The partial buyback completion is a routine event with no material impact on fundamentals or valuation. Traders should monitor future buyback authorizations or changes in capital allocation policy for signals, but no immediate action is warranted.
Price Chart
Executive Summary
UMC announced the completion of its 22nd stock buy-back plan, but only repurchased 30,551,000 shares (0.24% of total issued shares) out of a planned maximum of 50,000,000 shares, citing market conditions and shareholder interest. The buyback was conducted from May 5-20, 2026 at an average price of NTD 101.33 per share, for a total of NTD 3,095,665,789. This partial execution is a routine update with minimal financial impact given the company's $64.4B market cap.
Key Facts
- Original buyback plan: maximum 50,000,000 shares, period 2026/04/30~2026/06/29, price range NTD 52.50~109.50.
- Actual repurchase: 30,551,000 shares (0.24% of issued shares) from 2026/05/05~2026/05/20.
- Total amount spent: NTD 3,095,665,789 at average price NTD 101.33 per share.
- Reason for non-completion: consideration of market conditions and shareholders' interest.
Financial Impact
Buyback of NTD 3.1B (~$100M) against $64.4B market cap is immaterial; less than 0.2% of market cap.
Risk Factors
- Incomplete buyback may signal management's cautious view on valuation or cash deployment.
- No risk of material price movement from this filing alone.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 5 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 6-K Filing (Primary) | 0001193125-26-286731 |
| Document: umc-ex99_1.htm | 0001193125-26-286731 |
| Document: 0001193125-26-286731-index-headers.html | 0001193125-26-286731 |
| Document: 0001193125-26-286731-index.html | 0001193125-26-286731 |
| Document: 0001193125-26-286731.txt | 0001193125-26-286731 |
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
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