UMC UNITED MICROELECTRONICS CORP

NEUTRAL Impact: 2/10 6-K
Horizon immediate Filed May 7, 2026 Processed 14d 5h ago SEC 0001193125-26-210117
Notable filing: 6-K
Latest settled — T+5d
UMC ▲ +5.01% at T+5d
NEUTRAL call ✓ call won +5.01% · α vs SPY +3.51% · entry $15.16 → $15.92
Next anchor: T+20d in 15d
Currently $18.17 · +19.82% from $15.16 entry
Entry anchored
May 7, 05:26 AM ET
via Databento tick
T+1d
+1.72%
call +1.72% · α +0.89%
$15.42
settled 13d ago
T+5d
+5.01%
call +5.01% · α +3.51%
$15.92
settled 7d ago
T+20d
call — · α —
in 15d
T+60d
call — · α —
in 2mo

Price Chart

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Executive Summary

UMC filed a 6-K announcing that cumulative share repurchases exceeded NTD$300 million, with 4,166,000 shares repurchased for NTD$375.5 million (0.03% of outstanding) at an average price of NTD$90.14 per share. This is a routine disclosure with no material impact on fundamentals.

Actionable Insight

This is a routine buyback update; the small scale relative to market cap ($38.3B) makes it negligible. Monitor for any future acceleration of buybacks or changes in capital allocation policy.

Key Facts

  • Cumulative share repurchases exceeded NTD$300 million threshold as of May 7, 2026.
  • Repurchased 4,166,000 common shares (0.03% of total issued shares) for NTD$375,536,827.
  • Average repurchase price: NTD$90.14 per share.

Financial Impact

Total repurchase amount NTD$375.5 million, representing 0.03% of outstanding shares.

share countcash

Risk Factors

  • None material from this filing.

Market Snapshot

Exchange
NYSE
Sector
Semiconductors & Related Devices
Analyst Consensus
31% bullish (32 analysts)

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
6-K Filing (Primary)0001193125-26-210117
Document: umc-ex99_1.htm0001193125-26-210117
Document: 0001193125-26-210117-index-headers.html0001193125-26-210117
Document: 0001193125-26-210117-index.html0001193125-26-210117
Document: 0001193125-26-210117.txt0001193125-26-210117
8 reports for UMC
Performance horizon
Filters
Rows
Reports for UMC — sortable, filterable
Type Now
May 15, 2026
6d ago
6-K
NEUTRAL ★ 2/10
awaiting T+5
May 13, 2026
8d ago
6-K
NEUTRAL ★ 2/10
$15.92 $17.58▲ +10.43%▲ +11.59%$18.17 (+14.10%)
May 12, 2026
9d ago
6-K
NEUTRAL ★ 2/10
$16.06 $17.12▲ +6.60%▲ +6.52%$18.17 (+13.11%)
May 8, 2026
13d ago
6-K
NEUTRAL ★ 3/10
$15.42 $17.13▲ +11.09%▲ +9.63%$18.17 (+17.80%)
May 7, 2026
14d ago
6-K
NEUTRAL ★ 2/10
$15.16 $15.92▲ +5.01%▲ +3.51%$18.17 (+19.82%)
Apr 21, 2026
4w ago
6-K
NEUTRAL ★ 2/10
$12.33 $11.66▼ −5.43%▼ −6.52%$18.17 (+47.32%)
Apr 15, 2026
5w ago
6-K
NEUTRAL ★ 3/10
$9.95 $12.71▲ +27.74%▲ +26.10%$18.17 (+82.56%)
Apr 8, 2026
6w ago
6-K
NEUTRAL ★ 3/10
$9.47 $9.95▲ +5.07%▲ +1.55%$18.17 (+91.82%)
Showing 8 of 8

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