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The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer or any security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":37569,"source":{"system":"sec-edgar","filing":"0001434647-26-000073","document":"wk-form4_1786998758.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143464726000073/wk-form4_1786998758.xml","form_type":"4"}},{"id":729028,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal & Compliance"}}],"security":"Restricted Stock Unit","published_at":"2026-06-23T20:16:29.000Z","date":"2026-06-21","kind":"exercise","planned":true,"acquired":false,"shares":66667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The first and second tranches of the restricted stock units vested and settled on June 21, 2025 and June 21, 2026, respectively, and the remaining tranche of the restricted stock units will vest and settle on the next anniversary thereafter, subject to the Reporting person's continued service through such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The first and second tranches of the restricted stock units vested and settled on June 21, 2025 and June 21, 2026, respectively, and the remaining tranche of the restricted stock units will vest and settle on the next anniversary thereafter, subject to the Reporting person's continued service through such vesting date."}],"balance_after":66667,"derivative":{"underlying":"Common Stock","underlying_shares":66667},"source":{"system":"sec-edgar","filing":"0001434647-26-000057","document":"wk-form4_1782245786.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143464726000057/wk-form4_1782245786.xml","form_type":"4"}},{"id":729027,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal & Compliance"}}],"security":"Common Stock","published_at":"2026-06-23T20:16:29.000Z","date":"2026-06-22","kind":"sale","planned":true,"acquired":false,"shares":34557,"price":12.6835,"value":438303.7095,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"Adoption date of referenced 10b5-1(c) plan is: 01-08-2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $12.53 to $13.19. The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer or any security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":80235,"source":{"system":"sec-edgar","filing":"0001434647-26-000057","document":"wk-form4_1782245786.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143464726000057/wk-form4_1782245786.xml","form_type":"4"}},{"id":729026,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal & Compliance"}}],"security":"Common Stock","published_at":"2026-06-23T20:16:29.000Z","date":"2026-06-21","kind":"exercise","planned":true,"acquired":true,"shares":66667,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":114792,"source":{"system":"sec-edgar","filing":"0001434647-26-000057","document":"wk-form4_1782245786.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143464726000057/wk-form4_1782245786.xml","form_type":"4"}},{"id":780709,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal & Compliance"}}],"security":"Common Stock","published_at":"2026-05-13T20:32:07.000Z","date":"2026-05-11","kind":"sale","planned":true,"acquired":false,"shares":1794,"price":11.3,"value":20272.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 01-08-2026"}],"balance_after":48125,"source":{"system":"sec-edgar","filing":"0001434647-26-000034","document":"wk-form4_1778704324.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143464726000034/wk-form4_1778704324.xml","form_type":"4"}},{"id":924831,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":true,"officer_title":"Chief Legal & Compliance","other_text":"Secretary"}}],"security":"Restricted Stock Unit","published_at":"2026-02-02T22:19:45.000Z","date":"2026-01-30","kind":"exercise","planned":true,"acquired":false,"shares":11333,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"One third of the restricted stock units vested and settled on January 30, 2026. 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The price reported reflects the weighted average sale price. The Reporting Person undertakes to provide upon request to the SEC staff, the Issuer or any security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":49919,"source":{"system":"sec-edgar","filing":"0001788524-26-000002","document":"wk-form4_1770070782.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000178852426000002/wk-form4_1770070782.xml","form_type":"4"}},{"id":924827,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":true,"officer_title":"Chief Legal & Compliance","other_text":"Secretary"}}],"security":"Common Stock","published_at":"2026-02-02T22:19:45.000Z","date":"2026-01-30","kind":"exercise","planned":true,"acquired":true,"shares":11333,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock."}],"balance_after":53999,"source":{"system":"sec-edgar","filing":"0001788524-26-000002","document":"wk-form4_1770070782.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000178852426000002/wk-form4_1770070782.xml","form_type":"4"}},{"id":1099202,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"officer":true,"other":true,"officer_title":"Chief Legal & Compliance","other_text":"Secretary"}}],"security":"Common Stock","published_at":"2025-06-30T21:02:34.000Z","date":"2025-06-26","kind":"sale","planned":true,"acquired":false,"shares":24000,"price":9.2085,"value":221004.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Adoption date of referenced 10b5-1(c) plan is: 03-27-2025"},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.11 to $9.30, 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 purchased at each separate price within the range set forth in this footnote."}],"balance_after":42666,"source":{"system":"sec-edgar","filing":"0001437749-25-021577","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143774925021577/rdgdoc.xml","form_type":"4"}},{"id":1102583,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"officer":true,"other":true,"officer_title":"Chief Legal & Compliance","other_text":"Secretary"}}],"security":"Restricted Stock 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The option will vest and become exercisable in four equal annual installments beginning on the first anniversary of the grant date, subject to the Reporting Person's continued service on such vesting date. All shares underlying the option will vest in full and become immediately exercisable upon a change of control of the Issuer or if the Reporting Person is terminated without cause or resigns for good reason. 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All shares will vest in full and become immediately exercisable upon a change of control of the Issuer or if the Reporting Person is terminated without cause or resigns for good reason."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Grant to the Reporting Person of restricted stock units (\"RSU\") under the Issuer's 2023 Employment Inducement Award Plan (the \"Plan\"). 33 1/3% of the shares will vest on June 21, 2025 and the remainder vesting in two equal annual installments thereafter, provided that at the relevant vesting dates such optionee's employment relationship has not been terminated as defined in the Plan. All shares will vest in full and become immediately exercisable upon a change of control of the Issuer or if the Reporting Person is terminated without cause or resigns for good reason."}],"balance_after":200000,"derivative":{"exercise_price":0,"underlying":"Common Stock","underlying_shares":200000},"source":{"system":"sec-edgar","filing":"0001437749-24-021191","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143774924021191/rdgdoc.xml","form_type":"4"}},{"id":1987339,"issuer":{"id":5757,"kind":"organization","name":"Lyell Immunopharma, Inc.","symbol":"LYEL"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Legal Officer"}}],"security":"Option (right to 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shares initially subject to the option will vest on each monthly anniversary measured from January 31, 2022 (the \"Vesting Commencement Date\"), so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":115440,"derivative":{"exercise_price":5.46,"expiration_date":"2032-01-30","underlying":"Common Stock","underlying_shares":115440},"source":{"system":"sec-edgar","filing":"0001567619-22-008723","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1656634/000156761922008723/doc1.xml","form_type":"4"}},{"id":2293436,"issuer":{"id":80946,"kind":"organization","name":"Gritstone bio, Inc.","symbol":"GRTS"},"owners":[{"id":22850,"kind":"person","name":"Thompson 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Each RSU represents a contingent right to receive one share of common stock of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 13,958 shares of common stock purchased under the Issuer's Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c) and 31,990 RSUs which vest over time measured from the grant date."}],"balance_after":58698,"source":{"system":"sec-edgar","filing":"0001567619-22-008723","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656634/000156761922008723/doc1.xml","form_type":"4"}},{"id":2502176,"issuer":{"id":80946,"kind":"organization","name":"Gritstone bio, Inc.","symbol":"GRTS"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Common Stock","published_at":"2021-11-19T17:37:33.000Z","date":"2021-01-07","kind":"grant","acquired":true,"shares":25500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") which vest in two equal annual installments over a two year period measured from the grant date. Each RSU represents a contingent right to receive one share of Common Stock of the Issuer."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 3,987 shares of common stock purchased under the Issuer's Employee Stock Purchase Plan in a transaction exempt from Section 16(b) pursuant to Rule 16b-3(c) and 25,500 RSUs which vest over time measured from the grant date."}],"balance_after":29487,"source":{"system":"sec-edgar","filing":"0001567619-21-020875","document":"doc1.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656634/000156761921020875/doc1.xml","form_type":"4"}},{"id":2796162,"issuer":{"id":80946,"kind":"organization","name":"Gritstone bio, Inc.","symbol":"GRTS"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Option (Right to Buy)","published_at":"2021-03-10T17:10:57.000Z","date":"2021-03-08","kind":"grant","acquired":true,"shares":60000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"One forty-eighth (1/48th) of the shares initially subject to the option will vest on each monthly anniversary measured from March 8, 2021 (the \"Vesting Commencement Date\"), so that 100% of the shares subject to the option will be fully vested and exercisable as of the fourth anniversary of the Vesting Commencement Date, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":60000,"derivative":{"exercise_price":13.87,"exercise_date":"2021-04-08","expiration_date":"2031-03-07","underlying":"Common Stock","underlying_shares":60000},"source":{"system":"sec-edgar","filing":"0001567619-21-005998","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656634/000156761921005998/doc1.xml","form_type":"4"}},{"id":3146771,"issuer":{"id":80946,"kind":"organization","name":"Gritstone bio, Inc.","symbol":"GRTS"},"owners":[{"id":22850,"kind":"person","name":"Thompson Rahsaan","position":1,"cik":"0001788524","reported_name":"Thompson Rahsaan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP and General Counsel"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-05-15T17:07:15.000Z","date":"2020-05-13","kind":"grant","acquired":true,"shares":85000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The stock option vests and becomes exercisable with respect to 25% of the total number of shares on April 6, 2021. The remaining shares vest and become exercisable in equal monthly installments over the following 36 months."}],"balance_after":85000,"derivative":{"exercise_price":6.4,"expiration_date":"2030-05-12","underlying":"Common Stock","underlying_shares":85000},"source":{"system":"sec-edgar","filing":"0001567619-20-010601","document":"doc1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1656634/000156761920010601/doc1.xml","form_type":"4"}}]}