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Insider Trading

Last Updated: 2 days, 5 hours ago

Chitung Liu has an estimated net worth of at least $364.8 million*, as of July 22, 2026. They own 3.3 million shares of UMC stock. They have sold 1.9 million shares of UMC stock since 2021, for an estimated $294.3 million.

Chitung Liu $UMC SEC Form 4 Insider Trading

Chitung Liu has filed a total of 1 insider trades in $UMC since 2021. Their most recent trade was a sale of 1.9 million shares, made on Jul 13, 2026. Their largest trade was a sale of 1.9 million shares, made on Jul 13, 2026. We estimate that they now own 3.3 million shares of $UMC, worth an estimated $70.5 million.



Insider Trading at $UMC

There have been a total of 2 insider trades reported at $UMC since 2021, with 0 shares purchased and 1.9 million shares sold. The most active insider traders in $UMC stock have been Che-Jen Hu, Chitung Liu, and . The most recent trade was a sale of 1.9 million shares reported by Chitung Liu (CFO & SVP), made on Jul 13, 2026.



History of Insider Stock Trades by Chitung Liu

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
UMC logo UMC Sale 1.9 million Jul 13, 2026 July 13, 2026, 6:04 a.m.




$UMC Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.