{"transactions":[{"id":759986,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-05-28T20:12:51.000Z","date":"2026-05-27","kind":"purchase","planned":false,"acquired":true,"shares":100000,"price":0.4963,"value":49630.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $0.4907 to $0.50 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned directly by Schimmel Revocable Trust U/A Dtd 9/6/2000. The Reporting Person and his spouse are trustees of the Schimmel Revocable Trust U/A Dtd 9/6/2000."}],"balance_after":779143,"source":{"system":"sec-edgar","filing":"0001236447-26-000006","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000123644726000006/ownership.xml","form_type":"4"}},{"id":780628,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2026-05-13T20:08:17.000Z","date":"2026-05-11","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option, granted pursuant to the Issuer's non-employee director compensation policy, vests in full on the earlier of (i) May 11, 2027 or (ii) the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service on the Board of Directors."}],"balance_after":50000,"derivative":{"exercise_price":0.95,"expiration_date":"2036-05-11","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001236447-26-000003","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000123644726000003/ownership.xml","form_type":"4"}},{"id":1020764,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-09T22:30:21.000Z","date":"2025-10-09","kind":"purchase","planned":false,"acquired":true,"shares":317999,"price":0.9414,"value":299364.2586,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $0.93 to $0.95 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned directly by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel."}],"balance_after":1413023,"source":{"system":"sec-edgar","filing":"0001193125-25-236131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000119312525236131/ownership.xml","form_type":"4"}},{"id":1020763,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-10-09T22:30:21.000Z","date":"2025-10-08","kind":"purchase","planned":false,"acquired":true,"shares":682001,"price":0.898,"value":612436.898,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $0.8536 to $0.95 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned directly by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel."}],"balance_after":1095024,"source":{"system":"sec-edgar","filing":"0001193125-25-236131","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000119312525236131/ownership.xml","form_type":"4"}},{"id":1160927,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to buy)","published_at":"2025-05-02T21:23:44.000Z","date":"2025-05-01","kind":"grant","planned":false,"acquired":true,"shares":50000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option, granted pursuant to the Issuer's non-employee director compensation policy, vests in full on the earlier of (i) May 1, 2026 or (ii) the Issuer's 2026 Annual Meeting of Stockholders, subject to the Reporting Person's continued service on the Board of Directors."}],"balance_after":50000,"derivative":{"exercise_price":3.34,"expiration_date":"2035-05-01","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000950170-25-062945","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000095017025062945/ownership.xml","form_type":"4"}},{"id":1449276,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-24T21:29:51.000Z","date":"2024-07-24","kind":"purchase","planned":false,"acquired":true,"shares":52300,"price":1.9319,"value":101038.37,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $1.88 to $1.96 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel."}],"balance_after":413023,"source":{"system":"sec-edgar","filing":"0000950170-24-086159","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000095017024086159/ownership.xml","form_type":"4"}},{"id":1449275,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-24T21:29:51.000Z","date":"2024-07-23","kind":"purchase","planned":false,"acquired":true,"shares":6648,"price":1.8163,"value":12074.7624,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $1.775 to $1.86 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel."}],"balance_after":360723,"source":{"system":"sec-edgar","filing":"0000950170-24-086159","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000095017024086159/ownership.xml","form_type":"4"}},{"id":1449274,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2024-07-24T21:29:51.000Z","date":"2024-07-22","kind":"purchase","planned":false,"acquired":true,"shares":41052,"price":1.7417,"value":71500.2684,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Represents weighted average price for the shares. The shares were purchased at prices ranging from $1.71 to $1.78 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. 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The shares were purchased ranging from $2.245 to $2.25 per share under the issuer's \"at-the-market\" offering program implemented pursuant to the issuer's Open Market Sale Agreement with Jefferies LLC. 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned directly by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. 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Meeting of Stockholders, subject to the Reporting Person's continued service on the Board of Directors."}],"balance_after":6000,"derivative":{"underlying":"Common Stock","underlying_shares":6000},"source":{"system":"sec-edgar","filing":"0001209191-22-026094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1236447/000120919122026094/doc4.xml","form_type":"4"}},{"id":2561819,"issuer":{"id":7233,"kind":"organization","name":"aTYR PHARMA INC"},"owners":[{"id":43474,"kind":"person","name":"SCHIMMEL PAUL","position":1,"cik":"0001236447","reported_name":"SCHIMMEL PAUL","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2021-09-23T00:19:41.000Z","date":"2021-09-20","kind":"gift","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See 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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 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":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"These shares are owned directly by Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel. The Reporting Person is the sole owner of the Paul Schimmel Prototype PSP, Paul Schimmel Trustee, FBO Paul Schimmel, which was incorrectly reported as Paul R. 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