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LONTIUM SEMICONDUCTOR CORPORATION — Investor Relations & Filings

Ticker · 688486 ISIN · CNE100005ZP9 Shanghai Stock Exchange Manufacturing
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Filings indexed 423 across all filing types
Latest filing 2026-05-22 Investor Presentation
Country CN China
Listing Shanghai Stock Exchange 688486

About LONTIUM SEMICONDUCTOR CORPORATION

https://www.lontiumsemi.com/

Lontium Semiconductor Corporation is a fabless semiconductor company specializing in the design and marketing of high-speed interface chips, mixed-signal integrated circuits, and advanced video processing solutions. The company’s product portfolio includes a wide range of interface bridges, switches, and signal extenders supporting standards such as HDMI, DisplayPort, MIPI, USB/Type-C, and LVDS. These components are engineered to facilitate high-definition video transmission and high-speed data communication across various platforms. Lontium’s solutions are integrated into consumer electronics, including televisions and monitors, as well as automotive infotainment systems, virtual and augmented reality devices, and industrial display applications. The company focuses on delivering high-performance, low-power connectivity solutions that address the evolving requirements of the global display and communication markets.

Recent filings

Filing Released Lang Actions
龙迅股份关于召开2026年第一季度业绩说明会的公告
Investor Presentation Classification · 75% confidence The document is a notice by Lontium Semiconductor (龙迅半导体) announcing the date, time, location, and participation details of its 2026 Q1 earnings explanation meeting (业绩说明会). It does not contain financial results itself (those were disclosed on April 14, 2026). It is not an earnings release or the report itself, nor an officer certification. Instead, it is an investor event announcement where management will present and discuss financial performance. The closest fit is Investor Presentation (IP), covering presentations and interactive sessions for investors.
2026-05-22 Chinese
龙迅股份关于劳动仲裁的进展公告
Legal Proceedings Report Classification · 95% confidence The document is a public announcement by 龙迅半导体（合肥）股份有限公司 regarding the progress of a labor arbitration and subsequent litigation involving the company and its subsidiary. It details the stages of the arbitration and court proceedings, the parties involved, the claims, and the potential financial impact on the company. The document does not contain financial statements or detailed financial analysis but serves to inform shareholders and the public about ongoing legal proceedings and their potential impact. It is a regulatory announcement about legal proceedings rather than a full legal report or financial report. Therefore, it fits best under the category of Legal Proceedings Report (LTR).
2026-05-08 Chinese
龙迅股份关于2024年限制性股票激励计划第二类限制性股票首次授予第二个归属期及预留授予第一个归属期归属结果暨股份上市公告
Share Issue/Capital Change Classification · 95% confidence The document is an announcement regarding the listing and registration of shares related to a 2024 restricted stock incentive plan. It details the decision-making process, the number of shares granted and vested, the listing date, and the impact on share capital and earnings per share. It includes references to board meetings, shareholder approvals, and regulatory compliance. The document is a formal announcement of share issuance and listing related to an equity incentive plan, not a full financial report or audit. It does not contain comprehensive financial statements or detailed financial analysis. The document is also not a proxy solicitation, dividend notice, or management change announcement. Given the focus on share issuance and listing, this fits best under the category of Share Issue/Capital Change (SHA). The document length and detail confirm it is not a brief report publication announcement or a regulatory filing. Therefore, the classification is SHA with high confidence.
2026-05-07 Chinese
龙迅股份2025年度独立董事述职报告（解光军-已离任）
Board/Management Information Classification · 95% confidence The document is titled as an "Independent Director's Work Report" for the year 2025 by an independent director of Longsys Semiconductor (Hefei) Co., Ltd. It details the director's background, attendance at board and committee meetings, communication with auditors, oversight of financial reports, and other governance-related activities during the year. It includes no financial statements or detailed financial data but focuses on the director's duties, compliance with laws, and governance oversight. This type of document is a report by a board member on their activities and governance role, not a full annual report, audit report, or financial statement. It is not an announcement or a brief notice but a substantive report on board/management information, specifically about the independent director's role and activities. Therefore, the most appropriate classification is Board/Management Information (MANG).
2026-04-09 Chinese
龙迅股份2025年度会计师事务所履职情况评估报告
Audit Report / Information Classification · 95% confidence The document is titled as an evaluation report on the performance of the accounting firm (auditor) for the fiscal year 2025. It details the auditor's qualifications, audit scope, and the auditor's opinion on the company's 2025 financial statements and internal controls. The document includes an audit opinion stating the financial statements fairly present the company's financial position and results, and mentions the auditor issued an unqualified (clean) audit report. This is a standalone audit report focused on the auditor's performance and audit results, not the full annual report itself. The document length is 1763 characters, which is relatively short but contains substantive audit information and evaluation, not just an announcement or certification. Therefore, it fits the category of Audit Report / Information (AR). FY 2025
2026-04-09 Chinese
龙迅股份2025年度内部控制评价报告
Audit Report / Information Classification · 95% confidence The document is titled as an "Internal Control Evaluation Report" for the year 2025 by 龙迅半导体（合肥）股份有限公司. It discusses the evaluation of the company's internal control effectiveness as of December 31, 2025, including financial and non-financial internal control defects, audit opinions, and corrective actions. The content is detailed and specific to internal control evaluation rather than a full annual report or audit report. It is not a brief announcement or a certification letter but a substantive report on internal control evaluation. This type of document aligns best with an Audit Report / Information (AR) category, as it focuses on internal control evaluation and audit-related findings, distinct from a full Annual Report (10-K) or other categories. FY 2025
2026-04-09 Chinese

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