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EFFECT ·Filed Oct 14, 2026

MX

MAGNACHIP SEMICONDUCTOR Corp
BEARISH
Impact 5/10
Horizondays Processed13d 17h ago SEC9999999995-26-003234
IPO/offering going effective
Actionable Insight ▼ Bearish

The selling stockholder can now begin distributing the 1.46 million shares at any time, creating near-term overhang. Monitor for a prospectus supplement or Form 4 filings indicating actual sales. The $50 million universal shelf also gives the company flexibility to issue additional equity or convertible securities, which could further dilute existing holders.

DirectionBearish
Confidencehigh
Horizondays
Latest settled — T+5d
MX ▼ -3.00% at T+5d
SHORT call ✓ call won +3.00% · α vs SPY +3.45% · entry $2.67 → $2.59
Next anchor: T+20d in 15d
Latest observation: T+7 +4.77% FF3 residual α
Entry = T+0 close
Oct 14, 2026
via day close
T+1d
+3.00%
call -3.00% · α -2.71%
$2.75
settled 12d ago
T+5d
-3.00%
call +3.00% · α +3.45%
$2.59
settled 6d ago
T+20d
Pending
in 15d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

The SEC declared effective Magnachip's S-3 registration statement (File No. 333-299303) on October 13, 2026. This shelf registration covers the resale of up to 1,461,988 shares of common stock by a selling stockholder from a September 2026 private placement, plus a separate $50 million universal shelf for future offerings by the company. The effectiveness removes the key regulatory hurdle, allowing the selling stockholder to begin distributing shares and the company to potentially access capital markets.

Key Facts

  • Effectiveness date: October 13, 2026
  • Registration covers resale of up to 1,461,988 shares by a selling stockholder from a September 18, 2026 private placement
  • Separate $50 million universal shelf (common, preferred, warrants, rights, units) also declared effective
  • Company will not receive any proceeds from the selling stockholder's resale
  • Common stock listed on NYSE under symbol MX
  • Cross-filing: Prior S-3 filed October 5, 2026 (8 days ago) and June 12, 2026 (123 days ago)

Financial Impact

Up to 1,461,988 shares of common stock eligible for immediate resale by a selling stockholder; plus $50 million aggregate offering capacity on the universal shelf

dilutionshare countmarket capitalization

Risk Factors

  • Immediate selling pressure from the 1.46 million share resale registration
  • Potential future dilution from the $50 million universal shelf offering
  • Stock price may be suppressed while the market absorbs the overhang

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-003234
Document: 9999999995-26-003234-index.html9999999995-26-003234
Document: 9999999995-26-003234.txt9999999995-26-003234
9 reports for MX
Performance horizon
100% Hit rate @ T+5 5 of 5 directional calls Went positive at some point 5 of 5 best @ T+60▲ +51.35%Jun 17, 2026
Filters
Rows
Reports for MX — sortable, filterable
TypeNow
Oct 14, 2026
13d ago
EFFECT
BEARISH ★ 5/10
$2.67 $2.59▲ +3.00%▲ +3.45%$2.52 (+5.62%)
Oct 5, 2026
22d ago
S-3
NEUTRAL ★ 4/10
$3.43 $2.84▼ −17.20%▼ −17.06%$2.52 (−26.53%)
Sep 21, 2026
5w ago
8-K
BULLISH ★ 5/10
$3.20 $3.79▲ +18.44%▲ +19.46%$2.52 (−21.25%)
Jun 30, 2026
17w ago
8-K
NEUTRAL ★ 2/10
$4.73 $4.13▼ −12.69%▼ −13.29%$2.52 (−46.72%)
Jun 17, 2026
18w ago
8-K
BEARISH ★ 5/10
$5.92 $4.91▲ +17.06%▲ +15.39%$2.52 (+57.43%)
Jun 17, 2026
18w ago
424B5
BEARISH ★ 5/10
$5.92 $4.91▲ +17.06%▲ +15.39%$2.52 (+57.43%)
Jun 17, 2026
18w ago
8-K
NEUTRAL ★ 3/10
$5.28 $4.86▼ −7.95%▼ −6.91%$2.52 (−52.27%)
Jun 17, 2026
18w ago
EFFECT
BEARISH ★ 5/10
$5.28 $4.86▲ +7.95%▲ +6.91%$2.52 (+52.27%)
Mar 4, 2026
33w ago
8-K
BEARISH ★ 6/10
$2.87 $2.76▲ +3.83%▲ +1.60%$2.52 (+12.20%)
Showing 9 of 9

US Market Status

Market Closed — Opens Wed (15h 47m)

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Report published Oct 14, 2026