Robert Yu Lang Mao - 29 Feb 2024 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Role
Director
Signature
/s/ William Yeung, Attorney-in-Fact for Robert Yu Lang Mao
Issuer symbol
ERII
Transactions as of
29 Feb 2024
Net transactions value
-$975,869
Form type
4
Filing time
04 Mar 2024, 19:35:40 UTC
Previous filing
13 Nov 2023
Next filing
06 Mar 2024
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $138,778 +39,314 +22% $3.53 215,426 29 Feb 2024 Direct
transaction ERII Common Stock Sale $612,512 -39,314 -18% $15.58 176,112 29 Feb 2024 Direct F1
transaction ERII Common Stock Options Exercise $18,151 +5,142 +2.9% $3.53 181,254 01 Mar 2024 Direct
transaction ERII Common Stock Options Exercise $96,018 +32,883 +18% $2.92 214,137 01 Mar 2024 Direct
transaction ERII Common Stock Sale $83,403 -5,142 -2.4% $16.22 208,995 01 Mar 2024 Direct F2
transaction ERII Common Stock Sale $532,902 -32,883 -16% $16.21 176,112 01 Mar 2024 Direct F2
holding ERII Common Stock 96,208 29 Feb 2024 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 $0 -39,314 -88% $0.000000 5,142 29 Feb 2024 Common Stock 39,314 $3.53 Direct F3
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -5,142 -100% $0.000000* 0 01 Mar 2024 Common Stock 5,142 $3.53 Direct F3
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -32,883 -62% $0.000000 20,509 01 Mar 2024 Common Stock 32,883 $2.92 Direct F4
* 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 $15.435 to $15.76 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 $15.96 to $16.58 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 (Grant #697) was granted on February 9, 2015, and is fully vested.
F4 The stock option (Grant #753) was granted on June 23, 2015, and is fully vested.

Remarks:

Exhibit 24