6-K ·Filed Jun 18, 2026

UMC

UNITED MICROELECTRONICS CORP
NEUTRAL
Impact 2/10
Horizonimmediate Processed3mo ago SEC0001193125-26-274873
Notable filing: 6-K
Actionable Insight • Neutral

The disposal is a routine bond conversion event with no earnings impact. Monitor UMC's future 6-K filings for any further Novatek share disposals or changes in investment strategy, but no immediate trading signal from this filing.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
UMC ▼ -9.05% at T+60d
NEUTRAL call ✗ call lost -9.05% · α vs SPY -10.95% · entry $24.08 → $21.90
Entry anchored
Jun 18, 05:23 AM ET
via exchange tick
T+1d
+14.20%
call +14.20% · α +14.52%
$27.50
settled 3mo ago
T+5d
+15.16%
call +15.16% · α +16.82%
$27.73
settled 3mo ago
T+20d
-7.43%
call -7.43% · α -7.97%
$22.29
settled 2mo ago
T+60d
-9.05%
call -9.05% · α -10.95%
$21.90
settled 17d ago

Price Chart

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Executive Summary

UMC disclosed the disposal of 2,896,036 common shares of Novatek Microelectronics Corporation via conversion of zero-coupon exchangeable bonds due 2026, generating total proceeds of NT$1.39 billion. The transaction resulted in a NT$1.01 billion gain recorded to retained earnings with no impact on net income. This is a routine portfolio adjustment with no material effect on UMC's core semiconductor operations.

Key Facts

  • Disposed 2,896,036 Novatek shares at average price of NT$479.8 per share, total NT$1,389,518,072
  • Gain of NT$1,007,168,830 recorded to retained earnings, no impact on net income
  • Post-disposal, UMC holds 12,373,857 Novatek shares (2.03% stake) valued at NT$5.98 billion
  • Transaction executed via conversion of zero-coupon exchangeable bonds due 2026
  • Counterparty is not a related party; no board resolution required

Financial Impact

NT$1.01 billion gain to retained earnings; no P&L impact

retained earningsinvestment holdings

Risk Factors

  • Further disposals could signal portfolio rebalancing but are not indicated
  • No material risk to UMC's core business from this transaction

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)0001193125-26-274873
Document: umc-ex99_1.htm0001193125-26-274873
Document: 0001193125-26-274873-index-headers.html0001193125-26-274873
Document: 0001193125-26-274873-index.html0001193125-26-274873
Document: 0001193125-26-274873.txt0001193125-26-274873
25 reports for UMC
Performance horizon
60% Hit rate 3 of 5 directional calls best @ T+1▲ +6.91%Jun 23, 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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