Robert Yu Lang Mao - 22 May 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
22 May 2024
Net transactions value
-$291,656
Form type
4
Filing time
24 May 2024, 16:55:50 UTC
Previous filing
06 Mar 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Options Exercise $170,282 +21,859 +9.5% $7.79 251,936 22 May 2024 Direct
transaction ERII Common Stock Options Exercise $40,570 +5,208 +2.1% $7.79 257,144 22 May 2024 Direct
transaction ERII Common Stock Sale $291,656 -21,045 -8.2% $13.86 236,099 22 May 2024 Direct F1
transaction ERII Common Stock Options Exercise $83,758 +10,752 +4.6% $7.79 246,851 23 May 2024 Direct
transaction ERII Common Stock Options Exercise $16,234 +2,084 +0.84% $7.79 248,935 23 May 2024 Direct
holding ERII Common Stock 96,208 22 May 2024 The Robert and Iran Mao Rev Trust DTD 04-06-2006 F2

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 $170,282 -21,859 -67% $7.79 10,752 22 May 2024 Common Stock 21,859 $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $40,570 -5,208 -71% $7.79 2,084 22 May 2024 Common Stock 5,208 $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $83,758 -10,752 -100% $7.79 0 23 May 2024 Common Stock 10,752 $7.79 Direct F3
transaction ERII Employee Stock Option (Right to Buy) Options Exercise $16,234 -2,084 -100% $7.79 0 23 May 2024 Common Stock 2,084 $7.79 Direct F3
* 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 $13.81 to $13.95 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 Mr. Mao is a co-trustee and exercises shared voting and investment power.
F3 This employee stock option was granted on May 20, 2020. 25% of the underlying shares vest on the 1st anniversary of the vesting commencement date; thereafter, the remaining 75% vest 1/36th per month.

Remarks:

Exhibit 24