Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of United Microelectronics Corp (UMC) since 2026 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of United Microelectronics Corp. Table 2 shows the detailed insider transactions. This company's CIK number is 1033767.
Total stock buying since 2026: $0.
Total stock sales since 2026: $1,713,000.
Total stock option exercises since 2026: $0.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 0 | $0 | 10,000 | $1,713,000 | 0 | $0 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-06 | 0 | $0 | 10,000 | $1,713,000 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-06-30 | Hu Che-jen (Vice President) | Sale | 10,000 | 171.30 | 1,713,000 |
Insider trading activities including stock purchases, stock sales, and option exercises of UMC listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of United Microelectronics Corp (symbol UMC, CIK number 1033767) see the Securities and Exchange Commission (SEC) website.