United Microelectronics Corporation
corporate_fare Company Profile
United Microelectronics Corporation (NYSE:UMC) is a publicly traded company in the Manufacturing sector. Wiseek monitors UMC SEC EDGAR filings and licensed market news in real time, scoring each submission for market-moving significance on a 1–10 scale. Items rated 7 or higher generate instant alerts.
Recent high-impact activity:
- UMC CFO Sells $12.3M in Stock — Largest Insider Sale in Recent Months
- UMC Reports Strong 22.85% Year-Over-Year Net Sales Growth for June
- UMC Reports Strong May Profit & EPS Growth, Details $41.7M Securities Disposal Profit
- UMC Realizes $43.6M Profit from Novatek Securities Disposal, Clarifies Intel Rumor
- UMC Reports 17.78% Year-Over-Year Net Sales Growth for May, Accelerating from April
Financial Snapshot
Dilution Risk
Low riskFiling-implied dilution signals for UMC, detected from its recent SEC filings · based on capital-structure filings through 2026-06-03.
Convertible Bond Issuance Approved · Funds for Equipment Purchases
⚠ A more recent filing has been published for this ticker since this signal was computed; it may not yet be reflected — see the filings below.
A filing-implied signal, not a realized share count. How Wiseek tracks dilution →
Insider Transactions
UMC files as a Foreign Private Issuer (FPI). Under SEC Exchange Act Section 16(a), officers, directors, and 10% owners of FPIs are exempt from Form 4 insider-transaction reporting requirements. Comparable disclosures, when applicable, appear in the company's Form 20-F (annual) or Form 6-K (interim) filings on SEC EDGAR.