{"transactions":[{"id":4618896,"issuer":{"id":5127,"kind":"organization","name":"Horizon Quantum Holdings Ltd.","symbol":"HQ"},"owners":[{"id":24907,"kind":"person","name":"Chew Qian Yi Amanda","position":1,"cik":"0002148016","reported_name":"Chew Qian Yi Amanda","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Product Officer"}}],"security":"Restricted Stock Unit","published_at":"2026-09-16T10:05:12.000Z","date":"2026-08-17","kind":"grant","planned":false,"acquired":true,"shares":17857,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one Class A ordinary share, with no par value (\"Class A Ordinary Share\"), of Horizon Quantum Holdings Ltd. (the \"Company\") upon vesting, for no consideration."},{"field":"shares","element":"transactionShares","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one Class A ordinary share, with no par value (\"Class A Ordinary Share\"), of Horizon Quantum Holdings Ltd. (the \"Company\") upon vesting, for no consideration."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one Class A ordinary share, with no par value (\"Class A Ordinary Share\"), of Horizon Quantum Holdings Ltd. (the \"Company\") upon vesting, for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit (\"RSU\") represents a contingent right to receive one Class A ordinary share, with no par value (\"Class A Ordinary Share\"), of Horizon Quantum Holdings Ltd. (the \"Company\") upon vesting, for no consideration."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"On August 17, 2026 (the \"Grant Date\"), Ms. Chew was granted a total of unvested 17,857 RSUs. The RSUs granted to Ms. Chew vest in sixteen approximately equal installments on successive quarterly anniversaries of the Grant Date and are subject to Ms. Chew's continued employment with the Company through each applicable vesting date."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F2","text":"On August 17, 2026 (the \"Grant Date\"), Ms. Chew was granted a total of unvested 17,857 RSUs. The RSUs granted to Ms. Chew vest in sixteen approximately equal installments on successive quarterly anniversaries of the Grant Date and are subject to Ms. Chew's continued employment with the Company through each applicable vesting date."}],"balance_after":17857,"derivative":{"exercise_price":0,"underlying":"Class A Ordinary Shares","underlying_shares":17857},"source":{"system":"sec-edgar","filing":"0001213900-26-100297","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2148016/000121390026100297/ownership.xml","form_type":"4"}}]}