The Q2 2026 earnings call on July 29 is the next catalyst. Monitor for revenue, margin, and utilization rate trends in the semiconductor foundry sector. The insider activity is negligible and does not signal a change in outlook.
Price Chart
Executive Summary
UMC filed a 6-K announcing its Q2 2026 investor conference on July 29, 2026, and reporting minor insider trading and pledge activity for June 2026. A Vice President sold 10,000 shares and a Senior Vice President cleared a pledge of 2,000,000 shares. The filing is routine and contains no financial results or material operational updates.
Key Facts
- UMC will hold its Q2 2026 investor conference on July 29, 2026, at 17:00 via online teleconference.
- Vice President Jerry CJ Hu reduced his holdings by 10,000 shares (from 2,395,280 to 2,385,280) during June 2026.
- Senior Vice President G C Hung cleared a pledge of 2,000,000 UMC common shares during June 2026.
- No financial results, guidance, or material business developments were disclosed in this filing.
Financial Impact
No financial impact disclosed. The insider sale of 10,000 shares and pledge clearance of 2,000,000 shares are immaterial relative to UMC's $59.1B market cap.
Risk Factors
- No material risks disclosed in this filing.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001193125-26-302459 |
| Document: umc-ex99.htm | 0001193125-26-302459 |
| Document: 0001193125-26-302459-index-headers.html | 0001193125-26-302459 |
| Document: 0001193125-26-302459-index.html | 0001193125-26-302459 |
| Document: 0001193125-26-302459.txt | 0001193125-26-302459 |
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