Robert Yu Lang Mao - Mar 4, 2024 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
Mar 4, 2024
Transactions value $
$104,827
Form type
4
Date filed
3/6/2024, 04:57 PM
Previous filing
Mar 4, 2024
Next filing
May 24, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $59.9K +20.5K +11.65% $2.92 197K Mar 4, 2024 Direct
transaction ERII Common Stock Sale -$323K -20.5K -10.43% $15.74 176K Mar 4, 2024 Direct F1
transaction ERII Common Stock Options Exercise $132K +15.3K +8.7% $8.60 191K Mar 4, 2024 Direct
transaction ERII Common Stock Sale -$240K -15.3K -7.98% $15.74 176K Mar 4, 2024 Direct F2
transaction ERII Common Stock Options Exercise $129K +16.7K +9.49% $7.71 193K Mar 4, 2024 Direct
transaction ERII Common Stock Options Exercise $135K +15.9K +8.23% $8.49 209K Mar 4, 2024 Direct
transaction ERII Common Stock Options Exercise $213K +21.3K +10.2% $9.98 230K Mar 4, 2024 Direct
holding ERII Common Stock 96.2K Mar 4, 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 -20.5K -100% $0.00* 0 Mar 4, 2024 Common Stock 20.5K $2.92 Direct F3
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -16.7K -100% $0.00* 0 Mar 4, 2024 Common Stock 16.7K $7.71 Direct F4
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -15.9K -100% $0.00* 0 Mar 4, 2024 Common Stock 15.9K $8.49 Direct F5
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -21.3K -100% $0.00* 0 Mar 4, 2024 Common Stock 21.3K $9.98 Direct F6
transaction ERII Stock Option (Right to Buy) Options Exercise $0 -15.3K -100% $0.00* 0 Mar 4, 2024 Common Stock 15.3K $8.60 Direct F7
* 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 $15.39 to $16.02 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 $15.385 to $16.03 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 #753) was granted on June 23, 2015 and is fully vested.
F4 The stock option (Grant #916) was granted on June 22, 2017 and is fully vested.
F5 The stock option (Grant #1016) was granted on June 14, 2018 and is fully vested.
F6 The stock option (Grant #1132) was granted on June 13, 2019 and is fully vested.
F7 The stock option (Grant #835) was granted on June 23, 2016 and is fully vested.

Remarks:

Exhibit 24