | $8.29 | $150K | ||
| ||||||
| Grant or award | Common Stock | 18,094 footnote F1 | $8.29 | $150K | ||
| ||||||
| Open-market purchase | Common Stock | 20,000 | $8.34 footnote F1 | $167K | ||
| ||||||
| Open-market sale | Common Stock | 2,419 footnote F1 | $10.29 | $25K | ||
| ||||||
| Open-market sale | Common Stock | 165,292 footnote F1 | $10.14 | $1.68M | ||
| ||||||
| Open-market sale | Common Stock | 25,000 | $10.96 footnote F1 | $274K | ||
| ||||||
| Open-market sale | Common Stock | 38,418 | $10.71 footnote F1 | $411K | ||
| Open-market sale | Common Stock | 11,582 | $10.62 | $123K | ||
| ||||||
| Open-market sale | Common Stock | 20,568 footnote F1 | $10.61 footnote F2 | $218K | ||
| ||||||
| Open-market sale | Common Stock | 272 | $10.57 | $3K | ||
| Tax withholding / forfeiture | Common Stock | 2,724 footnote F1 | $10.22 | $28K | ||
| ||||||
| Michael S. Mancini - Officer | Grant or award | Common Stock | 45,626 footnote F1,F2 | $0.00 | - | |
| ||||||
| David W. Moon - Officer | Grant or award | Common Stock | 81,812 footnote F1,F2 | $0.00 | - | |
| ||||||
| Grant or award | Common Stock | 25,959 footnote F1,F2 | $0.00 | - | ||
| ||||||
| Grant or award | Common Stock | 29,106 footnote F1,F2 | $0.00 | - | ||
| ||||||
| Grant or award | Common Stock | 45,626 footnote F1,F2 | $0.00 | - | ||
| ||||||
| Grant or award | Common Stock | 25,959 footnote F1,F2 | $0.00 | - | ||
| ||||||
| Open-market sale | Common Stock | 890 footnote F1 | $14.59 | $13K | ||
| Open-market sale | Common Stock | 646 footnote F1 | $15.14 | $10K | ||
| ||||||
| Open-market sale | Common Stock | 724 footnote F1 | $14.59 | $11K | ||
| ||||||
| Tax withholding / forfeiture | Common Stock | 694 footnote F1 | $14.65 | $10K | ||
| Tax withholding / forfeiture | Common Stock | 8,397 footnote F1 | $14.30 | $120K | ||
| ||||||
| Tax withholding / forfeiture | Common Stock | 3,359 footnote F1 | $14.30 | $48K | ||
| ||||||
| Michael S. Mancini - Officer | Tax withholding / forfeiture | Common Stock | 4,798 footnote F1 | $14.30 | $69K | |
| ||||||
| David W. Moon - Officer | Tax withholding / forfeiture | Common Stock | 17,160 footnote F1 | $14.30 | $245K | |
| ||||||
Recent ERII Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR | |
| - | - | - | - |
ERII insider trading FAQ
What is the latest insider trade for ERII?
Energy Recovery, Inc. (ERII) had 3 insider filings in the last 90 days, with the most recent on 2026-07-30. The full record for ERII runs to 44 Form 4 filings, the earliest from 2024-10-30. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying ERII stock?
No insider purchases of ERII were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling ERII stock?
2 insider sales of ERII were filed in the last 90 days, totaling $64K.
Where can I see ERII SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects ERII Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Industrials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Rodney Clemente view on EDGAR
- - William Yeung view on EDGAR
- - John Joseph Mitchell view on EDGAR
- - Aidan Ryan view on EDGAR
- - Colin R. Sabol view on EDGAR
- - Alexander J. Buehler view on EDGAR
- - Pamela L. Tondreau view on EDGAR
- - Joan Kai Chow view on EDGAR
- - Colin R. Sabol view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Industrials
- Where ERII's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow ERII with a 7-day demo
- ERII on your watchlist
- Every ERII Form 4 filing on record
- Up to 3 months of ERII price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive