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These shares were sold in multiple transactions at prices ranging from $70.00 to $70.59, 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 range."}],"balance_after":40905,"source":{"system":"sec-edgar","filing":"0001209191-20-032312","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674416/000120919120032312/doc4.xml","form_type":"4"}},{"id":3133816,"issuer":{"id":3852,"kind":"organization","name":"CRISPR Therapeutics AG","symbol":"CRSP"},"owners":[{"id":89934,"kind":"person","name":"Ho Tony W","position":1,"cik":"0001713637","reported_name":"Ho Tony W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Head of R&D"}}],"security":"Common Shares","published_at":"2020-05-27T20:32:44.000Z","date":"2020-05-22","kind":"sale","acquired":false,"shares":600,"price":70.05,"value":42030.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.00 to $70.07, 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 range."}],"balance_after":47005,"source":{"system":"sec-edgar","filing":"0001209191-20-032312","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674416/000120919120032312/doc4.xml","form_type":"4"}},{"id":3213593,"issuer":{"id":3852,"kind":"organization","name":"CRISPR Therapeutics AG","symbol":"CRSP"},"owners":[{"id":89934,"kind":"person","name":"Ho Tony W","position":1,"cik":"0001713637","reported_name":"Ho Tony W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Head of R&D"}}],"security":"Restricted Stock Units","published_at":"2020-03-12T20:20:15.000Z","date":"2020-03-10","kind":"grant","acquired":true,"shares":13750,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit represents a contingent right to receive one share of CRSP Common Shares."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"This restricted stock unit award was granted on March 10, 2020 with respect to 13,750 Common Shares, with (i) one third of the shares vesting on March 10, 2021, (ii) one third of the shares vesting on March 10, 2022, and (iii) one third of the shares vesting on March 10, 2023."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"This restricted stock unit award was granted on March 10, 2020 with respect to 13,750 Common Shares, with (i) one third of the shares vesting on March 10, 2021, (ii) one third of the shares vesting on March 10, 2022, and (iii) one third of the shares vesting on March 10, 2023."}],"balance_after":13750,"derivative":{"underlying":"Common Shares","underlying_shares":13750},"source":{"system":"sec-edgar","filing":"0001209191-20-018491","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1674416/000120919120018491/doc4.xml","form_type":"4"}},{"id":3213592,"issuer":{"id":3852,"kind":"organization","name":"CRISPR Therapeutics AG","symbol":"CRSP"},"owners":[{"id":89934,"kind":"person","name":"Ho Tony W","position":1,"cik":"0001713637","reported_name":"Ho Tony W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Head of R&D"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-03-12T20:20:15.000Z","date":"2020-03-10","kind":"grant","acquired":true,"shares":55000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option was granted on March 10, 2020 with respect to 55,000 Common Shares. 100% of the shares will vest in 48 equal monthly installments, with the first vesting date of April 10, 2020."}],"balance_after":55000,"derivative":{"exercise_price":44.67,"expiration_date":"2030-03-10","underlying":"Common Shares","underlying_shares":55000},"source":{"system":"sec-edgar","filing":"0001209191-20-018491","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1674416/000120919120018491/doc4.xml","form_type":"4"}},{"id":3220566,"issuer":{"id":3852,"kind":"organization","name":"CRISPR Therapeutics AG","symbol":"CRSP"},"owners":[{"id":89934,"kind":"person","name":"Ho Tony W","position":1,"cik":"0001713637","reported_name":"Ho Tony W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Executive VP, Head of R&D"}}],"security":"Common Shares","published_at":"2020-03-09T20:13:22.000Z","date":"2020-03-06","kind":"tax_withholding","acquired":false,"shares":1563,"price":52.64,"value":82276.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Amount reported represents the number of shares required to be sold by the reporting person to cover the tax withholding obligation in connection with the vesting of these restricted stock units. 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