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 director Amoruso Cristiano filed an initial ownership statement reporting 3,072,779 shares of common stock held indirectly through Byreforge LLC.
The filing lists these shares as indirectly beneficially owned, with Byreforge LLC shown as the holder of record. A footnote explains that, due to his relationship with Byreforge LLC, Amoruso Cristiano may be deemed to beneficially own the shares but disclaims beneficial ownership except to the extent of any pecuniary interest.
MagnaChip Semiconductor Corp shareholder Byreforge LLC, together with Cristiano Amoruso, reports beneficial ownership of 3,072,779 shares of common stock, representing 8.5 % of the company’s outstanding common shares. All of these shares are reported with shared voting and dispositive power. On January 14, 2026, MagnaChip’s board of directors appointed Cristiano Amoruso as a director to serve until the 2026 annual meeting or until a successor is elected. He was also appointed to the board’s Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee, giving this 8.5 % holder direct representation in key oversight roles.
MagnaChip Semiconductor Corp shareholder Byreforge LLC, together with Cristiano Amoruso, reports beneficial ownership of 3,072,779 shares of common stock, representing 8.5 % of the company’s outstanding common shares. All of these shares are reported with shared voting and dispositive power. On January 14, 2026, MagnaChip’s board of directors appointed Cristiano Amoruso as a director to serve until the 2026 annual meeting or until a successor is elected. He was also appointed to the board’s Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee, giving this 8.5 % holder direct representation in key oversight roles.
Magnachip Semiconductor Corporation reported that its Board of Directors appointed Cristiano Amoruso as a new director effective January 14, 2026. He will serve on the Board until the 2026 Annual Meeting of Stockholders or until a successor is chosen, and will also sit on the Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee. The company states that Amoruso will participate in its independent director compensation program under the existing Director Compensation Policy.
The company notes there have been no transactions since the beginning of its last fiscal year in which Amoruso had a direct or indirect material interest above $120,000, and there is no arrangement or understanding with any person regarding his selection as a director. On January 20, 2026, Magnachip issued a press release announcing his election, which is furnished as an exhibit to this report.
Magnachip Semiconductor Corporation reported that its Board of Directors appointed Cristiano Amoruso as a new director effective January 14, 2026. He will serve on the Board until the 2026 Annual Meeting of Stockholders or until a successor is chosen, and will also sit on the Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee. The company states that Amoruso will participate in its independent director compensation program under the existing Director Compensation Policy.
The company notes there have been no transactions since the beginning of its last fiscal year in which Amoruso had a direct or indirect material interest above $120,000, and there is no arrangement or understanding with any person regarding his selection as a director. On January 20, 2026, Magnachip issued a press release announcing his election, which is furnished as an exhibit to this report.
Magnachip Semiconductor Corporation reported that board member Ilbok Lee has decided to retire and resign from its Board of Directors and all related committee positions. His resignation will be effective at the company’s next scheduled board meeting on January 14, 2026.
The company states that Dr. Lee’s decision to retire is for personal reasons and is not due to any disagreement with Magnachip on its operations, policies, or practices. The filing also notes that a related press release dated January 14, 2026 is included as an exhibit.
MAGNACHIP SEMICONDUCTOR Corp insider Shin Young Park, Chief of Manufacturing, reported multiple equity transactions in company common stock. On 08/15/2025, Park acquired 30,750 shares at a stated price of $0, and on 12/31/2025, an additional 7,000 shares vested at $2.55 per share. Several transactions coded “F” on the same date reflect the issuer withholding 3,333, 2,778, 4,761, and 4,880 shares to cover tax obligations tied to earlier stock awards. After these moves, Park beneficially owns 128,201 shares directly. The filing also reports 15,375 performance-based restricted stock units, each linked to one share and vesting based on the company’s share price performance up to a target level by 01/31/2028.
Magnachip Semiconductor Corp. reported insider equity activity by its Chief Financial Officer, Shin Young Park. On 12/31/2025, the company withheld shares of common stock to cover the CFO's tax obligations arising from vesting awards. The issuer withheld 6,121 shares from a vesting of 12,508 shares originally granted on February 16, 2023, 12,234 shares from a vesting of 25,000 shares granted on June 1, 2024, and 17,977 shares from a vesting of 36,736 shares granted on June 1, 2025, each at a price of $2.55 per share. After these transactions, the reporting person beneficially owned 215,454 shares of common stock directly. These withholdings are routine administrative transactions to satisfy tax liabilities rather than open-market purchases or sales.
Magnachip Semiconductor Corp. (MX) received a new Schedule 13D filing from Byreforge LLC and its managing partner, Cristiano Amoruso, disclosing an activist equity stake. Byreforge directly owns 3,072,779 shares of common stock, representing 8.5% of Magnachip’s outstanding shares as of October 31, 2025. The filing states an aggregate purchase price of approximately $8,404,195, funded with Byreforge’s working capital.
The investors say they bought the stock because they believe it was undervalued and an attractive opportunity. They have already engaged, and expect to continue to engage, in discussions with management and the board about value creation, board representation, board composition, capital structure, and potential business combinations or asset sales. The filing emphasizes that their plans may change and that they could buy more shares, sell shares, or use derivatives or hedging strategies depending on market conditions and the company’s performance.
Magnachip Semiconductor Corp. director reports stock acquisition
A director of Magnachip Semiconductor Corp. (MX) reported acquiring 3,160 shares of common stock on 11/15/2025 at a stated price of $0.00 per share, which typically reflects a grant rather than an open-market purchase. Following this transaction, the director beneficially owns 97,843 shares of Magnachip common stock in direct ownership. This filing is a routine Form 4 disclosure of insider equity activity and does not, by itself, describe any change to the company’s operations or financial results.
Magnachip Semiconductor Corp (MX) reported a Form 4 showing a director acquired 6,320 shares of common stock on 11/15/2025 at a price of $0.00 per share. After this transaction, the director beneficially owns 213,013 shares directly, plus additional indirect holdings of common stock through GT Investments II Corp, a spouse, and children.
Magnachip Semiconductor (MX) reported Q3 2025 results as it transitions to a pure-play Power business. Revenue was $45.946M, all from Power solutions, with gross profit of $8.541M. Operating loss widened to $11.538M and net loss was $13.090M. Discontinued operations from the Display business contributed an additional $2.481M loss.
Cash and cash equivalents were $108.005M at September 30, 2025. Year-to-date operating cash flow was $(29.639)M, reflecting losses, inventory build and severance payments. Long-term borrowings rose to $38.935M, including CAPEX loans of $10.408M maturing in 2035.
The Board approved shutting down the Display business; management expects about $20M of cash inflow over roughly two years from EOL product sales and IP monetization, against total liquidation costs of $12–$15M, including $6.5M severance already paid and $6.5M contract termination charges to be paid over remaining terms. One customer represented 32.6% of Q3 Power sales. The company repurchased 1,093,748 shares for $3.6M year-to-date. Shares outstanding were 35,981,823 as of October 31, 2025.