{"data":{"ticker":"UMC","transactions":[{"insiderName":"LIN JEN-TSUNG","insiderTitle":"Vice President","txDate":"2026-09-22","txCode":"S","isOpenMarket":true,"shares":"10000.0000","pricePerShare":"163.0000","valueUsd":"1630000.0000","sharesOwnedAfter":"1172140.0000","priceNote":null},{"insiderName":"Liu Chitung","insiderTitle":"CFO & SVP","txDate":"2026-09-17","txCode":"S","isOpenMarket":true,"shares":"400000.0000","pricePerShare":"145.0000","valueUsd":"58000000.0000","sharesOwnedAfter":"2639757.0000","priceNote":null},{"insiderName":"Liu Chitung","insiderTitle":"CFO & SVP","txDate":"2026-09-16","txCode":"S","isOpenMarket":true,"shares":"1200000.0000","pricePerShare":"142.3330","valueUsd":"170799600.0000","sharesOwnedAfter":"3039757.0000","priceNote":null},{"insiderName":"Liu Chitung","insiderTitle":"CFO & SVP","txDate":"2026-09-07","txCode":"J","isOpenMarket":false,"shares":"1000000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"4322917.0000","priceNote":null},{"insiderName":"Liu Chitung","insiderTitle":"CFO & SVP","txDate":"2026-09-07","txCode":"J","isOpenMarket":false,"shares":"1000000.0000","pricePerShare":"0.0000","valueUsd":"0.0000","sharesOwnedAfter":"1000000.0000","priceNote":null},{"insiderName":"Liu Chitung","insiderTitle":"CFO & SVP","txDate":"2026-07-13","txCode":"S","isOpenMarket":true,"shares":"1900000.0000","pricePerShare":"154.8900","valueUsd":"294291000.0000","sharesOwnedAfter":"3322917.0000","priceNote":null},{"insiderName":"HU CHE-JEN","insiderTitle":"Vice President","txDate":"2026-06-30","txCode":"S","isOpenMarket":true,"shares":"10000.0000","pricePerShare":"171.3000","valueUsd":"1713000.0000","sharesOwnedAfter":"3214080.0000","priceNote":null}]},"updatedAt":"2026-10-13T03:02:57.660Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data","meta":{"source":"SEC","sourceAttribution":"Insider trade data: SEC.","notice":"10 requests a minute without a key, 30 with a free key. Get a free key at https://xoomar.com/signup?utm_source=api, register your app at https://xoomar.com/developers/register?utm_source=api, and credit the data as \"Data: XOOMAR\" together with the sourceAttribution line."}}