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Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. The securities of the Issuer retained by the Reporting Person remain subject to the terms a lock-up agreement entered into with the underwriters for the Issuer's initial public offering, pursuant to which the Reporting Person agreed, subject to certain exceptions, not to directly or indirectly sell or otherwise transfer securities of the Issuer for a period of 180 days following the date of the final prospectus relating to the initial public offering, which was October 26, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $18.01 to $19.01, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full\ninformation regarding the number of shares sold at each separate price within the range set forth in this footnote."}],"balance_after":393811,"source":{"system":"sec-edgar","filing":"0002021198-26-000003","document":"form4-01312026_010139.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2021198/000202119826000003/form4-01312026_010139.xml","form_type":"4"}},{"id":1012703,"issuer":{"id":5316,"kind":"organization","name":"MapLight Therapeutics, Inc.","symbol":"MPLT"},"owners":[{"id":52093,"kind":"person","name":"Malenka Robert C.","position":1,"cik":"0002021198","reported_name":"Malenka Robert C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Series C Preferred Stock","published_at":"2025-10-28T20:15:11.000Z","date":"2025-10-28","kind":"exercise","planned":false,"acquired":false,"shares":65477,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"The Series C Preferred Stock automatically converted into voting common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-16.8 basis, and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The Series C Preferred Stock automatically converted into voting common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-16.8 basis, and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"The Series C Preferred Stock automatically converted into voting common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-16.8 basis, and had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the Robert C. Malenka Living Trust U/A DTD 08/21/2012, of which the Reporting Person is the sole trustee and has voting and dispositive power."}],"balance_after":0,"derivative":{"underlying":"Voting Common Stock","underlying_shares":3895},"source":{"system":"sec-edgar","filing":"0002021198-25-000006","document":"form4-10282025_041005.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/2021198/000202119825000006/form4-10282025_041005.xml","form_type":"4"}},{"id":1012702,"issuer":{"id":5316,"kind":"organization","name":"MapLight Therapeutics, Inc.","symbol":"MPLT"},"owners":[{"id":52093,"kind":"person","name":"Malenka Robert C.","position":1,"cik":"0002021198","reported_name":"Malenka Robert C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Employee Stock Option (right to buy)","published_at":"2025-10-28T20:15:11.000Z","date":"2025-10-27","kind":"grant","planned":false,"acquired":true,"shares":139610,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"1/4th of the total shares underlying the option shall vest on October 1, 2026, and 1/48th of the total shares shall vest each month thereafter on the same day of the month, subject to the Reporting Person's continued service through each vesting date."}],"balance_after":139610,"derivative":{"exercise_price":17,"expiration_date":"2035-10-26","underlying":"Voting Common Stock","underlying_shares":139610},"source":{"system":"sec-edgar","filing":"0002021198-25-000006","document":"form4-10282025_041005.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/2021198/000202119825000006/form4-10282025_041005.xml","form_type":"4"}},{"id":1012701,"issuer":{"id":5316,"kind":"organization","name":"MapLight Therapeutics, Inc.","symbol":"MPLT"},"owners":[{"id":52093,"kind":"person","name":"Malenka Robert C.","position":1,"cik":"0002021198","reported_name":"Malenka Robert C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Voting Common Stock","published_at":"2025-10-28T20:15:11.000Z","date":"2025-10-28","kind":"exercise","planned":false,"acquired":true,"shares":3895,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The Series C Preferred Stock automatically converted into voting common stock upon the closing of the Issuer's initial public offering for no additional consideration, on a 1-for-16.8 basis, and had no expiration date."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"The shares are held by the Robert C. Malenka Living Trust U/A DTD 08/21/2012, of which the Reporting Person is the sole trustee and has voting and dispositive power."}],"balance_after":31672,"source":{"system":"sec-edgar","filing":"0002021198-25-000006","document":"form4-10282025_041005.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/2021198/000202119825000006/form4-10282025_041005.xml","form_type":"4"}},{"id":1012700,"issuer":{"id":5316,"kind":"organization","name":"MapLight Therapeutics, Inc.","symbol":"MPLT"},"owners":[{"id":52093,"kind":"person","name":"Malenka Robert C.","position":1,"cik":"0002021198","reported_name":"Malenka Robert C.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Voting Common Stock","published_at":"2025-10-28T20:15:11.000Z","date":"2025-10-27","kind":"grant","planned":false,"acquired":true,"shares":34390,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents a restricted stock unit (\"RSU\") award. 25% of the RSUs shall vest on October 1, 2026, and 1/16th of the RSUs shall vest on each subsequent January 1, April 1, July 1 and October 1 thereafter, subject to the Reporting Person's continued service through each vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU represents a contingent right to receive one share of voting common stock of the Issuer."}],"balance_after":399671,"source":{"system":"sec-edgar","filing":"0002021198-25-000006","document":"form4-10282025_041005.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2021198/000202119825000006/form4-10282025_041005.xml","form_type":"4"}}]}