Arve Hanstveit - 05 Mar 2026 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Role
Director
Signature
/s/ William Yeung Attorney-in-fact for Arve Hanstveit
Issuer symbol
ERII
Transactions as of
05 Mar 2026
Net transactions value
-$534,400
Form type
4
Filing time
09 Mar 2026, 17:33:37 UTC
Previous filing
08 Dec 2025
Next filing
11 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hanstveit Arve Director C/O ENERGY RECOVERY, INC., 1717 DOOLITTLE DRIVE, SAN LEANDRO /s/ William Yeung Attorney-in-fact for Arve Hanstveit 09 Mar 2026 0001430122

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Sale $411,457 -38,418 -6.1% $10.71 586,802 05 Mar 2026 Direct F1
transaction ERII Common Stock Sale $122,943 -11,582 -2% $10.62 575,220 06 Mar 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This amount represents the weighted average sales price of multiple trades ranging from $10.71 to $10.7109 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.

Remarks:

Exhibit 24