What United Microelectronics Corp's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.
| 3 months | 12 months | |
|---|---|---|
| Open-market buys | 0 | 0 |
| Sells | 3 | 5 |
| Total trades | 5 | 7 |
| 3 months | 12 months | |
|---|---|---|
| Acquired | 1,000,000 | 1,000,000 |
| Disposed | 2,600,000 | 4,510,000 |
| Net activity | −1,600,000 | −3,510,000 |
Common stock only — 1 reported trade in the last 12 months is in a security these totals do not cover.
View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.
| Insider | Relation | Date | Transaction | Shares | Price | Value | Shares held |
|---|---|---|---|---|---|---|---|
| Lin Jen-tsung | Vice President | Sep 22 | Open-market sale · S | −10,000 | $163.00 | −$1.63M | 1,172,140 |
| Liu Chitung | CFO & SVP | Sep 17 | Open-market sale · S | −400,000 | $145.00 | −$58M | 2,639,757 |
| Liu Chitung | CFO & SVP | Sep 16 | Open-market sale · S | −1,200,000 | $142.33 | −$171M | 3,039,757 |
| Liu Chitung | CFO & SVP | Sep 07 | Other Transaction · J | −1,000,000 | — | — | 1,000,000 |
| Liu Chitung | CFO & SVP | Sep 07 | Other Transaction · J | +1,000,000 | — | — | 4,322,917 |
| Liu Chitung | CFO & SVP | Jul 13 | Open-market sale · S | −1,900,000 | $154.89 | −$294M | 3,322,917 |
| Hu Che-jen | Vice President | Jun 30 | Open-market sale · S | −10,000 | $171.30 | −$1.71M | 3,214,080 |
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