Insider sales at Energy Recovery (ERII) show 50k, 15k, 38,418-share transactions

Rhea-AI Filing Summary

Arve Hanstveit reported Form 144 sales of common stock of Energy Recovery, Inc.

The filing lists broker information (Wells Fargo Clearing Services) and three recorded transactions: 50,000 shares on 12/04/2025 (proceeds $224,240.21), 15,000 shares on 12/05/2025 (proceeds $220,294.90), and 38,418 shares on 03/05/2026 (proceeds $411,020.78).

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
common	Wells Fargo Clearing Services 1 North Jefferson Avenue St. Louis MO 63103	11582	122788.39	52828666	03/06/2026	Nasdaq

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
common	12/13/1998	Pre-IPO	Issuer			11582	12/13/1998	cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Arve Hanstveit 1717 Doolittle Drive San Leandro CA 94577	Energy Recovery, Inc.	12/04/2025	50000	224240.21
Arve Hanstveit 1717 Doolittle Drive San Leandro CA 94577	Energy Recovery, Inc.	12/05/2025	15000	220294.90
Arve Hanstveit 1717 Doolittle Drive San Leandro CA 94577	Energy Recovery, Inc.	03/05/2026	38418	411020.78

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What sales does the ERII Form 144 report list?

The Form 144 lists three sales by Arve Hanstveit: 50,000; 15,000; and 38,418 shares. The entries include transaction dates 12/04/2025, 12/05/2025, and 03/05/2026 and dollar proceeds for each sale.

Who handled the transactions reported in the ERII Form 144?

Wells Fargo Clearing Services is named as the broker. The filing shows Wells Fargo Clearing Services with an address and Nasdaq routing, associating it with the reported common-stock transactions.

How much proceeds were recorded for the 38,418-share sale in ERII Form 144?

The 38,418-share sale shows proceeds of $411,020.78. That amount is listed alongside the transaction dated 03/05/2026 as entered in the Form 144 excerpt.

Does the ERII Form 144 excerpt show other sales earlier in December 2025?

Yes; two December 2025 sales are listed: 50,000 shares and 15,000 shares. Those sales are dated 12/04/2025 (proceeds $224,240.21) and 12/05/2025 (proceeds $220,294.90).