Insider · CIK 0002133616
Jen-Tsung Lin
Files at UMC (UNITED MICROELECTRONICS CORP). First filing Sep 22, 2026, latest Sep 22, 2026.
In brief
Jen-Tsung Lin files SEC Form 4 as officer at UMC (UNITED MICROELECTRONICS CORP). Since Sep 22, 2026, Jen-Tsung Lin has reported 0 open-market buys worth $0 and 1 open-market sell worth $1.6M, the latest filed on Sep 22, 2026.
A track record needs three past buys with six months of prices behind them; Jen-Tsung Lin has 0, so none is measured yet.
The newest scored trade: sold $1.6M of UMC on Sep 22, 2026, filed Sep 22, 2026, scored 48 (moderate). In the last 12 months: 0 buys worth $0 and 1 sell worth $1.6M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
UMC: UNITED MICROELECTRONICS CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 48Moderate | UNITED MICROELECTRONICS CORP | $1.6M 10,000 shares | -1% | - |
Transactions
Every row this insider has filed, 1 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 22, 2026 | UMC UNITED MICROELECTRONICS CORP | SOpen-market sale Commin Shares | -10,000 | $163.00 | $1.6M | 1,172,140 | 21 d ago |
Questions about Jen-Tsung Lin
Answered from the filings on this page, as of the latest one.
Is Jen-Tsung Lin buying or selling?
In the last 12 months Jen-Tsung Lin reported 0 open-market buys worth $0 and 1 open-market sell worth $1.6M on SEC Form 4; the latest was sold $1.6M of UMC on Sep 22, 2026. Grants, option exercises and tax withholding are not counted.
How did Jen-Tsung Lin's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Jen-Tsung Lin has 0.
Where does Jen-Tsung Lin file Form 4?
Jen-Tsung Lin has filed Form 4 at UMC (UNITED MICROELECTRONICS CORP) as Vice President. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.