Liu Chitung sold UMC
September 17, 2026 · Form 4 insider transaction
Liu Chitung sold 400,000 shares of United Microelectronics Corporation at $145.00 per share, a transaction worth $58.00M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Disposed (sell-side)
Shares
400,000
Price
$145.00
Total value
$58.00M
InsiderLiu Chitung
RoleOfficer
SecurityCommon Shares
Transaction codeS: Open-market sale
Transaction dateSeptember 17, 2026
Filing dateSeptember 17, 2026
Shares owned after2,639,757
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
New Taiwan Dollars; Includes 1,126,840 shares of Restricted Stock Award (RSA) and a specified number of shares subject to the RSA will vest annually on December 5 from 2026 to 2029.