Monthly revenue data alone is insufficient to change the investment thesis. Monitor the next quarterly earnings release for margin and utilization rate trends, which are the key profitability drivers for UMC.
Price Chart
Executive Summary
UMC reported April 2026 net sales of NT$22.66 billion, up 10.80% YoY from NT$20.45 billion, and year-to-date net sales of NT$83.70 billion, up 6.88% YoY. This is a routine monthly revenue filing with solid but not exceptional growth, consistent with the prior annual report context.
Key Facts
- April 2026 net sales: NT$22,663,945 thousand, +10.80% YoY
- Year-to-date net sales: NT$83,701,847 thousand, +6.88% YoY
- No funds lent to other parties, no endorsements or guarantees
- Derivatives: forwards with NT$1.33B in unwritten-off contracts (fair value loss of NT$5,456 thousand) and NT$2.82B in written-off contracts (realized loss of NT$1,724 thousand)
Financial Impact
April revenue growth of 10.8% YoY is solid but within normal quarterly variability for a foundry; no guidance or earnings data provided
Risk Factors
- Semiconductor cycle downturn could reverse revenue growth trajectory
- Geopolitical risks related to Taiwan and China exposure
- Derivatives losses, though immaterial at NT$5.5M fair value loss
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001193125-26-213164 |
| Document: 6k_on_05082026.htm | 0001193125-26-213164 |
| Document: 0001193125-26-213164-index-headers.html | 0001193125-26-213164 |
| Document: 0001193125-26-213164-index.html | 0001193125-26-213164 |
| Document: 0001193125-26-213164.txt | 0001193125-26-213164 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 4, 2026 28d ago | 6-K | $20.77 $21.90 | ▲ +5.44% | ▲ +6.65% | $26.27 (+26.48%) |
Sep 2, 2026 4w ago | 6-K | $19.97 $22.12 | ▲ +10.77% | ▲ +11.72% | $26.27 (+31.55%) |
Aug 26, 2026 5w ago | 6-K | $19.03 $19.97 | ▼ −4.94% | ▼ −5.06% | $26.27 (−38.05%) |
Aug 14, 2026 7w ago | 6-K | $19.15 $18.34 | ▲ +4.23% | ▲ +2.86% | $26.27 (−37.18%) |
Aug 5, 2026 8w ago | 6-K | $19.29 $19.31 | ▲ +0.10% | ▼ −0.25% | $26.27 (+36.18%) |
Jul 21, 2026 10w ago | 6-K | $21.19 $19.08 | ▼ −9.96% | ▼ −8.73% | $26.27 (+23.97%) |
Jul 15, 2026 11w ago | 6-K | $24.92 $21.29 | ▼ −14.57% | ▼ −13.59% | $26.27 (+5.42%) |
Jul 14, 2026 11w ago | 6-K | $23.84 $20.30 | ▼ −14.85% | ▼ −13.55% | $26.27 (+10.19%) |
Jul 6, 2026 12w ago | 6-K | $25.83 $24.34 | ▼ −5.77% | ▼ −6.26% | $26.27 (+1.70%) |
Jun 29, 2026 13w ago | 6-K | $26.84 $25.83 | ▼ −3.76% | ▼ −5.15% | $26.27 (−2.12%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access