Jen-Tsung Lin Insider Trades & Stock Holdings

Vice President · United Microelectronics Corporation · Latest filing Sep 22, 2026

Jen-Tsung Lin, Vice President at United Microelectronics Corporation has 1 Form 4 trade on file since Sep 22, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($1.63M), net -$1.63M. Latest filing: disposed of 10K shares of $UMC on Sep 22, 2026 at $163.

Trades on file

1

Open-market bought

$0

Open-market sold

$1.63M

Net open-market

-$1.63M

Latest filing

Sep 22, 2026

All insider trades by Jen-Tsung Lin

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Sep 22, 2026	$UMC	Sell (Open-market sale)	10K	$163	$1.63M			-4.1%			Vice President		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Jen-Tsung Lin traded

• $UMC

Frequently asked questions

Has Jen-Tsung Lin been buying or selling stock?

Jen-Tsung Lin has 0 open-market purchases and 1 open-market sale on file, net -$1.63M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Jen-Tsung Lin's latest insider trade?

disposed of 10K shares of $UMC on Sep 22, 2026 at $163.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.