Stocks · Industrials · Special Industry Machinery, NEC

Energy Recovery, Inc.

ERII Clue Score76
United States Fiscal year ends December CIK 0001421517 Results filed 4 Nov 2026

What the insiders did Net selling

Insider
Date
Role
Action
Shares
Price
Amount
Alexander J Buehler
19 Aug 2024
Director
Exercised, kept
19,841
$2.92
$57.94K
Robert Yu Lang Mao
23 May 2024
Director
Exercised, kept
2,084
$7.79
$16.23K
Robert Yu Lang Mao
23 May 2024
Director
Exercised, kept
10,752
$7.79
$83.76K
Robert Yu Lang Mao
8 Nov 2023
Director
Exercised, kept
6,306
$13.96
$88.03K
Robert Yu Lang Mao
8 Nov 2023
Director
Exercised, kept
38,540
$7.79
$300.23K
Robert Yu Lang Mao
8 Nov 2023
Director
Exercised, kept
26,662
$7.79
$207.70K
Robert Yu Lang Mao
10 Aug 2022
President and CEO
Exercised, kept
15,236
$5.43
$82.73K
Robert Yu Lang Mao
15 May 2019
Director
Exercised, kept
39,042
$2.61
$101.90K

What was left out

Form 4 filings counted 356
Amendments (4/A) skipped 27
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 13
Sales straight out of an exercise 104
Sales at will 108
Transactions with no price 0
Shares from compensation/vesting 11,184,407
Sales filed before the plan box existed 62
History held since 3 Jul 2008