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option shall vest and become exercisable on the earlier of (i) May 3, 2020 or (ii) the date of the Issuer's 2020 Annual Meeting of Stockholders, subject to the recipient's continued service on the Issuer's Board of Directors."}],"balance_after":16000,"derivative":{"exercise_price":17.15,"expiration_date":"2029-05-03","underlying":"Common Stock","underlying_shares":16000},"source":{"system":"sec-edgar","filing":"0001209191-19-027950","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434316/000120919119027950/doc4.xml","form_type":"4"}},{"id":3718830,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common 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The shares were purchased at price ranging from $0.4048 to $0.4300 per share. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":615382,"source":{"system":"sec-edgar","filing":"0001209191-18-064090","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919118064090/doc4.xml","form_type":"4"}},{"id":3718829,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2018-12-26T16:15:49.000Z","date":"2018-12-20","kind":"purchase","acquired":true,"shares":50000,"price":0.4129,"value":20645.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents weighted average price for the shares. The shares were purchased at price ranging from $0.4013 to $0.4100 per share. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price."}],"balance_after":420382,"source":{"system":"sec-edgar","filing":"0001209191-18-064090","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919118064090/doc4.xml","form_type":"4"}},{"id":3927689,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to 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Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $2.65 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.375 shares of the Company's Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares acquired in a private placement pursuant to a Securities Purchase Agreement dated August 27, 2017 by and among the Company and a select group of institutional and accredited investors named therein (the \"Securities Purchase Agreement\"). Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $2.65 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.375 shares of the Company's Common Stock."}],"balance_after":14151,"derivative":{"exercise_price":4.64,"exercise_date":"2017-08-31","expiration_date":"2019-12-31","underlying":"Common Stock","underlying_shares":14151},"source":{"system":"sec-edgar","filing":"0001209191-17-051470","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117051470/doc4.xml","form_type":"4"}},{"id":4217681,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO and Director"}}],"security":"Common Stock","published_at":"2017-09-05T19:41:38.000Z","date":"2017-08-31","kind":"purchase","acquired":true,"shares":37736,"price":2.65,"value":100000.4,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares acquired in a private placement pursuant to a Securities Purchase Agreement dated August 27, 2017 by and among the Company and a select group of institutional and accredited investors named therein (the \"Securities Purchase Agreement\"). Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $2.65 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.375 shares of the Company's Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents shares acquired in a private placement pursuant to a Securities Purchase Agreement dated August 27, 2017 by and among the Company and a select group of institutional and accredited investors named therein (the \"Securities Purchase Agreement\"). Pursuant to the terms of the Securities Purchase Agreement, investors purchased common stock units for $2.65 per common stock unit. Each common stock unit consisted of one share of the Company's Common Stock and a warrant to purchase 0.375 shares of the Company's Common Stock."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,500 shares acquired under the Company's 2015 Employee Stock Purchase Plan (ESPP) on May 15, 2017."}],"balance_after":367883,"source":{"system":"sec-edgar","filing":"0001209191-17-051470","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117051470/doc4.xml","form_type":"4"}},{"id":4277254,"issuer":{"id":5502,"kind":"organization","name":"Editas Medicine, Inc.","symbol":"EDIT"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to 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reporting person on December 21, 2016."}],"balance_after":327647,"source":{"system":"sec-edgar","filing":"0001209191-17-028224","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117028224/doc4.xml","form_type":"4"}},{"id":4348548,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO and Director"}}],"security":"Common Stock","published_at":"2017-04-20T19:04:02.000Z","date":"2017-04-20","kind":"purchase","acquired":true,"shares":1552,"price":3,"value":4656.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 21, 2016."}],"balance_after":327523,"source":{"system":"sec-edgar","filing":"0001209191-17-027776","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117027776/doc4.xml","form_type":"4"}},{"id":4348547,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO and Director"}}],"security":"Common Stock","published_at":"2017-04-20T19:04:02.000Z","date":"2017-04-18","kind":"purchase","acquired":true,"shares":1000,"price":3,"value":3000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 Plan adopted by the reporting person on December 21, 2016."}],"balance_after":325971,"source":{"system":"sec-edgar","filing":"0001209191-17-027776","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117027776/doc4.xml","form_type":"4"}},{"id":4459370,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO and Director"}}],"security":"Employee Stock Option  (right to 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This option is subject to accelerated vesting upon termination without cause upon change of control of the issuer."}],"balance_after":185000,"derivative":{"exercise_price":3.3,"expiration_date":"2027-03-07","underlying":"Common Stock","underlying_shares":185000},"source":{"system":"sec-edgar","filing":"0001209191-17-009086","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919117009086/doc4.xml","form_type":"4"}},{"id":4514074,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":79073,"kind":"person","name":"MENDLEIN JOHN","position":1,"cik":"0001238362","reported_name":"MENDLEIN JOHN","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"CEO and Director"}}],"security":"Common Stock","published_at":"2016-12-21T11:54:58.000Z","date":"2016-12-19","kind":"purchase","acquired":true,"shares":69000,"price":2.198,"value":151662.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents the weighted average price for the shares. The shares were purchased at prices ranging from $2.125 to $2.25 per share. The reporting person will provide to the Securities and Exchange Commission staff, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares purchased at each separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 2,500 shares acquired under the Company's 2015 Employee Stock Purchase Plan (\"ESPP\") on May 15, 2016 and 2,500 shares acquired under the ESPP on November 15, 2016."}],"balance_after":324971,"source":{"system":"sec-edgar","filing":"0001209191-16-156269","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1238362/000120919116156269/doc4.xml","form_type":"4"}}]}