| 2026-08-05 | 10-Q | 10.2 | Offer of Employment with Energy Recovery, Inc as Interim President and Chief Executive |
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| 2026-08-05 | 10-Q | 10.1 | Offer of Employment with Energy Recovery, Inc as Interim Chief Financial Officer |
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| 2026-06-11 | 8-K/A | 10.1 | EX-10.1 - OFFER OF EMPLOYMENT WITH ENERGY RECOVERY, INC |
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| 2026-05-06 | 10-Q | 10.1 | Third Amendment to the Credit Agreement by and between Energy Recovery, Inc. as Borrower, and JPMorgan Chase Bank N.A. as Lender dated January 21, 2026 |
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| 2026-05-06 | 8-K | 10.1 | Offer Letter to Aidan Ryan |
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| 2025-05-07 | 10-Q | 10.2 | Professional Services Agreement by and between Energy Recovery, Inc. and Farshad Ghasripoor |
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| 2025-05-07 | 10-Q | 10.1 | Offer of Employment by and between Energy Recovery, Inc. and Ram Ramanan as Chief Technology Officer |
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| 2025-02-26 | 10-K | 10.20 | EXHIBIT 10.20 - 2020 INCENTIVE PLAN PRSU GRANT AGREEMENT |
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| 2025-02-26 | 8-K | 10.1 | EXHIBIT 10.1 - RAMANAN, RAM OFFER LETTER |
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| 2024-07-31 | 8-K | 10.1 | EXHIBIT 10.1 - CFO OFFER LETTER DTD JULY 31, 2024 |
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| 2024-07-02 | 8-K | 10.1 | EXHIBIT 10.1 - CFO GENERAL RELEASE AND APPOINTMENT OF INTERIM CAO |
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| 2024-02-21 | 10-K | 10.13 | EXHIBIT 10.13 - ENERGY RECOVERY INC. 2020 INCENTIVE PLAN |
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| 2024-01-31 | 8-K/A | 10.1 | EXHIBIT 10.1 - CEO OFFER LETTER DTD JANUARY 25, 2024 |
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| 2023-11-01 | 10-Q | 10.1 | EXHIBIT 10.1 - JPMC 2ND AMENDMENT TO CREDIT AGREEMENT |
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| 2023-10-27 | 8-K | 10.1 | EXHIBIT 10.1 - RSU GRANT NOTICE AND AGREEMENT |
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| 2022-08-03 | 10-Q | 10.1 | EXHIBIT 10.1 - JPMC-ERI 1ST AMENDMENT TO CREDIT AGREEMENT |
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| 2022-01-06 | 8-K | 10.1 | EXHIBIT 10.1 - JPMC CREDIT AGREEMENT |
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| 2021-02-10 | 8-K | 10.1 | EXHIBIT 10.1 - SEVERANCE PLAN |
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| 2020-06-29 | 8-K/A | 10.1 | EXHIBIT 10.1 - SLB TERMINATION & RELEASE AGREEMENT |
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| 2020-05-22 | 8-K/A | 10.1 | EXHIBIT 10.1 - CEO OFFER LETTER DTD MAY 20, 2020 |
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| 2020-05-01 | 10-Q | 10.1 | EXHIBIT 10.1 - TRACY CA PROPERTY LEASE |
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| 2020-03-25 | 8-K/A | 10.1 | EX-10.1 SETTLEMENT AGREEMENT AND RELEASE (SIEBERT) |
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| 2019-11-19 | 8-K/A | 10.1 | Settlement Agreement and Release, dated as of November 15, 2019, by and between Energy Recovery, Inc., and Chris Gannon |
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| 2019-08-02 | 10-Q | 10.1 | Sixth Amendment to Loan and Pledge Agreement between Energy Recovery, Inc. and Citibank, N.A. |
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| 2019-05-02 | 10-Q | 10.2 | Fifth Amendment to Loan and Pledge Agreement by and between Energy Recovery, Inc. and Citibank N.A. |
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| 2019-05-02 | 10-Q | 10.1 | Fourth Amendment to Loan and Pledge Agreement by and between Energy Recovery, Inc. and Citibank N.A. |
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| 2019-01-16 | 8-K | 10.1 | Lease Agreement, dated as of January 10, 2019, by and between Energy Recovery, Inc., and FS Clay, LLC |
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| 2018-11-01 | 10-Q | 10.5 | EXHIBIT 10.5 - THIRD AMENDMENT LOAN AND PLEDGE AGREEMENT |
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| 2018-08-27 | 8-K | 10.3 | Employment Agreement with Mr. Rodney Clemente |
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| 2018-08-27 | 8-K | 10.2 | Employment Agreement with Mr. Nocair Bensalah |
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| 2018-08-27 | 8-K | 10.1 | Employment Agreement with Mr. Eric Siebert |
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| 2018-05-08 | 8-K | 10.1 | EXHIBIT 10.1 - OFFER OF PROMOTION |
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| 2018-05-03 | 10-Q | 10.1 | EXHIBIT 10.1 CITIBANK AGREEMENT |
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| 2018-04-24 | 8-K | 10.1 | EXHIBIT 10.1 - SEVERANCE AGREEMENT |
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| 2018-04-18 | 8-K | 10.1 | EXHIBIT 10.1 - 1717 DOOLITTLE LEASE AGREEMENT |
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| 2017-05-04 | 10-Q | 10.1 | First Amendment to Loan and Pledge Agreement by and between Energy Recovery, Inc. and Citibank, N.A. |
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| 2017-03-10 | 10-K | 10.34 | Loan and Pledge Agreement between Energy Recovery, Inc. as Borrower, and Citibank, N.A. as Lender |
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| 2016-03-04 | 10-K | 10.31 | License Agreement by and between ERI Energy Recovery Ireland, Ltd. and Schlumberger Technology Corporation |
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| 2016-03-04 | 10-K | 10.30 | Offer Letter to Ms. Emily Smith dated September 17, 2015 |
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| 2016-03-04 | 10-K | 10.25 | Offer Letter to Mr. Eric Siebert, dated May 5, 2015 |
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| 2016-03-02 | 8-K | 10.1 | Energy Recovery, Inc. Annual Incentive Plan |
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| 2015-08-06 | 10-Q | 10.7 | Second Amendment to Loan Agreement with HSBC Bank USA, National Association |
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| 2015-04-29 | 8-K | 10.1 | Energy Recovery, Inc. 2015 Annual Incentive Plan |
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| 2015-01-13 | 8-K | 10.2 | Draft Consulting Agreement |
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| 2015-01-13 | 8-K | 10.1 | Amendment to Offer Letter, dated as of January 12, 2015 |
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| 2014-11-10 | 10-Q | 10.2 | Offer Letter of Employment to Mr. David Barnes, Chief Sales Officer dated September 22, 2014 |
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| 2014-11-10 | 10-Q | 10.1 | Radakovich Settlement Agreement |
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| 2014-04-30 | 8-K | 10.1 | Energy Recovery, Inc. Annual Incentive Plan (Schedule A of this document will be provided to the Securities and Exchange Commission upon request) |
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| 2013-04-08 | 8-K | 10.1 | Energy Recovery, Inc. Annual Incentive Plan |
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| 2013-03-12 | 10-K | 10.14 | Third Amendment to Modified Industrial Gross Lease dated June 26, 2009 between the Company and Doolittle Williams, LLC |
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| 2012-06-11 | 8-K | 10.1 | Loan Agreement with HSBC Bank, USA, National Association |
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| 2012-05-09 | 10-Q | 10.44 | Annual Incentive Plan |
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| 2012-03-09 | 8-K | 10.1 | Energy Recovery, Inc. Change in Control Severance Plan |
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| 2011-08-08 | 10-Q | 10.43 | Control Agreement dated July 7, 2011, between the Company, Citibank, N.A., Citigroup Global Markets Inc., and Morgan Stanley Smith Barney LLC |
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| 2011-08-08 | 10-Q | 10.42 | Fourth Amendment to Loan and Security Agreement dated June 28, 2011, between the Company and Citibank, N.A. |
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| 2011-05-06 | 10-Q | 10.41 | Offer Letter dated April 13, 2011, to Alexander Buehler. |
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| 2011-03-15 | 10-K | 10.40 | Re: Resignation Acceptance and Separation Package |
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| 2011-03-15 | 10-K | 10.39 | FIRST AMENDMENT TO THE ENERGY RECOVERY, INC. |
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| 2010-08-06 | 10-Q | 10.19.3 | EX-10.19.3 |
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| 2010-05-07 | 10-Q | 10.22.1 | EX-10.22.1 |
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| 2010-05-07 | 10-Q | 10.22 | Employment agreement dated August 1, 2007 between the Company and Borja Sanchez-Blanco. |
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| 2010-03-15 | 10-K | 10.19.2 | EX-10.19.02 |
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| 2010-03-15 | 10-K | 10.19.1 | EX-10.19.1 |
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| 2009-08-07 | 10-Q | 10.21 | Energy Recovery, Inc. Change in Control Severance Plan |
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| 2009-08-07 | 10-Q | 10.17.2 | EX-10.17.2 |
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| 2009-08-07 | 10-Q | 10.17.1 | EX-10.17.1 |
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| 2009-05-08 | 10-Q | 10.20 | Pledge and Security Agreement dated February 17, 2009, between the Company and Comerica Bank. |
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| 2009-05-08 | 10-Q | 10.19 | Loan and Security Agreement dated January 7, 2009, between the Company and Citibank, N.A. |
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| 2009-03-27 | 10-K | 10.18 | En Madrid, a 1 de Septiembre de dos mil ocho |
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| 2009-03-27 | 10-K | 10.17 | 2250 WILLIAMS STREET MODIFIED INDUSTRIAL GROSS LEASE |
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| 2009-03-27 | 10-K | 10.16.4 | EX-10.16.4 |
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| 2009-03-27 | 10-K | 10.7.3 | EX-10.7.3 |
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