Robert Yu Lang Mao - Aug 9, 2022 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Role
President and CEO, Director
Signature
/s/ William Yeung, Attorney-in-Fact for Robert Yu Lang Mao
Stock symbol
ERII
Transactions as of
Aug 9, 2022
Transactions value $
-$44,927
Form type
4
Date filed
8/11/2022, 05:59 PM
Previous filing
Feb 1, 2022
Next filing
Feb 1, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $10.9K +2K $5.43 2K Aug 9, 2022 Direct
transaction ERII Common Stock Sale -$44.9K -2K -100% $22.46 0 Aug 9, 2022 Direct
transaction ERII Common Stock Options Exercise $82.7K +15.2K $5.43 15.2K Aug 10, 2022 Direct
holding ERII Common Stock 64K Aug 9, 2022 Limited Purpose Trust
holding ERII Common Stock 32.2K Aug 9, 2022 The Robert and Iran Mao Rev Trust DTD 04-06-2006

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ERII Stock Option (Right to Buy) Options Exercise -$10.9K -2K -11.6% $5.43 15.2K Aug 9, 2022 Common Stock 2K $5.43 Direct F1
transaction ERII Stock Option (Right to Buy) Options Exercise -$82.7K -15.2K -100% $5.43 0 Aug 10, 2022 Common Stock 15.2K $5.43 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This stock option was granted on 9/3/2013. All the options are fully vested and exercisable on the date of the 2014 Shareholder Meeting.

Remarks:

Exhibit 24