UMC UNITED MICROELECTRONICS CORP

NEUTRAL Impact: 3/10 6-K
Horizon days Filed Apr 15, 2026 Processed 1mo ago SEC 0001193125-26-155859
Notable filing: 6-K
Latest settled — T+20d
UMC ▲ +61.41% at T+20d
NEUTRAL call ✓ call won +61.41% · α vs SPY +55.36% · entry $9.95 → $16.06
Next anchor: T+60d in 4w
Last close $20.00 (close Jun 8) · +101.01% from $9.95 entry
Entry anchored
Apr 14, 03:59 PM ET
via Databento tick
T+1d
+6.73%
call +6.73% · α +6.48%
$10.62
settled 8w ago
T+5d
+27.74%
call +27.74% · α +26.10%
$12.71
settled 7w ago
T+20d
+61.41%
call +61.41% · α +55.36%
$16.06
settled 28d ago
T+60d
call — · α —
in 4w

Price Chart

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Executive Summary

UMC announced its Q1 2026 Investor Conference scheduled for April 29, 2026, and disclosed routine share transactions by executives during March 2026. No material financial results or strategic updates were released.

Actionable Insight

Traders should monitor the April 29 investor conference for Q1 2026 financial results. The modest insider selling is routine and not a cause for concern, but the concentration of sales among senior executives may warrant tracking in future filings.

Key Facts

  • UMC will hold its Q1 2026 Investor Conference on April 29, 2026, to discuss financial and operating results.
  • Executives sold a total of 729,000 shares in March 2026, with CFO Chitung Liu selling 600,000 shares.
  • No share pledges or changes in pledge status were reported for directors, officers, or 10% shareholders.
  • The filing is a standard 6-K submission for foreign issuer disclosures, containing no unexpected developments.

Financial Impact

No immediate financial impact. The filing announces an upcoming event and reports past insider transactions without material changes to ownership or leverage.

insider ownershipinvestor communications

Risk Factors

  • Potential for downward pressure on stock if upcoming earnings disappoint, given recent insider selling.
  • Limited near-term catalysts before the April 29 conference.

Market Snapshot

Exchange
NYSE
Sector
Semiconductors & Related Devices

Documents Analyzed

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

DocumentAccession Number
6-K Filing (Primary)0001193125-26-155859
Document: 6k_on_04152026.htm0001193125-26-155859
Document: 0001193125-26-155859-index-headers.html0001193125-26-155859
Document: 0001193125-26-155859-index.html0001193125-26-155859
Document: 0001193125-26-155859.txt0001193125-26-155859
11 reports for UMC
Performance horizon
Filters
Rows
Reports for UMC — sortable, filterable
Type Now
Jun 5, 2026
4d ago
6-K
NEUTRAL ★ 3/10
$20.74 awaiting T+1awaiting T+1$20.00 (−3.57%)
Jun 3, 2026
6d ago
6-K
NEUTRAL ★ 5/10
$21.42 $20.79▼ −2.94%▼ −3.34%$20.00 (−6.63%)
May 27, 2026
13d ago
6-K
NEUTRAL ★ 3/10
$22.22 $22.68▲ +2.07%▲ +1.52%$20.00 (−9.99%)
May 15, 2026
25d ago
6-K
NEUTRAL ★ 2/10
$17.20 $17.12▼ −0.47%▼ −0.40%$20.00 (+16.28%)
May 13, 2026
27d ago
6-K
NEUTRAL ★ 2/10
$15.92 $17.13▲ +7.60%▲ +6.82%$20.00 (+25.63%)
May 12, 2026
28d ago
6-K
NEUTRAL ★ 2/10
$16.06 $15.92▼ −0.87%▼ −1.45%$20.00 (+24.53%)
May 8, 2026
4w ago
6-K
NEUTRAL ★ 3/10
$15.42 $15.59▲ +1.10%▲ +0.87%$20.00 (+29.70%)
May 7, 2026
4w ago
6-K
NEUTRAL ★ 2/10
$15.16 $15.42▲ +1.72%▲ +0.89%$20.00 (+31.93%)
Apr 21, 2026
7w ago
6-K
NEUTRAL ★ 2/10
$12.33 $12.71▲ +3.08%▲ +2.06%$20.00 (+62.21%)
Apr 15, 2026
7w ago
6-K
NEUTRAL ★ 3/10
$9.95 $10.62▲ +6.73%▲ +6.48%$20.00 (+101.01%)
Showing 10 of 11

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