William Yeung - Jan 28, 2022 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Role: Chief Legal Officer
Signature: /s/ William Yeung
Stock symbol: ERII
Transactions as of: Jan 28, 2022
Transactions value $: $385,364
Form type: 4
Date filed: 2/1/2022, 04:19 PM
Next filing: Feb 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ERII	Common Stock	Award	$0	+7.9K	+12.18%	$0.00	72.7K	Jan 28, 2022	Direct	F1
holding	ERII	Common Stock						8.07K	Jan 28, 2022	Spouse

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	Employee Stock Option (Right to Buy)	Award	$385K	+20.3K		$18.99	20.3K	Jan 28, 2022	Common Stock	20.3K	$18.99	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This employee restricted stock unit was granted on the transaction date. 25% of the restricted stock unit will vests on the first four anniversaries of the grant date.
F2	This employee stock option was granted on the transaction date. 25% of the options will vest on the 1st anniversary of the grant date; thereafter, the remaining 75% vest 1/36th per month.