6-K ·Filed Jun 16, 2026

UMC

UNITED MICROELECTRONICS CORP
NEUTRAL
Impact 2/10
Horizonimmediate Processed3mo ago SEC0001193125-26-271747
Notable filing: 6-K
Actionable Insight • Neutral

The Novatek share conversion is a routine bond settlement with no cash flow or earnings impact. No insider activity signals management confidence. Monitor future 6-K filings for any further conversion activity or changes in the Novatek stake, but no immediate trading catalyst.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
UMC ▲ +2.31% at T+60d
NEUTRAL call ✓ call won +2.31% · α vs SPY +1.31% · entry $21.62 → $22.12
Entry anchored
Jun 15, 03:59 PM ET
via exchange tick
T+1d
+0.65%
call +0.65% · α +1.90%
$21.76
settled 4mo ago
T+5d
+21.18%
call +21.18% · α +23.42%
$26.20
settled 3mo ago
T+20d
+10.27%
call +10.27% · α +10.07%
$23.84
settled 3mo ago
T+60d
+2.31%
call +2.31% · α +1.31%
$22.12
settled 21d ago

Price Chart

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Executive Summary

UMC filed a 6-K reporting the disposal of 1,174,694 common shares of Novatek Microelectronics via conversion of zero-coupon exchangeable bonds due 2026, generating NT$563.6M in proceeds and a NT$387M non-cash retained earnings impact. The filing also confirms no insider trading or pledge activity by directors, officers, or 10% shareholders during May 2026. This is a routine administrative update with no material impact on UMC's operations or financials.

Key Facts

  • Disposed 1,174,694 Novatek common shares at avg NT$479.8/share, total NT$563,618,180
  • Transaction was a shares conversion of zero-coupon exchangeable bonds due 2026
  • Impact on retained earnings: NT$386,963,843 (no impact to net income)
  • After disposal, UMC holds 15,269,893 Novatek shares (2.51% ownership)
  • Exhibit 99.2 shows zero insider trading or pledge changes in May 2026

Financial Impact

NT$563.6M disposal proceeds; NT$387M non-cash retained earnings impact

retained earnings

Risk Factors

  • None material from this filing

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)0001193125-26-271747
Document: 6k_on_06162026.htm0001193125-26-271747
Document: 0001193125-26-271747-index-headers.html0001193125-26-271747
Document: 0001193125-26-271747-index.html0001193125-26-271747
Document: 0001193125-26-271747.txt0001193125-26-271747
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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