Liu Chitung
CFO & SVP
Liu Chitung has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Sep 17, 2026.
On the most recent filing, Liu Chitung is listed as CFO & SVP at UNITED MICROELECTRONICS CORP. Inside the rolling window, Liu Chitung reported no open-market purchases and 3 open-market sales totaling $523.1M in UMC. The largest disclosed transaction in the window is a sale of 1,900,000 UMC shares on Jul 13, 2026, worth $294.3M.
Companies traded
Other insiders at UMC
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$523.1M
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Liu Chitung made?
Liu Chitung has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company since 2026.
Which companies does Liu Chitung trade?
Liu Chitung has filed SEC Form 4 disclosures for 1 company, including UMC.
When was Liu Chitung's most recent SEC Form 4 filing?
Liu Chitung's most recent SEC Form 4 filing on Tracefour is dated Sep 17, 2026.
What is Liu Chitung's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Liu Chitung is listed as CFO & SVP.
What is Liu Chitung's total buy and sell value in the current window?
Inside the rolling retention window, Liu Chitung bought $0 and sold $523.1M based on SEC Form 4 filings.
What was Liu Chitung's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,900,000 UMC shares on 2026-07-13, worth $294.3M, per SEC Form 4 filings.