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UNION SEMICONDUCTOR (HEFEI) CO., LTD. — Investor Relations & Filings

Ticker · 688403 ISIN · CNE100005PP0 Shanghai Stock Exchange Manufacturing
Open in API
Filings indexed 605 across all filing types
Latest filing 2026-05-27 Transaction in Own Shar…
Country CN China
Listing Shanghai Stock Exchange 688403

About UNION SEMICONDUCTOR (HEFEI) CO., LTD.

http://www.unionsemicon.com.cn/

Union Semiconductor (Hefei) Co., Ltd. is an integrated circuit design enterprise specializing in high-performance analog and mixed-signal solutions. The company focuses on the research, development, and distribution of power management integrated circuits (PMICs), including DC-DC converters, linear regulators (LDOs), and battery management systems. Its product portfolio also encompasses signal chain components, interface ICs, and specialized drivers. These products are engineered for applications across consumer electronics, industrial automation, telecommunications, and automotive electronics. By prioritizing technical innovation and high-efficiency design, the company provides reliable semiconductor components characterized by low power consumption and compact form factors, supporting the requirements of advanced electronic systems and power-sensitive applications.

Recent filings

Filing Released Lang Actions
关于以集中竞价交易方式回购公司股份方案的公告
Transaction in Own Shares Classification · 95% confidence The document is a formal announcement by the company’s board regarding a share repurchase plan via centralized bidding, detailing purchase amount, funding source, purpose, price, timing, procedural authorizations, and related risk disclosures. This directly corresponds to a transaction in own shares (share buyback).
2026-05-27 Chinese
第二届董事会第二十一次会议决议公告
Transaction in Own Shares Classification · 83% confidence The document is a board resolution announcement from the company’s Board of Directors approving a share repurchase plan (use of funds to buy back A‐shares up to a specified amount). This is not a change in management, nor an AGM information, but a transaction in own shares. According to the taxonomy, share repurchase plans fall under “Transaction in Own Shares (POS).”
2026-05-27 Chinese
关于放弃增资优先认购权暨关联交易的公告
Capital/Financing Update Classification · 90% confidence The document is an official Shanghai Stock Exchange announcement titled “关于放弃增资优先认购权暨关联交易的公告” detailing a related‐party capital increase, waiver of pre‐emptive rights, approval procedures, transaction amounts and impact on shareholdings. It provides substantive information on a financing arrangement and changes in capital structure rather than just noting availability of a report. This fits the Capital/Financing Update category.
2026-05-22 Chinese
国泰海通证券股份有限公司关于合肥新汇成微电子股份有限公司放弃增资优先认购权暨关联交易的核查意见
Regulatory Filings Classification · 80% confidence The document is the sponsor’s due-diligence opinion (“核查意见”) on a related-party transaction whereby the company and its affiliate waive their preemptive subscription rights in a capital increase of an investee. It is not the company’s own annual/quarterly report, earnings release, board/management change, proxy or dividends announcement. It does not contain standalone audit data, nor is it a presentation or financial supplement. Rather, it is a compliance/regulatory filing detailing review procedures and sponsor opinions on the transaction. No specific category for related-party transaction opinions exists, so it falls into the fallback category for general regulatory announcements and compliance filings: RNS.
2026-05-22 Chinese
合肥新汇成微电子股份有限公司2026年第一次临时股东会法律意见书
Proxy Solicitation & Information Statement Classification · 85% confidence The document is a formal legal opinion letter by a law firm addressed to Hefei Xincheng Microelectronics Co., Ltd. concerning the convening, agenda items, voting procedures, and legality of the company’s 2026 first extraordinary shareholders’ meeting. It is prepared as part of the materials for the meeting, verifying compliance with laws and the company’s articles. This type of legal opinion typically accompanies a proxy statement or information circular sent to shareholders to inform and solicit votes. Therefore, it best fits the Proxy Solicitation & Information Statement category (PSI).
2026-05-18 Chinese
关于收到安徽证监局行政监管措施决定书的公告
Regulatory Filings Classification · 87% confidence The document is a public announcement by Hefei Xinhui Cheng Microelectronics Co., Ltd. that it has received an administrative regulatory measures decision (warning letters and supervisory talks) from the Anhui Securities Regulatory Bureau. This is a regulatory compliance announcement regarding an administrative sanction rather than a financial report, earnings release, or management change. It does not fit specialized categories like board changes, dividends, financing updates, or investor materials. It is best classified under Regulatory Filings (RNS) as a general regulatory announcement and compliance document.
2026-05-15 Chinese

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