Magnachip Semiconductor filings document the reporting and governance records of a Delaware company with common stock listed on the New York Stock Exchange under MX. Its 8-K reports furnish quarterly and annual financial information for continuing operations, including Power Analog Solutions and Power IC, and include exhibits describing product launches and operating highlights in power semiconductors.
The filing record also covers proxy and governance matters, including executive compensation, pay-versus-performance disclosures, board and committee changes, director compensation arrangements, and executive service or separation agreements involving the company and its Korean operating subsidiary, Magnachip Semiconductor, Ltd. These disclosures connect capital-structure, leadership and compensation matters to the company’s semiconductor operating business.
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.
Magnachip Semiconductor Corporation furnished financial information for the third quarter ended September 30, 2025. The company submitted a press release dated November 3, 2025 as Exhibit 99.1, providing results for the quarter.
The disclosure under Item 2.02, including Exhibit 99.1, is being furnished and is not deemed “filed” under the Exchange Act, nor incorporated by reference under the Securities Act except as specifically referenced.
Camillo Martino, identified as a Director and an Officer (listed as Chairman and CEO in remarks), reported an insider grant on 10/01/2025. The Form 4 shows an award of 105,484 restricted stock units (RSUs) granted with a reported price of $0.00, increasing his direct beneficial ownership to 364,611 shares. The RSUs vest in full on the earlier of August 11, 2026 or a Change of Control as defined under the company plan. The filing also discloses 40,000 shares held indirectly by trust. The form is signed and dated 10/03/2025.
Magnachip Semiconductor Corporation filed an amended report to add details of new agreements with Interim Chief Executive Officer Camillo Martino. The company entered into a Consulting Agreement under which he receives cash compensation of $387,504 per year, paid monthly, plus a grant of 105,484 restricted stock units. These RSUs vest in full on the earlier of August 11, 2026 or a change of control, under the company’s 2020 equity plan.
Separately, Magnachip Semiconductor, Ltd., the Korean subsidiary, signed an Executive Service Agreement appointing Martino as its Representative Director effective August 12, 2025. For this role he will receive total cash compensation of $112,500, paid monthly, starting on the later of November 1, 2025 or Korean work permit approval and ending by August 10, 2026 or when a new Representative Director starts.