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The remaining two thirds of the restricted stock units will vest and settle in equal annual installment thereafter, subject in each case to the Reporting Person's continued service through such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"One third of the restricted stock units vested and settled on January 30, 2026. The remaining two thirds of the restricted stock units will vest and settle in equal annual installment thereafter, subject in each case to the Reporting Person's continued service through such vesting date."}],"balance_after":22667,"derivative":{"underlying":"Common Stock","underlying_shares":11333},"source":{"system":"sec-edgar","filing":"0001910132-26-000002","document":"wk-form4_1770070750.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000191013226000002/wk-form4_1770070750.xml","form_type":"4"}},{"id":924825,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":28024,"kind":"person","name":"Quartel Adrian W","position":1,"cik":"0001910132","reported_name":"Quartel Adrian W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2026-02-02T22:19:13.000Z","date":"2026-01-29","kind":"grant","planned":true,"acquired":true,"shares":75000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"Grant to the Reporting Person of a stock option under the Issuer's Amended and Restated 2014 Equity Incentive Plan. 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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":9723,"source":{"system":"sec-edgar","filing":"0001910132-26-000002","document":"wk-form4_1770070750.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000191013226000002/wk-form4_1770070750.xml","form_type":"4"}},{"id":924822,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":28024,"kind":"person","name":"Quartel Adrian W","position":1,"cik":"0001910132","reported_name":"Quartel Adrian W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Medical Officer"}}],"security":"Common Stock","published_at":"2026-02-02T22:19:13.000Z","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":14256,"source":{"system":"sec-edgar","filing":"0001910132-26-000002","document":"wk-form4_1770070750.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000191013226000002/wk-form4_1770070750.xml","form_type":"4"}},{"id":1189671,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":28024,"kind":"person","name":"Quartel Adrian W","position":1,"cik":"0001910132","reported_name":"Quartel Adrian W","relationship":{"officer":true,"officer_title":"Chief Medical Officer"}}],"security":"Restricted Stock Unit","published_at":"2025-03-28T00:31:32.000Z","date":"2025-01-30","kind":"grant","planned":false,"acquired":true,"shares":34000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","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":"F3","text":"The restricted stock units will vest and settle as to one third of the restricted stock units on January 30, 2026, and the remaining two thirds of the restricted stock units will vest and settle in equal annual installment thereafter, subject in each case to the Reporting Person's continued service through such vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The restricted stock units will vest and settle as to one third of the restricted stock units on January 30, 2026, and the remaining two thirds of the restricted stock units will vest and settle in equal annual installment thereafter, subject in each case to the Reporting Person's continued service through such vesting date."}],"balance_after":34000,"derivative":{"underlying":"Common Stock","underlying_shares":34000},"source":{"system":"sec-edgar","filing":"0001437749-25-009677","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1434647/000143774925009677/rdgdoc.xml","form_type":"4"}},{"id":1189670,"issuer":{"id":5212,"kind":"organization","name":"ZEVRA THERAPEUTICS, INC.","symbol":"ZVRA"},"owners":[{"id":28024,"kind":"person","name":"Quartel Adrian W","position":1,"cik":"0001910132","reported_name":"Quartel Adrian W","relationship":{"officer":true,"officer_title":"Chief Medical Officer"}}],"security":"Stock Option (right to buy)","published_at":"2025-03-28T00:31:32.000Z","date":"2025-01-30","kind":"grant","planned":false,"acquired":true,"shares":68000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Grant to the Reporting Person of a stock option under the Issuer's Amended and Restated 2014 Equity Incentive Plan. 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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