The company's stock is listed on the New York Stock Exchange under the ticker symbol (NYSE: UMC ). The information for this article is based on a press release statement. In other recent news, United Microelectronics Corporation (UMC) has filed a Form 6-K with the United States Securities and Exchange Commission (SEC). This filing, a standard requirement for foreign issuers, was signed by UMC's Chief Financial Officer, Chitung Liu. The document does not include specific financial figures or operational results but is part of UMC's routine disclosures to maintain transparency with investors and comply with U.S. securities laws. The company has also confirmed it will continue to file annual reports under Form 20-F, which is designated for foreign private issuers. This adherence to international reporting standards ensures that UMC provides necessary disclosures to the market.