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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 1, 2 and 3 to this Form 4."}],"balance_after":7500,"source":{"system":"sec-edgar","filing":"0001209191-18-060179","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1686952/000120919118060179/doc4.xml","form_type":"4"}},{"id":3818657,"issuer":{"id":2423,"kind":"organization","name":"RIGEL PHARMACEUTICALS INC","symbol":"RIGL"},"owners":[{"id":115303,"kind":"person","name":"Mayer Eldon C. III","position":1,"cik":"0001686952","reported_name":"Mayer Eldon C. 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Upon request, the reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the Securities and Exchange Commission, full information regarding the shares purchased at each separate price."}],"balance_after":165000,"source":{"system":"sec-edgar","filing":"0001179110-18-011343","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034842/000117911018011343/edgar.xml","form_type":"4"}},{"id":3832999,"issuer":{"id":2423,"kind":"organization","name":"RIGEL PHARMACEUTICALS INC","symbol":"RIGL"},"owners":[{"id":115303,"kind":"person","name":"Mayer Eldon C. III","position":1,"cik":"0001686952","reported_name":"Mayer Eldon C. 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These shares were purchased in multiple transactions ranging from $2.78 to $2.86 Upon request, the reporting person undertakes to provide the Issuer, any security holder of the issuer, or the Securities and Exchange Commission, full information regarding the shares purchased at each such separate price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 15,000 shares that were purchased by the Reporting Person  under the Issuer's Employee Stock Purchase Plan, in increments of 5,000 shares, on June 30, 2017, December 29, 2017 and June 29, 2018."}],"balance_after":115000,"source":{"system":"sec-edgar","filing":"0001179110-18-010936","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034842/000117911018010936/edgar.xml","form_type":"4"}},{"id":3937329,"issuer":{"id":2423,"kind":"organization","name":"RIGEL PHARMACEUTICALS INC","symbol":"RIGL"},"owners":[{"id":115303,"kind":"person","name":"Mayer Eldon C. 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On May 9, 2018, the Compensation Committee determined that the performance conditions had been achieved, resulting in full vesting of the option."}],"balance_after":50000,"derivative":{"exercise_price":2.11,"expiration_date":"2027-02-02","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0001179110-18-006680","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1034842/000117911018006680/edgar.xml","form_type":"4"}},{"id":3992713,"issuer":{"id":16554,"kind":"organization","name":"Eiger BioPharmaceuticals, Inc.","symbol":"EIGR"},"owners":[{"id":115303,"kind":"person","name":"Mayer Eldon C. III","position":1,"cik":"0001686952","reported_name":"Mayer Eldon C. 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