Michael S. Mancini - 30 Jan 2026 Form 4 Insider Report for Energy Recovery, Inc. (ERII)

Signature
/s/ William Yeung, Attorney-in-Fact for Michael S. Mancini
Issuer symbol
ERII
Transactions as of
30 Jan 2026
Net transactions value
-$68,611
Form type
4
Filing time
03 Feb 2026, 17:46:17 UTC
Previous filing
27 Jan 2025
Next filing
19 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mancini Michael S. Chief Financial Officer 1717 DOOLITTLE DRIVE, SAN LEANDRO /s/ William Yeung, Attorney-in-Fact for Michael S. Mancini 03 Feb 2026 0002030679

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ERII Common Stock Tax liability $68,611 -4,798 -14% $14.30 29,425 30 Jan 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Remarks:

Exhibit 24