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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 608 across all filing types
Latest filing 2026-06-02 Regulatory Filings
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的回购报告书
Regulatory Filings
2026-06-02 Chinese
关于回购股份事项前十大股东和前十大无限售条件股东持股信息的公告
Regulatory Filings
2026-06-02 Chinese
关于向香港联合交易所有限公司递交H股发行并上市申请及刊发申请资料的公告
Share Issue/Capital Change Classification · 92% confidence The document is an announcement by the issuer regarding its submission of an application to list and issue H-shares (new shares) on the Hong Kong Stock Exchange, including links to the prospectus materials. This is not a full financial report, regulatory attestation, or unrelated update—it specifically concerns a new share issuance and capital change. Therefore, it matches the "Share Issue/Capital Change" category (SHA).
2026-05-29 Chinese
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

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