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These shares were sold in multiple transactions at prices ranging from $25.02 to $25.38, inclusive. 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These shares were sold in multiple transactions at prices ranging from $22.67 to $23.30, inclusive. 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person on August 25, 2022."}],"balance_after":900,"source":{"system":"sec-edgar","filing":"0001140361-23-042794","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036123042794/form4.xml","form_type":"4"}},{"id":1788710,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common 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The exercise price was inadvertently stated as $13.24 in the Form 4. The exercise price should have been stated as $13.89 in the Form 4."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option will vest and become exercisable as to 75,000 shares on August 10, 2024 and the remaining 225,000 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date."}],"balance_after":300000,"derivative":{"exercise_price":13.89,"expiration_date":"2033-08-09","underlying":"Class A Common Stock","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001140361-23-040768","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036123040768/form4.xml","form_type":"4/A","original_submission_date":"2023-08-14"}},{"id":1808157,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Stock Option","published_at":"2023-08-14T21:30:51.000Z","date":"2023-08-10","kind":"grant","planned":false,"acquired":false,"shares":300000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option will vest and become exercisable as to 75,000 shares on August 10, 2024 and the remaining 225,000 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date."}],"balance_after":300000,"derivative":{"exercise_price":13.24,"expiration_date":"2033-08-09","underlying":"Class A Common Stock","underlying_shares":300000},"source":{"system":"sec-edgar","filing":"0001140361-23-039742","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036123039742/form4.xml","form_type":"4"}},{"id":2074043,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Stock Option","published_at":"2022-12-31T02:30:32.000Z","date":"2022-12-28","kind":"grant","acquired":true,"shares":22500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"On March 4, 2022, the reporting person was granted an option to purchase 60,000 shares of Class A Common Stock of the Issuer. The option vests and becomes exercisable based on the Issuer's satisfaction of certain performance criteria. On December 28, 2022, the Issuer confirmed that certain of the performance criteria were met, resulting in vesting of the option as to 22,500 shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"On March 4, 2022, the reporting person was granted an option to purchase 60,000 shares of Class A Common Stock of the Issuer. The option vests and becomes exercisable based on the Issuer's satisfaction of certain performance criteria. On December 28, 2022, the Issuer confirmed that certain of the performance criteria were met, resulting in vesting of the option as to 22,500 shares."}],"balance_after":22500,"derivative":{"exercise_price":25.45,"expiration_date":"2032-03-03","underlying":"Class A Common Stock","underlying_shares":22500},"source":{"system":"sec-edgar","filing":"0001140361-22-047729","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122047729/form4.xml","form_type":"4"}},{"id":2183581,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Stock 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the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"The option vested and became exercisable as to 10,000 shares on August 1, 2019, and the remaining 30,000 shares vest and became or become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date."}],"balance_after":4672,"derivative":{"exercise_price":13.85,"expiration_date":"2028-07-31","underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337147,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie 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date."}],"balance_after":9672,"derivative":{"exercise_price":13.85,"expiration_date":"2028-07-31","underlying":"Class A Common Stock","underlying_shares":300},"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337146,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common 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Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":400,"price":67.13,"value":26852.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.98 to $67.60, inclusive."}],"balance_after":1077,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337143,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":588,"price":65.59,"value":38566.92,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.22 to $65.69, inclusive."}],"balance_after":1477,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337142,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":1035,"price":64.42,"value":66674.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.13 to $64.98, inclusive."}],"balance_after":2065,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337141,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":700,"price":63.42,"value":44394.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.01 to $63.96, inclusive."}],"balance_after":3100,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337140,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":400,"price":61.57,"value":24628.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.26 to $62.00, inclusive."}],"balance_after":3800,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337139,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2022-03-11T22:06:38.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":1100,"price":60.56,"value":66616.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.06 to $61.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3), (4), (5) and (6) to this Form 4."}],"balance_after":4200,"source":{"system":"sec-edgar","filing":"0001140361-22-009174","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036122009174/form4.xml","form_type":"4"}},{"id":2337138,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common 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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3), (4), (5) and (6) to this Form 4."}],"balance_after":4579,"source":{"system":"sec-edgar","filing":"0001140361-21-038928","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036121038928/form4.xml","form_type":"4"}},{"id":2500005,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See Remarks"}}],"security":"Class A Common Stock","published_at":"2021-11-22T22:00:37.000Z","date":"2021-11-18","kind":"exercise","acquired":true,"shares":5000,"price":13.85,"value":69250.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On November 18, 2021, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer."}],"balance_after":5000,"source":{"system":"sec-edgar","filing":"0001140361-21-038928","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036121038928/form4.xml","form_type":"4"}},{"id":2594416,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See remarks"}}],"security":"Stock Option","published_at":"2021-08-20T20:33:44.000Z","date":"2021-08-19","kind":"exercise","acquired":false,"shares":5000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On August 19, 2021, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option vested and became exercisable as to 10,000 shares on August 1, 2019, and the remaining 30,000 shares vest and became or become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date."}],"balance_after":14972,"derivative":{"exercise_price":13.85,"expiration_date":"2028-07-31","underlying":"Class A Common Stock","underlying_shares":5000},"source":{"system":"sec-edgar","filing":"0001140361-21-029025","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036121029025/form4.xml","form_type":"4"}},{"id":2594415,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See remarks"}}],"security":"Class A Common Stock","published_at":"2021-08-20T20:33:44.000Z","date":"2021-08-19","kind":"sale","acquired":false,"shares":200,"price":83.89,"value":16778.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sale reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. 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The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (3), (4) and (5) to this Form 4."}],"balance_after":726,"source":{"system":"sec-edgar","filing":"0001140361-21-029025","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1680062/000114036121029025/form4.xml","form_type":"4"}},{"id":2594412,"issuer":{"id":3926,"kind":"organization","name":"ACM Research, Inc.","symbol":"ACMR"},"owners":[{"id":20733,"kind":"person","name":"McKechnie Mark","position":1,"cik":"0001775007","reported_name":"McKechnie Mark","relationship":{"officer":true,"officer_title":"See remarks"}}],"security":"Class A Common 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