Summary by Moomoo AI
AT&T Inc. has filed definitive additional materials with the United States Securities and Exchange Commission (SEC) as part of its proxy statement process, according to a Schedule 14A document. The filing, which is a standard procedure under Section 14(a) of the Securities Exchange Act of 1934, indicates that AT&T is preparing for upcoming actions that require shareholder votes. The document confirms that no filing fee is required for this submission. This step is part of the company's regular governance and shareholder engagement practices.