{"transactions":[{"id":761475,"issuer":{"id":1193,"kind":"organization","name":"Ultra Clean Holdings, Inc.","symbol":"UCTT"},"owners":[{"id":43778,"kind":"person","name":"Wunar Robert Anthony","position":1,"cik":"0002122527","reported_name":"Wunar Robert Anthony","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Common Stock","published_at":"2026-05-28T01:47:31.000Z","date":"2026-05-22","kind":"grant","planned":false,"acquired":true,"shares":10732,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of May 22, 2026."}],"balance_after":10732,"source":{"system":"sec-edgar","filing":"0000950103-26-007855","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1275014/000095010326007855/ownership.xml","form_type":"4"}}]}