CIK 0001421517 · Large accelerated filer
Energy Recovery, Inc.
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- ERII
- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 010616867
- Phone
- (510) 483-7370
- Business address
- 1717 DOOLITTLE DRIVE, SAN LEANDRO, CA, 94577
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-01-30 | Moon David W President and CEO | Shares withheld for taxes | −17,160 | $14.30 | $245K | 151,257 |
| 2026-01-28 | Yeung William Chief Legal Officer | Sale 10b5-1 | −7,271 | $14.55 | $106K | 90,098 |
| 2025-12-05 | Hanstveit Arve Director | Sale | −15,000 | $14.71 | $221K | 625,220 |
| 2025-12-04 | Hanstveit Arve Director | Sale | −15,000 | $14.97 | $225K | 640,220 |
| 2025-10-24 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +5,638 | $10.19 | $57K | 103,007 |
| 2025-10-24 | Yeung William Chief Legal Officer | Sale 10b5-1 | −5,638 | $18.00 | $101K | 97,369 |
| 2025-10-24 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +3,530 | $7.50 | $26K | 100,899 |
| 2025-10-24 | Yeung William Chief Legal Officer | Sale 10b5-1 | −3,530 | $18.00 | $64K | 97,369 |
| 2025-10-24 | Yeung William Chief Legal Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −5,638 | $10.19 | $57K | 16,229 |
| 2025-10-24 | Yeung William Chief Legal Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −3,530 | $7.50 | $26K | 14,120 |
| 2025-10-23 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +3,530 | $7.50 | $26K | 100,899 |
| 2025-10-23 | Yeung William Chief Legal Officer | Sale 10b5-1 | −3,530 | $17.50 | $62K | 97,369 |
| 2025-10-23 | Yeung William Chief Legal Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −3,530 | $7.50 | $26K | 17,650 |
| 2025-10-20 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +3,530 | $7.50 | $26K | 100,899 |
| 2025-10-20 | Yeung William Chief Legal Officer | Sale 10b5-1 | −3,530 | $17.00 | $60K | 97,369 |
| 2025-10-20 | Yeung William Chief Legal Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −3,530 | $7.50 | $26K | 21,180 |
| 2025-10-16 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +3,530 | $7.50 | $26K | 100,899 |
| 2025-10-16 | Yeung William Chief Legal Officer | Sale 10b5-1 | −3,530 | $16.50 | $58K | 97,369 |
| 2025-10-16 | Yeung William Chief Legal Officer | Option exercise · Employee Stock Option (Right to Buy) 10b5-1 | −3,530 | $7.50 | $26K | 24,710 |
| 2025-10-03 | Yeung William Chief Legal Officer | Option exercise 10b5-1 | +1,038 | $7.50 | $8K | 98,407 |
Page 3 of 49 · 973 trades