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Insider selling
Chitung Liu sold $229M of United Microelectronics Corp (UMC) stock
Chitung Liu, CFO & SVP of United Microelectronics Corp (UMC), sold 1,600,000 shares of UMC stock worth $229M, per an SEC Form 4 filed Sep 17, 2026.
It was an open-market sale.
The trade happened on Sep 16, 2026, 1 day before it was made public.
UMC has moved +12.9% since the trade date, from $22.53 to $25.43 (Sep 21, 2026 close).
- Traded
- Sep 16, 2026
- Disclosed
- Sep 17, 2026
- Filing delay
- 1 day
- Price since
- +12.9%
- Role
- CFO & SVP
- Source
- SEC Form 4
More UMC insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.