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BCS

Beneficial Ownership Report · SCHEDULE 13G/A

Energy Recovery, Inc.

ERIINASDAQEQUITYCurrent

Beneficial Ownership Report

Filed Oct 26, 2026Accepted Oct 26, 2026, 3:57 PM EDTFiling CIK 1421517Accession 0001172661-26-004697
Share

Structured filing — SCHEDULE 13G/A

primary_doc.xml

Open full document ↗

Amendment · This filing reports the amendment as submitted.

Subject company

Company
Energy Recovery, Inc.
Company CIK
0001421517
Street
1717 DOOLITTLE DRIVE
City
SAN LEANDRO
State / country code
CA
Postal code
94577

Statement details

Amendment number
4
Security class
Common Stock, $0.001 par value
Event date
09/30/2026
Rule designation
Rule 13d-1(b)

Reporting person 1

Name
AMUNDI
Citizenship / organization
I0
Reporting person type
HC
Aggregate amount owned
3,588,117.00
Percent of class
7.03
Sole voting power
0.00
Shared voting power
2,060,091.00
Sole dispositive power
0.00
Shared dispositive power
1,528,026.00
Aggregate excludes certain shares
N

Reporting person 2

Name
AMUNDI ASSET MANAGEMENT
Citizenship / organization
I0
Reporting person type
HC
Aggregate amount owned
3,588,117.00
Percent of class
7.03
Sole voting power
0.00
Shared voting power
2,060,091.00
Sole dispositive power
0.00
Shared dispositive power
1,528,026.00
Aggregate excludes certain shares
N

Item 1

Issuer

Energy Recovery, Inc.

Principal executive office address

1717 Doolittle Dr., San Leandro, CA 94577

Item 2

Citizenship

Both Amundi and Amundi Asset Management are organized under the laws of the Republic of France.

Filing person

Amundi Amundi Asset Management

Principal business or residence address

Amundi: 91-93 boulevard Pasteur, 75015 Paris, France Amundi Asset Management: 91-93 boulevard Pasteur, 75015 Paris, France

Item 3

Not applicable indication

N

Type of filing person

HC

Item 4

Percent of class

7.03%

Amount beneficially owned

3,588,117

Sole voting power

0

Shared voting power

2,060,091

Sole dispositive power

0

Shared dispositive power

1,528,026

Item 5

Not applicable indication

Y

Item 6

Not applicable indication

Y

Item 7

Not applicable indication

N

Subsidiaries

KBI Global Investors (North America) Ltd KBI Global Investors Ltd

Item 8

Not applicable indication

Y

Item 9

Not applicable indication

Y

Item 10

Not applicable indication

N

Certifications

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

Signature 1

Reporting person
AMUNDI
Signed
John M. Malone
Title
John M. Malone | Chief Compliance Officer | Power of Attorney
Date
10/26/2026

Signature 2

Reporting person
AMUNDI ASSET MANAGEMENT
Signed
John M. Malone
Title
John M. Malone | Chief Compliance Officer | Power of Attorney
Date
10/26/2026

Company context

Energy Recovery (Nasdaq: ERII) designs and manufactures world-class energy-saving technology for critical infrastructure that communities rely on every day, driving a more resilient and sustainable future. Grounded in more than 30 years of leadership in the desalination industry, today we use our proprietary pressure exchanger technology to help customers in multiple industries improve their operations and lower their emissions. Headquartered in the San Francisco Bay Area, we operate manufacturing and R&D facilities throughout California, with sales and on-site technical support available globally.

Current securities

Recent company filings

  1. S-8 filingAug 17, 2026
  2. 10-Q filingAug 5, 2026
  3. Results of Operations and Financial ConditionAug 5, 2026
  4. 144 filingJul 28, 2026
  5. SCHEDULE 13G/A - filed by Amundi regarding Energy Recovery, Inc.Jul 22, 2026

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