UMC Stock: Price, Earnings History and SEC Filings
United Microelectronics Corporation (UMC) last traded at $16.68, down 7.54% on the latest session and down 31.9% over the past month. In its most recent reported quarter (Sep 2026) earnings per share were $0.21 against an analyst estimate of $0.23, a miss of 8.7%.
Price data from Yahoo Finance, as of Oct 30, 2026. May be delayed.
UMC earnings history
| Quarter | Reported | EPS | Estimate | Surprise |
|---|---|---|---|---|
| Sep 2026 | Oct 28, 2026 | $0.21 | $0.23 | -8.70% |
| Jun 2026 | Jul 29, 2026 | $0.54 | $0.16 | +237.50% |
| Mar 2026 | Apr 29, 2026 | $0.20 | $0.12 | +66.67% |
| Dec 2025 | Jan 28, 2026 | $0.13 | $0.12 | +8.33% |
UMC beat the analyst EPS estimate in 3 of its last 4 reported quarters. Source: Nasdaq.
Latest SEC filings for UMC
Insider filing activity
UMC insiders filed 3 Form 4 reports in the last 90 days. A Form 4 is how directors and executives disclose purchases, sales and grants of company stock. See the individual filings on SEC EDGAR. Many Form 4 filings are routine, such as scheduled sales or option exercises, so check each filing before drawing a conclusion.
Source: SEC EDGAR.
UMC news
- UMC vs. NVMI: Which Stock Is the Better Value Option?Oct 30, 2026 · finance.yahoo.com
- Why United Microelectronics Corporation’s (UMC) Stock Is Down 7.04%Oct 29, 2026 · aaii.com
- UMC Q3 Earnings Miss Estimates Despite Higher Wafer ShipmentsOct 29, 2026 · finance.yahoo.com
- UMC Reports Third Quarter 2026 ResultsOct 28, 2026 · finance.yahoo.com
- UMC invests $3.2 billion in capacity expansion amid AI revenue growth forecastOct 28, 2026 · cio.economictimes.indiatimes.com
- United Microelectronics to Report Q3 Earnings: What's in Store?Oct 27, 2026 · finance.yahoo.com
- UMC stock costs EUR 16.95 before October 28 resultsOct 26, 2026 · ad-hoc-news.de
- UMC and AP Memory Collaborate to Enable Advanced Power Delivery Solutions for AI and HPC SystemsOct 22, 2026 · finance.yahoo.com
About United Microelectronics Corporation
United Microelectronics Corporation (UMC) is a US-listed public company on NYSE. The SEC classifies its business as Semiconductors & Related Devices. It is incorporated in Taiwan. Its fiscal year ends in December.