Robert Yu Lang Mao - 28 Jan 2022 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Signature
/s/ William Yeung, Attorney-in-Fact for Robert Yu Lang Mao
Issuer symbol
ERII
Transactions as of
28 Jan 2022
Net transactions value
+$2,568,986
Form type
4
Filing time
01 Feb 2022, 16:19:05 UTC
Previous filing
04 Oct 2021
Next filing
11 Aug 2022

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 $2,568,986 +135,281 $18.99 135,281 28 Jan 2022 Common Stock 135,281 $18.99 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.