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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 603 across all filing types
Latest filing 2026-04-23 Delisting Announcement
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
关于实施“汇成转债”赎回暨摘牌的第八次提示性公告
Delisting Announcement Classification · 95% confidence The document is an official announcement from a company regarding the redemption and delisting of its convertible bonds. It includes detailed terms of the redemption, dates for redemption registration, last trading day, last conversion day, redemption price, and the subsequent delisting of the convertible bonds from the Shanghai Stock Exchange. The document is a formal notice to bondholders about the redemption process and the cessation of trading and conversion rights, as well as the delisting of the bonds. It does not contain financial statements, audit information, or detailed financial performance data. It is not a report but an announcement about a capital market event involving bond redemption and delisting. Therefore, the appropriate classification is a Delisting Announcement (DLST). The document length is 4061 characters, which is consistent with an announcement rather than a full report.
2026-04-23 Chinese
关于实施“汇成转债”赎回暨摘牌的第七次提示性公告
Delisting Announcement Classification · 95% confidence The document is a detailed announcement regarding the early redemption and delisting of a convertible bond (referred to as "汇成转债") issued by 合肥新汇成微电子股份有限公司. It includes specific dates for redemption registration, redemption price, last trading day, last conversion day, and the delisting date from the Shanghai Stock Exchange. The document also explains the conditions triggering the redemption, the calculation of accrued interest, the redemption procedure, tax implications, and risk warnings for investors. The content is focused on the redemption and subsequent delisting of the convertible bond, which is a capital market event related to the company's financing instruments. It is not a financial report, earnings release, or management discussion. It is not a general regulatory filing or a report publication announcement because it contains substantive information about the redemption and delisting event itself. Therefore, the most appropriate classification is a Delisting Announcement (DLST), as the document officially announces the removal of the convertible bond from the exchange following redemption.
2026-04-22 Chinese
关于股东权益变动触及1%刻度及实施“汇成转债”赎回暨摘牌的第六次提示性公告
Capital/Financing Update Classification · 95% confidence The document is a detailed announcement regarding the conditional redemption and delisting of the company's convertible bonds (referred to as "汇成转债"). It includes specific dates for redemption registration, last trading day, last conversion day, redemption price calculations, and the process of redemption and delisting from the Shanghai Stock Exchange. It also discusses the impact on shareholders' equity due to bond conversion and the resulting dilution of controlling shareholders' stakes. The document is regulatory in nature, providing detailed information about a capital event (bond redemption and delisting) and shareholder equity changes. It is not a financial report, earnings release, or management discussion. It is not a simple announcement of a report publication but a substantive disclosure about a capital market event and shareholder equity changes. The key elements are the redemption of convertible bonds, the forced redemption price, the last trading and conversion dates, and the delisting of the convertible bonds from the exchange. This fits best under the category of Capital/Financing Update (CAP) because it concerns financing instruments (convertible bonds), their redemption, and delisting, which affects the company's capital structure. Although there is mention of delisting of the convertible bonds, the primary focus is on the redemption and capital structure update rather than a stock delisting announcement (which would be DLST). The equity dilution information is related to shareholding changes but is a consequence of the bond conversion, reinforcing the capital/financing nature of the document. Therefore, the most appropriate classification is CAP with high confidence.
2026-04-21 Chinese
关于实施“汇成转债”赎回暨摘牌的第五次提示性公告
Delisting Announcement Classification · 95% confidence The document is a detailed announcement regarding the early redemption and delisting of a convertible bond (referred to as "汇成转债") issued by 合肥新汇成微电子股份有限公司. It includes specific dates for redemption registration, last trading day, last conversion day, redemption price calculation, tax implications, and risk warnings related to the redemption and delisting process. The document is not a financial report, earnings release, or management discussion but rather a formal notice about the redemption and subsequent delisting of the convertible bond from the Shanghai Stock Exchange. The key phrases such as "赎回" (redemption), "摘牌" (delisting), and the detailed procedural and risk information confirm this is a Delisting Announcement. The document length is 4231 characters, which is sufficient for a full announcement rather than a brief notice. Therefore, the appropriate classification is DLST (Delisting Announcement).
2026-04-20 Chinese
关于实施“汇成转债”赎回暨摘牌的第四次提示性公告
Delisting Announcement Classification · 100% confidence The document is a detailed announcement regarding the early redemption and delisting of a convertible bond (referred to as "汇成转债") issued by 合肥新汇成微电子股份有限公司. It includes specific dates for redemption registration, last trading day, redemption price, and the delisting date from the Shanghai Stock Exchange. The document also explains the redemption terms, calculation of accrued interest, procedures, tax implications, and risk warnings for investors. The content is focused on the redemption and subsequent delisting of the convertible bond, which is a capital market event involving the removal of the bond from trading on the exchange. The document is not a financial report, earnings release, or management discussion, but an official notice about the bond's redemption and delisting. Therefore, the most appropriate classification is a Delisting Announcement (DLST). The document length (4192 characters) is sufficient to be the announcement itself, not just a brief notice or report publication announcement.
2026-04-17 Chinese
关于放弃增资优先认购权暨关联交易的公告
Capital/Financing Update Classification · 95% confidence The document is an official announcement from a listed company (Hefei Xinhui Microelectronics Co., Ltd.) regarding the waiver of preemptive rights for capital increase and related party transactions involving its associate company Hefei Xinfeng Technology Co., Ltd. It details the transaction background, parties involved, shareholding changes, board approvals, and regulatory compliance. The document is a formal disclosure of a specific corporate action related to capital increase and associated party transactions, not a full financial report or earnings release. It is not a report publication announcement or a certification. The content fits the category of Capital/Financing Update (CAP) as it concerns changes in capital structure and financing activities, specifically the waiver of rights to subscribe to a capital increase and the related transaction details. The document length (9,348 characters) and detailed transaction information support this classification with high confidence.
2026-04-16 Chinese

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