Chow Joan Kai (CIK 1390709) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-05). Recent activity: Buy ERII (18,094 shares), Buy ERII (12,038 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | Energy Recovery, Inc. (ERII) | Director | Buy | 18,094 | $149,999 |
| 2025-06-06 | Energy Recovery, Inc. (ERII) | Director | Buy | 12,038 | $0 |
Source: SEC Form 4 filings · as of 2026-06-05