Robert Yu Lang Mao - Nov 6, 2023 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Role
Director
Signature
/s/ William Yeung, Attorney-in-Fact for Robert Yu Lang Mao
Stock symbol
ERII
Transactions as of
Nov 6, 2023
Transactions value $
-$1,488,938
Form type
4
Date filed
11/8/2023, 07:38 PM
Previous filing
Oct 30, 2023
Next filing
Nov 13, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $1.01M +130K +196.68% $7.79 196K Nov 6, 2023 Direct
transaction ERII Common Stock Sale -$2.31M -130K -66.29% $17.76 66.1K Nov 6, 2023 Direct F1
transaction ERII Common Stock Options Exercise $268K +34.3K +51.95% $7.79 100K Nov 7, 2023 Direct
transaction ERII Common Stock Options Exercise $32.5K +4.17K +4.15% $7.79 105K Nov 7, 2023 Direct
transaction ERII Common Stock Options Exercise $1.69M +121K +116.04% $13.96 226K Nov 7, 2023 Direct
transaction ERII Common Stock Sale -$2.19M -121K -53.71% $18.02 105K Nov 7, 2023 Direct F2
holding ERII Common Stock 96.2K Nov 6, 2023 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 Employee Stock Option (Right to Buy) Options Exercise $0 -130K -58.14% $0.00 93.6K Nov 6, 2023 Common Stock 130K $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -34.3K -36.68% $0.00 59.3K Nov 7, 2023 Common Stock 34.3K $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -4.17K -8.34% $0.00 45.8K Nov 7, 2023 Common Stock 4.17K $7.79 Direct F4
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -121K -63.37% $0.00 70.2K Nov 7, 2023 Common Stock 121K $13.96 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This figure is the weighted average sales price of multiple trades ranging from $17.54 to $17.93 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.
F2 This figure is the weighted average sales price of multiple trades ranging from $17.81 to $18.22 per share. The reporting person undertakes to provide the SEC Staff, Energy Recovery, Inc. or a shareholder of Energy Recovery, Inc. full information about the number of shares sold at each separate price upon request.
F3 The stock option was granted on May 20, 2023.
F4 The stock option was granted on May 20, 2023.
F5 The stock option was granted on February 1, 2021.

Remarks:

Exhibit 24