Chitung Liu, CFO & SVP at UNITED MICROELECTRONICS CORP (UMC), sold 1,600,000 shares at $142.33 ($228.8M) on 2026-09-16, disclosed to the SEC on 2026-09-17.
Open-market sale of $228.8M UMC by CFO & SVP. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $142.33 | 1,200,000 | $170.8M | 74.7% |
| 2 | $145.00 | 400,000 | $58.0M | 25.3% |
| Total | $143.00 avg | 1,600,000 | $228.8M | 100% |