Robert Yu Lang Mao - 06 Nov 2023 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
06 Nov 2023
Net transactions value
-$1,488,938
Form type
4
Filing time
08 Nov 2023, 19:38:44 UTC
Previous filing
30 Oct 2023
Next filing
13 Nov 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $1,012,700 +130,000 +197% $7.79 196,096 06 Nov 2023 Direct
transaction ERII Common Stock Sale $2,308,800 -130,000 -66% $17.76 66,096 06 Nov 2023 Direct F1
transaction ERII Common Stock Options Exercise $267,509 +34,340 +52% $7.79 100,436 07 Nov 2023 Direct
transaction ERII Common Stock Options Exercise $32,469 +4,168 +4.1% $7.79 104,604 07 Nov 2023 Direct
transaction ERII Common Stock Options Exercise $1,694,507 +121,383 +116% $13.96 225,987 07 Nov 2023 Direct
transaction ERII Common Stock Sale $2,187,322 -121,383 -54% $18.02 104,604 07 Nov 2023 Direct F2
holding ERII Common Stock 96,208 06 Nov 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 -130,000 -58% $0.000000 93,613 06 Nov 2023 Common Stock 130,000 $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -34,340 -37% $0.000000 59,273 07 Nov 2023 Common Stock 34,340 $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -4,168 -8.3% $0.000000 45,832 07 Nov 2023 Common Stock 4,168 $7.79 Direct F4
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $0 -121,383 -63% $0.000000 70,151 07 Nov 2023 Common Stock 121,383 $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