Insider plans 729-share Energy Recovery (NASDAQ: ERII) sale

Rhea-AI Filing Summary

A shareholder of Energy Recovery has filed a notice of proposed sale under Rule 144 to sell 729 common shares through Fidelity Brokerage Services LLC on the NASDAQ, with an aggregate market value of $10,541.34.

The shares were acquired on 01/28/2026 through restricted stock vesting from the issuer as compensation. Over the prior three months, William Yeung sold 7,271 common shares on 01/28/2026 for gross proceeds of $105,793.05, as disclosed in the same notice.

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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	729	10541.34	52972096	02/02/2026	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	01/28/2026	Restricted Stock Vesting	Issuer			729	01/28/2026	Compensation

* 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
William Yeung 1717 Doolittle Drive San Leandro CA 94577	Common	01/28/2026	7271	105793.05

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 does the Form 144 filing disclose for Energy Recovery (ERII)?

The filing discloses that a shareholder plans to sell 729 Energy Recovery common shares under Rule 144. The proposed sale will be executed through Fidelity Brokerage Services LLC on the NASDAQ market, with an aggregate market value of $10,541.34.

How many Energy Recovery (ERII) shares are planned for sale in this notice?

The notice covers a proposed sale of 729 common shares of Energy Recovery. These shares are listed with an aggregate market value of $10,541.34 and are to be sold through Fidelity Brokerage Services LLC on the NASDAQ exchange.

How were the Energy Recovery (ERII) shares being sold acquired?

The shares were acquired on 01/28/2026 through restricted stock vesting from the issuer. The filing states the nature of payment as compensation, indicating these 729 shares arose from an equity award rather than an open-market purchase.

What recent Energy Recovery (ERII) stock sales by this person are disclosed?

The disclosure lists a prior sale by William Yeung of 7,271 common shares of Energy Recovery on 01/28/2026. Those shares generated $105,793.05 in gross proceeds, and this activity must be aggregated with the new planned sale under Rule 144.

On which exchange will the Energy Recovery (ERII) shares be sold and through which broker?

The proposed transaction will take place on the NASDAQ securities exchange. The broker handling the sale is Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917, as stated in the filing’s securities information table.

What type of securities are involved in this Energy Recovery (ERII) Form 144?

The filing involves common shares of Energy Recovery. It specifies 729 common shares to be sold under Rule 144, all acquired via restricted stock vesting on 01/28/2026 and held for the account of the person named in the notice.