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As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2015 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2015 Warrant held by the Reporting Person were amended."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"On September 25, 2017, the Issuer completed the initial closing of a tender offer in which the Issuer offered to amend the terms of the outstanding warrants the Issuer issued to investors participating in private placement financings the Issuer completed on August 29, 2014 (the \"2014 Warrants\"), on November 23, 2015 (the \"2015 Warrants\") and on January 23, 2017 (the \"2017 Warrants\").  As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2015 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2015 Warrant held by the Reporting Person were amended."}],"balance_after":0,"derivative":{"exercise_price":0.45,"exercise_date":"2015-11-23","expiration_date":"2020-11-23","underlying":"Common Stock","underlying_shares":166666},"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4201122,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant","published_at":"2017-09-27T22:13:25.000Z","date":"2017-09-25","kind":"exercise","acquired":false,"shares":320000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"In accordance with the terms of the Issuer's tender offer, the Reporting Person exercised his 2014 Warrant in full and in cash on September 25, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In accordance with the terms of the Issuer's tender offer, the Reporting Person exercised his 2014 Warrant in full and in cash on September 25, 2017."}],"balance_after":0,"derivative":{"exercise_price":0.6,"exercise_date":"2014-08-29","expiration_date":"2017-09-25","underlying":"Common Stock","underlying_shares":320000},"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4201121,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant","published_at":"2017-09-27T22:13:25.000Z","date":"2017-09-25","kind":"grant","acquired":true,"shares":320000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 25, 2017, the Issuer completed the initial closing of a tender offer in which the Issuer offered to amend the terms of the outstanding warrants the Issuer issued to investors participating in private placement financings the Issuer completed on August 29, 2014 (the \"2014 Warrants\"), on November 23, 2015 (the \"2015 Warrants\") and on January 23, 2017 (the \"2017 Warrants\").  As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2014 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2014 Warrant held by the Reporting Person were amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 25, 2017, the Issuer completed the initial closing of a tender offer in which the Issuer offered to amend the terms of the outstanding warrants the Issuer issued to investors participating in private placement financings the Issuer completed on August 29, 2014 (the \"2014 Warrants\"), on November 23, 2015 (the \"2015 Warrants\") and on January 23, 2017 (the \"2017 Warrants\").  As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2014 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2014 Warrant held by the Reporting Person were amended."}],"balance_after":320000,"derivative":{"exercise_price":0.6,"exercise_date":"2014-08-29","expiration_date":"2017-09-25","underlying":"Common Stock","underlying_shares":320000},"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4201120,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Warrant","published_at":"2017-09-27T22:13:25.000Z","date":"2017-09-25","kind":"disposition_to_issuer","acquired":false,"shares":320000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 25, 2017, the Issuer completed the initial closing of a tender offer in which the Issuer offered to amend the terms of the outstanding warrants the Issuer issued to investors participating in private placement financings the Issuer completed on August 29, 2014 (the \"2014 Warrants\"), on November 23, 2015 (the \"2015 Warrants\") and on January 23, 2017 (the \"2017 Warrants\").  As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2014 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2014 Warrant held by the Reporting Person were amended."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 25, 2017, the Issuer completed the initial closing of a tender offer in which the Issuer offered to amend the terms of the outstanding warrants the Issuer issued to investors participating in private placement financings the Issuer completed on August 29, 2014 (the \"2014 Warrants\"), on November 23, 2015 (the \"2015 Warrants\") and on January 23, 2017 (the \"2017 Warrants\").  As part of the tender offer and in order to raise funds to support its continued operations, the Issuer offered to reduce the respective exercise prices of the 2014, 2015 and 2017 Warrants if the holders agreed to exercise their Warrants in cash by September 25, 2017.  The Reporting Person holds a 2014 Warrant and elected to participate in the Issuer's tender offer.  As a result, the exercise price and the expiration date, among other terms, of the 2014 Warrant held by the Reporting Person were amended."}],"balance_after":0,"derivative":{"exercise_price":0.75,"exercise_date":"2014-08-29","expiration_date":"2019-08-29","underlying":"Common Stock","underlying_shares":320000},"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4201119,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-09-27T22:13:25.000Z","date":"2017-09-25","kind":"exercise","acquired":true,"shares":166666,"price":0.4,"value":66666.4,"ownership":{"direct":false,"nature":"By Wife"},"balance_after":717665,"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4201118,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-09-27T22:13:25.000Z","date":"2017-09-25","kind":"exercise","acquired":true,"shares":320000,"price":0.6,"value":192000.0,"ownership":{"direct":true},"balance_after":4154452,"source":{"system":"sec-edgar","filing":"0001209191-17-054169","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117054169/doc4.xml","form_type":"4"}},{"id":4272836,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-06-26T20:55:33.000Z","date":"2017-06-22","kind":"grant","acquired":true,"shares":200000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The option shares shall vest and become exercisable as follows: (i) 50% of the option will vest on the earlier of the date of the Issuer's annual meeting of stockholders held in 2018 or January 15, 2018 and (ii) 50% of the options will vest on the earlier of the date of the Issuer's annual meeting of stockholders held in 2019 or January 15, 2019."}],"balance_after":200000,"derivative":{"exercise_price":1.19,"expiration_date":"2027-06-22","underlying":"Common Stock","underlying_shares":200000},"source":{"system":"sec-edgar","filing":"0001209191-17-041852","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117041852/doc4.xml","form_type":"4"}},{"id":4272835,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-06-26T20:55:33.000Z","date":"2017-06-22","kind":"grant","acquired":true,"shares":150000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the issuance of restricted stock units (the \"RSUs\").  The RSUs vest as follows: (i) 50% of the RSUs will vest on the earlier of the date of the Issuer's annual meeting of stockholders held in 2018 or January 15, 2018 and (ii) 50% of the RSUs will vest on the earlier of the date of the Issuer's annual meeting of stockholders held in 2019 or January 15, 2019.  Vested shares will be delivered to the Reporting Person on the earlier of (i) the ten-year anniversary of the Grant Date; (ii) sixty days after the date the Grantee's Service ceases for any reason and such cessation constitutes a \"separation from service\" within the meaning of Section 409A of the Code; (iii) the date of Grantee's death or (iv) the date of a Change in Control that constitutes a \"change in control event\" within the meaning of Section 409A of the Code."}],"balance_after":3834452,"source":{"system":"sec-edgar","filing":"0001209191-17-041852","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117041852/doc4.xml","form_type":"4"}},{"id":4405894,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2017-03-03T23:25:11.000Z","date":"2017-03-01","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The option shares shall vest and become exercisable in four equal installments on April 30, 2017, July 31, 2017, October 31, 2017 and January 31, 2018."}],"balance_after":100000,"derivative":{"exercise_price":0.88,"expiration_date":"2022-03-01","underlying":"Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001209191-17-017984","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919117017984/doc4.xml","form_type":"4"}},{"id":4513593,"issuer":{"id":7969,"kind":"organization","name":"PURE BIOSCIENCE, INC."},"owners":[{"id":88092,"kind":"person","name":"Lee Tom Y","position":1,"cik":"0001623609","reported_name":"Lee Tom Y","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2016-12-22T23:18:30.000Z","date":"2016-12-21","kind":"sale","acquired":false,"shares":14885,"price":0.95,"value":14140.75,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F1","text":"Reflects the cancellation of 200,000 Restricted Stock Units pursuant to the RSU Cancellation Agreement between the Issuer and the Reporting Person, dated December 13, 2016."}],"balance_after":3684452,"source":{"system":"sec-edgar","filing":"0001209191-16-156591","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1006028/000120919116156591/doc4.xml","form_type":"4"}}]}