{"transactions":[{"id":2565546,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-09-17T16:41:50.000Z","date":"2021-09-15","kind":"sale","acquired":false,"shares":1500000,"price":20.81,"value":31215000.0,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The filing persons of this Form 4 are Ole Peter Lorentzen, who is the controlling shareholder of Ludvig Lorentzen AS, and Sobral AS, a wholly owned subsidiary of Ludvig Lorentzen AS. The sale reported on this Form 4 was made pursuant to a registration statement on Form S-3 (File No. 333-233730). After giving effect to the sale reported on this Form 4, the shares of common stock beneficially owned by Mr. Lorentzen include 4,714,905 shares of common stock held by Sobral AS, no shares held by Ludvig Lorentzen AS, and 440,334 shares of common stock held in other accounts controlled by Mr. Lorentzen. The filing persons disclaim beneficial ownership of the securities reported on this Form 4 except to the extent of their pecuniary interest therein."}],"balance_after":5155239,"source":{"system":"sec-edgar","filing":"0001567619-21-017262","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000156761921017262/doc1.xml","form_type":"4"}},{"id":2641024,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-07-06T17:16:56.000Z","date":"2021-07-02","kind":"sale","acquired":false,"shares":23664,"price":21.7505,"value":514703.832,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The filing persons of this Form 4 are Ole Peter Lorentzen, who is the controlling shareholder of Ludvig Lorentzen AS, and Sobral AS, a wholly owned subsidiary of Ludvig Lorentzen AS. The sale reported on this Form 4 was made pursuant to a registration statement on Form S-3 (File No. 333-233730). After giving effect to the sale reported on this Form 4, the shares of common stock beneficially owned by Mr. Lorentzen include 6,214,905 shares of common stock held by Sobral AS, no shares held by Ludvig Lorentzen AS, and 440,334 shares of common stock held in other accounts controlled by Mr. Lorentzen. The filing persons disclaim beneficial ownership of the securities reported on this Form 4 except to the extent of their pecuniary interest therein."}],"balance_after":6655239,"source":{"system":"sec-edgar","filing":"0001567619-21-013025","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000156761921013025/doc1.xml","form_type":"4"}},{"id":2641023,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2021-07-06T17:16:56.000Z","date":"2021-07-01","kind":"sale","acquired":false,"shares":161431,"price":22.6654,"value":3658898.1874,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The filing persons of this Form 4 are Ole Peter Lorentzen, who is the controlling shareholder of Ludvig Lorentzen AS, and Sobral AS, a wholly owned subsidiary of Ludvig Lorentzen AS. The sale reported on this Form 4 was made pursuant to a registration statement on Form S-3 (File No. 333-233730). After giving effect to the sale reported on this Form 4, the shares of common stock beneficially owned by Mr. Lorentzen include 6,214,905 shares of common stock held by Sobral AS, no shares held by Ludvig Lorentzen AS, and 440,334 shares of common stock held in other accounts controlled by Mr. Lorentzen. The filing persons disclaim beneficial ownership of the securities reported on this Form 4 except to the extent of their pecuniary interest therein."}],"balance_after":6678903,"source":{"system":"sec-edgar","filing":"0001567619-21-013025","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000156761921013025/doc1.xml","form_type":"4"}},{"id":3079510,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":true}}],"security":"Stock Option (Right to Buy)","published_at":"2020-07-20T20:35:13.000Z","date":"2020-07-16","kind":"grant","acquired":false,"shares":18669,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares will fully vest and become exercisable on the 2021 Annual Meeting date, anticipated to be on or about June 10, 2021."}],"balance_after":18669,"derivative":{"exercise_price":7.64,"expiration_date":"2030-07-16","underlying":"Common Stock","underlying_shares":18669},"source":{"system":"sec-edgar","filing":"0001437749-20-015450","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000143774920015450/rdgdoc.xml","form_type":"4"}},{"id":3148783,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":true}}],"security":"Common Stock","published_at":"2020-05-14T19:00:25.000Z","date":"2020-05-12","kind":"sale","acquired":false,"shares":1500000,"price":7.52,"value":11280000.0,"ownership":{"direct":false,"nature":"See Note"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"The filing persons of this Form 4 are Ole Peter Lorentzen and Ludvig Lorentzen AS. Mr. Lorentzen is the controlling shareholder of Ludvig Lorentzen AS. The sale reported on this Form 4 was made pursuant to a registration statement on Form S-3 (File No. 333-233730). After giving effect to the sale reported on this Form 4, the shares of common stock beneficially owned by Mr. Lorentzen include 6,400,000 shares of common stock held by Ludvig Lorentzen AS and 440,334 shares of common stock held in other accounts controlled by Mr. Lorentzen. The filing persons disclaim beneficial ownership of the securities reported on this Form 4 except to the extent of their pecuniary interest therein."}],"balance_after":6840334,"source":{"system":"sec-edgar","filing":"0001437749-20-010824","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000143774920010824/rdgdoc.xml","form_type":"4"}},{"id":3338701,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-12-17T16:03:15.000Z","date":"2019-12-12","kind":"sale","acquired":false,"shares":150000,"price":8.7291,"value":1309365.0,"ownership":{"direct":false,"nature":"See Note 2"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This figure is the weighted average sales price of multiple trades. The Reporting Person undertakes to provide the SEC Staff, ERI or a shareholder of ERI full information about the number of shares sold at each separate price upon request."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Mr. Lorentzen is the controlling owner of Ludvig Lorentzen AS. The Issuer's Common Shares reported on this Form 4 as beneficially owned by Mr. Lorentzen include 7,7000,000 Common Shares held by Ludvig Lorentzen AS and Common Shares held in other accounts controlled by Mr. Lorenten."}],"balance_after":8340334,"source":{"system":"sec-edgar","filing":"0001437749-19-024525","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000143774919024525/rdgdoc.xml","form_type":"4"}},{"id":3464131,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":true}}],"security":"Stock Option (Right to 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Shares will fully vest and become exercisable on the 2019 Annual Meeting date, anticipated to be on or about June 13, 2019."}],"balance_after":117773,"derivative":{"exercise_price":8.49,"expiration_date":"2028-06-14","underlying":"Common Stock","underlying_shares":15879},"source":{"system":"sec-edgar","filing":"0001421517-18-000116","document":"wf-form4_152935799846530.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1429459/000142151718000116/wf-form4_152935799846530.xml","form_type":"4"}},{"id":4269175,"issuer":{"id":5679,"kind":"organization","name":"Energy Recovery, Inc."},"owners":[{"id":135383,"kind":"person","name":"Lorentzen Ole Peter","position":1,"cik":"0001429459","reported_name":"Lorentzen Ole Peter","relationship":{"director":true}}],"security":"Stock Option (Right to 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