6-K ·Filed Jun 23, 2026

UMC

UNITED MICROELECTRONICS CORP
BULLISH
Impact 6/10
Horizonweeks Processed3mo ago SEC0001193125-26-278424
Notable filing: 6-K
Actionable Insight ▲ Bullish

The TWSE-required monthly data signals accelerating profit momentum far above the already-strong Q1 trend. However, the unaudited nature and exclusion of equity-method income mean the Q2 audited results could differ. The ex-dividend date (July 8) creates a near-term arbitrage window. Monitor for Q2 2026 official results and any further TWSE disclosures.

DirectionBullish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d ⚠ clustered
UMC ▼ -14.01% at T+60d
LONG call ✗ call lost -14.01% · α vs SPY -17.25% · entry $26.20 → $22.53
Entry anchored
Jun 23, 04:08 AM ET
via exchange tick
T+1d
+6.91%
call +6.91% · α +6.95%
$28.01
settled 3mo ago
T+5d
+2.44%
call +2.44% · α +1.43%
$26.84
settled 3mo ago
T+20d
-22.52%
call -22.52% · α -23.68%
$20.30
settled 2mo ago
T+60d
-14.01%
call -14.01% · α -17.25%
$22.53
settled 15d ago

Price Chart

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Executive Summary

UMC filed a 6-K disclosing a TWSE-required monthly financial update showing strong May 2026 results (revenue +17.8% YoY, net profit +203% YoY), a minor cash dividend per share adjustment due to share repurchases, the ex-dividend record date (July 14, 2026), and a disposal of Novatek shares via bond conversion (NT$1.72B, no net income impact). The financial data is unaudited and excludes equity-method investment income, but the magnitude of profit growth is notable.

Key Facts

  • May 2026 unaudited revenue NT$22,944M, +17.8% YoY
  • May 2026 net profit attributable to parent NT$8,449M, +203.0% YoY
  • May 2026 EPS NT$0.68, +195.7% YoY
  • Q1 2026 reviewed revenue NT$61,038M, +5.5% YoY; net profit NT$16,171M, +107.9% YoY
  • Cash dividend adjusted to NT$2.60808262 per share from NT$2.60 due to share repurchases
  • Ex-dividend date July 8, 2026; record date July 14, 2026; payment date July 30, 2026
  • Disposal of 3,593,875 Novatek shares at avg NT$479.8/share, total NT$1,724,341,225, via bond conversion; no net income impact
  • Monthly figures are unaudited and exclude equity-method investment income

Financial Impact

May 2026 net profit surged 203% YoY to NT$8,449M; Q1 2026 net profit up 108% YoY to NT$16,171M. Dividend unchanged in total amount (NT$32.7B). Novatek disposal of NT$1.72B has no net income impact.

revenuenet profitEPSdividend per share

Risk Factors

  • Monthly figures are unaudited and exclude equity-method investment income, which may materially change reported profits
  • The 203% YoY net profit surge in May may not be sustainable or repeatable in subsequent months
  • Semiconductor cycle risk — demand normalization could reverse recent momentum
  • Cross-strait geopolitical tensions could impact Taiwan-based operations

Market Snapshot

Exchange
NYSE
Sector
Semiconductors & Related Devices
Analyst Consensus
41% bullish (32 analysts)

Investment Themes

Semiconductors

Documents Analyzed

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

DocumentAccession Number
6-K Filing (Primary)0001193125-26-278424
Document: 6k_on_06232026.htm0001193125-26-278424
Document: 0001193125-26-278424-index-headers.html0001193125-26-278424
Document: 0001193125-26-278424-index.html0001193125-26-278424
Document: 0001193125-26-278424.txt0001193125-26-278424
25 reports for UMC
Performance horizon
50% Hit rate 2 of 4 directional calls best @ T+5▲ +5.44%Sep 4, 2026
Filters
Rows
Reports for UMC — sortable, filterable
TypeNow
Sep 4, 2026
28d ago
6-K
BULLISH ★ 5/10
$20.77 $21.90▲ +5.44%▲ +6.65%$26.27 (+26.48%)
Sep 2, 2026
4w ago
6-K
NEUTRAL ★ 2/10
$19.97 $22.12▲ +10.77%▲ +11.72%$26.27 (+31.55%)
Aug 26, 2026
5w ago
6-K
BEARISH ★ 5/10
$19.03 $19.97▼ −4.94%▼ −5.06%$26.27 (−38.05%)
Aug 14, 2026
7w ago
6-K
BEARISH ★ 5/10
$19.15 $18.34▲ +4.23%▲ +2.86%$26.27 (−37.18%)
Aug 5, 2026
8w ago
6-K
NEUTRAL ★ 2/10
$19.29 $19.31▲ +0.10%▼ −0.25%$26.27 (+36.18%)
Jul 21, 2026
10w ago
6-K
NEUTRAL ★ 2/10
$21.19 $19.08▼ −9.96%▼ −8.73%$26.27 (+23.97%)
Jul 15, 2026
11w ago
6-K
NEUTRAL ★ 2/10
$24.92 $21.29▼ −14.57%▼ −13.59%$26.27 (+5.42%)
Jul 14, 2026
11w ago
6-K
NEUTRAL ★ 3/10
$23.84 $20.30▼ −14.85%▼ −13.55%$26.27 (+10.19%)
Jul 6, 2026
12w ago
6-K
BULLISH ★ 5/10
$25.83 $24.34▼ −5.77%▼ −6.26%$26.27 (+1.70%)
Jun 29, 2026
13w ago
6-K
NEUTRAL ★ 3/10
$26.84 $25.83▼ −3.76%▼ −5.15%$26.27 (−2.12%)
Showing 10 of 25

US Market Status

Market Closed — Opens Mon (39h 27m)

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