Ramanan Natarajan (CIK 2058874) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Sell ERII (272 shares), Sell ERII (2,724 shares), Buy ERII (29,106 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | Energy Recovery, Inc. (ERII) | Chief Technology Officer | Sell | 272 | $2,875 |
| 2026-03-04 | Energy Recovery, Inc. (ERII) | Chief Technology Officer | Sell | 2,724 | $27,839 |
| 2026-02-19 | Energy Recovery, Inc. (ERII) | Chief Technology Officer | Buy | 29,106 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-03-06