68/100B13.860
USD
0.51
(3.82%)
Post Trading·13.910USD+0.050(+0.36%)
Last updated: · Delayed 15 min
Fair valueNot reliable
Q4 FY2026 · Earnings report
EPS estimate 0.19Revenue estimate 2.37B
Q4 FY2026 · Earnings report
EPS estimate 0.19Revenue estimate 2.37B
United Microelectronic executives and insider trading
Jason S. Wang reported no open-market purchases or sales over the last twelve months.
Over the last twelve months United Microelectronic's insiders sold 3,520,000 shares for 526.43M TWD in 5 sales on the open market, and bought 0 shares in 0 purchases.
Insiders over the last twelve months
- Insider sales
- 5
- Shares sold
- 3,520,000
- Value sold
- 526.43M TWD
- Insider purchasesWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
- 0
Insiders buying against sellingWhat is a Rule 10b5-1 trading plan? A Rule 10b5-1 plan lets an insider fix future trades in advance, while holding no inside information, so later trades follow the plan, not a new decision.
Bought on the market
Sold on the market
0
1 week
0
0
1 month
0
0
3 months
230.43M TWD
0
6 months
526.43M TWD
0
1 year
526.43M TWD
0
2 years
526.43M TWD
Sold, decided at the timeSold under a Rule 10b5-1 plan set in advance
Open-market purchases and sales reported on Form 4, by value. Awards, option exercises and shares withheld for tax are not counted. Whether a sale was under a Rule 10b5-1 plan is read from each Form 4 at the SEC (the box exists on filings since April 2023).
Executives and directors
The people who run the company and the directors who reported trades, with what each bought and sold on the open market over the last twelve months. The CEO first, then whoever traded most.
| Name | Position | Age | Shares sold (12 months) | Value sold (12 months) | Shares bought (12 months) | Last sale | Shares held after |
|---|---|---|---|---|---|---|---|
| Jason S. Wang CEO | CEO & Representative Director | 63 | — | — | — | — | — |
| Chi-Tung Liu | Chief Financial Officer, Senior Vice President, Head of Corporate Governance & Company Secretary | 60 | 3,500,000 | 523.09M TWD | — | 17 Sept 2026 | — |
| Che-jen Hu | Vice President | — | 10,000 | 1.71M TWD | — | 30 Jun 2026 | — |
| Jen-tsung Lin | Vice President | — | 10,000 | 1.63M TWD | — | 22 Sept 2026 | — |
| Hung-Yu Yen | Vice President & Chief Human Resources Officer | — | — | — | — | — | — |
| Chia-Tsung Hung | Chairman & Chief Strategy Officer | 66 | — | — | — | — | — |
| Hung | Senior Vice President of Technology & Business Development | — | — | — | — | — | — |
| Jinhong Lin | Head of Investor Relations | — | — | — | — | — | — |
| Ming Hsu | President, COO & Representative Director | — | — | — | — | — | — |
| Shan-Chieh Chien | Chairman of Unimicron Technology | 68 | — | — | — | — | — |
| Wu | Chief Information Security Officer & Senior VP of Global Fab Operations | — | — | — | — | — | — |
| Olivia Liao | Vice President & General Counsel | — | — | — | — | — | — |
| Eric Chen | Vice President & Chief Human Resources Officer | — | — | — | — | — | — |
| Oliver Chang | Senior Vice President of global sales | — | — | — | — | — | — |
| Wen Yi Tan | Vice President | — | — | — | — | — | — |
| Chia-ao Lu | Vice President | — | — | — | — | — | — |
| Ching Yu Liao | General Counsel & VP | — | — | — | — | — | — |
| Jin-shuang Chen | CHRO & VP | — | — | — | — | — | — |
| Lin-wu Kuo | Vice President | — | — | — | — | — | — |
| Ming-yu Lin | Vice President | — | — | — | — | — | — |
| Shu-fen Hsu | Vice President | — | — | — | — | — | — |
| Shih-wei Liu | Vice President | — | — | — | — | — | — |
| Ying-sheng Shen | Vice President | — | — | — | — | — | — |
| Shih-chieh Hsu | Vice President | — | — | — | — | — | — |
| Tzyy-ming Cheng | Vice President | — | — | — | — | — | — |
| Shih-fang Tzou | Vice President | — | — | — | — | — | — |
| Ming-tsung Chen | Vice President | — | — | — | — | — | — |
| Yu-chih Chuang | Vice President | — | — | — | — | — | — |
| Kuei-chun Hung | SVP | — | — | — | — | — | — |
| Chung-hsien Wu | CISO & SVP | — | — | — | — | — | — |
| Su-lin Wang | Director | — | — | — | — | — | — |
| Ling-ling Wu | — | — | — | — | — | — | |
| Wen Hsin Hsu | — | — | — | — | — | — | |
| Kuang-si Shiu | — | — | — | — | — | — | |
| Jyuo-min Shyu | — | — | — | — | — | — | |
| Lih-juann Chen | — | — | — | — | — | — |
Insider sales and purchases by quarter
How many insider sales and purchases were reported each quarter.
Insider sales Insider purchases
Every insider transactionWhat is insider trading? Insider trading here means the legal trades that a company's executives, directors and large owners make in its shares, reported to the SEC on Form 4.
Insiders must report every trade in the company's shares to the SEC within two business days, on Form 4. Only purchases and sales are trades on the open market; awards, option exercises, shares withheld for tax and gifts come with pay, and the twelve-month totals leave them out.
| Date | Name | Transaction | Shares | Price | Value | Shares held after | Filing |
|---|---|---|---|---|---|---|---|
| 22 Sept 2026 | Jen-tsung Lin | Sale | 10,000 | 163.00 | 1.63M TWD | 1,172,140 | Form 4 |
| 17 Sept 2026 | Chi-Tung Liu | Sale | 400,000 | 145.00 | 58.00M TWD | 2,639,757 | Form 4 |
| 16 Sept 2026 | Chi-Tung Liu | Sale | 1,200,000 | 142.33 | 170.80M TWD | 3,039,757 | Form 4 |
| 11 Sept 2026 | Hung-Yu Yen | Other | — | — | — | 339,682 | Form 4 |
| 7 Sept 2026 | Chi-Tung Liu | Other | 1,000,000 | — | — | 4,322,917 | Form 4 |
| 7 Sept 2026 | Chi-Tung Liu | Other | 1,000,000 | — | — | 1,000,000 | Form 4 |
| 13 Jul 2026 | Chi-Tung Liu | Sale | 1,900,000 | 154.89 | 294.29M TWD | 3,322,917 | Form 4 |
| 30 Jun 2026 | Che-jen Hu | Sale | 10,000 | 171.30 | 1.71M TWD | 3,214,080 | Form 4 |
| 1 May 2026 | Wen Yi Tan | Other | — | — | — | 650,600 | Form 4 |
| 1 May 2026 | Chia-ao Lu | Other | — | — | — | 170,000 | Form 4 |
| 29 Apr 2026 | Ching Yu Liao | Other | — | — | — | 732,480 | Form 4 |
| 29 Apr 2026 | Jin-shuang Chen | Other | — | — | — | 2,343,080 | Form 4 |
| 29 Apr 2026 | Lin-wu Kuo | Other | — | — | — | 913,080 | Form 4 |
| 29 Apr 2026 | Ming-yu Lin | Other | — | — | — | 3,543,005 | Form 4 |
| 29 Apr 2026 | Ming-yu Lin | Other | — | — | — | 781,408 | Form 4 |
| 29 Apr 2026 | Shu-fen Hsu | Other | — | — | — | 1,560,080 | Form 4 |
| 29 Apr 2026 | Shu-fen Hsu | Other | — | — | — | 7,000 | Form 4 |
| 29 Apr 2026 | Shih-wei Liu | Other | — | — | — | 2,183,080 | Form 4 |
| 29 Apr 2026 | Ying-sheng Shen | Other | — | — | — | 1,313,080 | Form 4 |
| 29 Apr 2026 | Che-jen Hu | Other | — | — | — | 3,224,080 | Form 4 |
| 29 Apr 2026 | Shih-chieh Hsu | Other | — | — | — | 2,075,080 | Form 4 |
| 29 Apr 2026 | Shih-chieh Hsu | Other | — | — | — | 2,889 | Form 4 |
| 29 Apr 2026 | Tzyy-ming Cheng | Other | — | — | — | 2,868,080 | Form 4 |
| 29 Apr 2026 | Shih-fang Tzou | Other | — | — | — | 1,462,188 | Form 4 |
| 29 Apr 2026 | Ming-tsung Chen | Other | — | — | — | 2,484,660 | Form 4 |
| 29 Apr 2026 | Yu-chih Chuang | Other | — | — | — | 1,199,331 | Form 4 |
| 29 Apr 2026 | Yu-chih Chuang | Other | — | — | — | 13,943 | Form 4 |
| 29 Apr 2026 | Jen-tsung Lin | Other | — | — | — | 1,229,660 | Form 4 |
| 29 Apr 2026 | Oliver Chang | Other | — | — | — | 4,819,289 | Form 4 |
| 29 Apr 2026 | Kuei-chun Hung | Other | — | — | — | 3,879,566 | Form 4 |
| 29 Apr 2026 | Kuei-chun Hung | Other | — | — | — | 2,000,000 | Form 4 |
| 29 Apr 2026 | Chung-hsien Wu | Other | — | — | — | 3,685,584 | Form 4 |
| 29 Apr 2026 | Chung-hsien Wu | Other | — | — | — | 304 | Form 4 |
| 18 Mar 2026 | Chi-Tung Liu | Other | — | — | — | 5,222,917 | Form 4 |
| 18 Mar 2026 | Chi-Tung Liu | Other | — | — | — | 2,000,000 | Form 4 |
| 18 Mar 2026 | Chi-Tung Liu | Other | — | — | — | 150,000 | Form 4 |
| 18 Mar 2026 | Su-lin Wang | Other | — | — | — | 101,000 | Form 4 |
| 18 Mar 2026 | Ling-ling Wu | Other | — | — | — | — | Form 4 |
| 18 Mar 2026 | Wen Hsin Hsu | Other | — | — | — | — | Form 4 |
| 18 Mar 2026 | Kuang-si Shiu | Other | — | — | — | — | Form 4 |
| 18 Mar 2026 | Jyuo-min Shyu | Other | — | — | — | — | Form 4 |
| 18 Mar 2026 | Lih-juann Chen | Other | — | — | — | — | Form 4 |
Common questions about United Microelectronic's executives and insiders
Source: Financial Modeling Prep