Welcome to our dedicated page for Magnachip Semiconductor N SEC filings (Ticker: MX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Magnachip Semiconductor Corporation (NYSE: MX) SEC filings page aggregates the company’s regulatory disclosures as filed with the U.S. Securities and Exchange Commission. These documents provide detailed information on Magnachip’s business as a designer and manufacturer of analog and mixed-signal power semiconductor platform solutions for industrial, automotive, communication, consumer and computing applications.
Through its periodic and current reports, Magnachip furnishes quarterly financial results for its continuing operations, which include the Power Analog Solutions (PAS) and Power IC (PIC) businesses. Form 8‑K filings often attach earnings press releases that describe revenue, gross profit margin and operating results, along with commentary on trends in communications, computing and industrial markets and disclosures about discontinued operations such as the display business. These filings also explain how the company presents non‑GAAP measures and separates revenue from its former Transitional Fab 3 foundry services.
Magnachip’s 8‑K and 8‑K/A filings further document corporate governance and executive changes, including the appointment of an Interim Chief Executive Officer, related consulting and executive service agreements, separation agreements with departing executives and the retirement of directors. Other filings summarize outcomes of the annual meeting of stockholders, such as director elections, advisory votes on executive compensation and ratification of the independent registered public accounting firm.
On Stock Titan, investors can access these MX filings as they are made available through EDGAR and use AI-powered summaries to interpret key points from lengthy documents, including quarterly reports, annual reports and current reports on material events. The filings page also helps users track governance-related disclosures and other regulatory information that may be relevant to evaluating Magnachip’s power semiconductor business.
Magnachip Semiconductor reports an amendment to a Schedule 13G disclosing that Toro 18 Holdings LLC beneficially owned 1,500,135 shares of common stock as of the close of business on March 20, 2026. That stake represented approximately 4.1% of the class based on 36,440,854 shares outstanding as of March 13, 2026.
The filing states that Immersion Corporation (the sole member of Toro 18), William C. Martin (Chief Strategy Officer of Toro 18) and Eric Singer (President and CEO of Toro 18) may be deemed to beneficially own the same 1,500,135 shares through shared voting and dispositive power. Each of the Reporting Persons disclaims beneficial ownership of shares held by another Reporting Person.
Magnachip Semiconductor director Nathan E. Gilbert reported an open-market purchase of 21,994 shares of Common Stock on behalf of GT Investments II Corp at $2.8667 per share. After this buy, GT Investments II Corp holds 158,200 shares indirectly, while Gilbert also holds 214,491 shares directly and additional smaller indirect positions through his spouse and children.
Magnachip Semiconductor Corporation reported 2025 revenue of $178.9 million from its power semiconductor business and a net loss of $29.7 million, with an operating loss of $35.9 million and negative Adjusted EBITDA of $15.6 million from continuing operations.
The company has exited its Display business and completed liquidation of its Magnachip Mixed-Signal subsidiary on October 29, 2025, becoming a pure-play power semiconductor provider focused on Power Analog Solutions and Power IC products. Power Analog Solutions contributed 89.7% of 2025 revenue and Power IC 10.3%.
Magnachip serves global electronics, automotive and industrial markets but faces risks from semiconductor cyclicality, customer concentration, currency fluctuations, manufacturing scale limits, labor unions in Korea and evolving environmental and safety regulations. As of March 13, 2026, it had 36,440,854 common shares outstanding and non‑affiliate equity market value of $139,249,768.
MAGNACHIP SEMICONDUCTOR Corp director Nathan Gilbert E reported open-market purchases of Common Stock through an affiliated entity. GT Investments II Corp bought 25,000 shares on 2026-03-12 at $2.7470 per share and 13,006 shares on 2026-03-13 at $2.7871 per share.
After these transactions, GT Investments II Corp held 136,206 shares. The filing also shows 214,491 shares held directly, and additional indirect holdings of 1,905 shares by spouse and 1,690, 1,675 and 1,860 shares held by children.
Magnachip Semiconductor reported weaker results for Q4 and full-year 2025 as demand and margins softened in its Power Solutions business. Q4 2025 revenue from continuing operations was $40.6 million, down 11.7% sequentially and 20.7% year-over-year, with consolidated gross margin falling to 9.3% from 21.7% a year earlier.
The company posted a Q4 operating loss of $12.4 million and a loss from continuing operations of $8.8 million, or $0.24 per share. For 2025, revenue declined to $178.9 million, while operating loss widened to $35.9 million. Management highlighted 55 new products launched, cost reduction actions, and a strategic IGBT agreement, and guided Q1 2026 revenue to $44–48 million with gross margin of 14–16%.
Magnachip Semiconductor Corp director Nathan Gilbert E reported receiving a grant of 1,478 shares of common stock on February 15, 2026 at a price of $0.00 per share, described as a grant, award, or other acquisition. After this award, he directly holds 214,491 common shares.
The filing also reports indirect beneficial ownership of Magnachip common stock through related parties, including 98,200 shares by GT Investments II Corp, and additional smaller holdings reported as owned by his spouse and children.
Chung Kyo-Hwa Liz reported acquisition or exercise transactions in a Form 4 filing for MX. The filing lists transactions totaling 2,946 shares. Following the reported transactions, holdings were 100,789 shares.
Magnachip Semiconductor director Cristiano Amoruso reported an equity grant. On February 15, 2026, he acquired 28,628 shares of common stock in a grant, at a reported price of $0 per share. After this transaction, he directly holds 28,628 shares and indirectly holds 3,072,779 shares through Byreforge LLC.
Clearline Capital reports a 4.1% passive stake in Magnachip Semiconductor Corporation. As of December 31, 2025, Clearline Capital LP, Clearline Capital LLC and Marc Majzner together report beneficial ownership of 1,461,036 shares of Magnachip common stock.
The filing calculates this 4.1% interest using 35,981,823 common shares reported as issued and outstanding as of October 31, 2025 in Magnachip’s Form 10-Q. All reported shares are held with shared voting and dispositive power, and the filers certify the investment is held in the ordinary course and not for the purpose of changing or influencing control of the company.
Magnachip Semiconductor Corp received an updated Schedule 13G indicating that institutional investor Systematic Financial Management no longer holds a reportable stake in the company. As of 12/31/2025, Systematic reports beneficial ownership of 0 shares of Magnachip common stock, representing 0.0% of the class.
The filing confirms that Systematic’s aggregate holdings in this security are now less than 5%. It also certifies that any securities referenced were acquired and held in the ordinary course of business, without the purpose or effect of changing or influencing control of Magnachip.