Castellum Reminds Stockholders of 2026 Annual Meeting

Castellum, a cybersecurity, electronic warfare, and software services company, issued a reminder to its stockholders about its upcoming 2026 Annual Meeting of Shareholders. The meeting is scheduled for Tuesday, May 19, 2026, at 10:00 a.m. ET, and stockholders of record as of March 20, 2026, are eligible to attend and vote. Shareholders have the option to attend in person in Tysons, VA, or virtually via a live audio webcast. They are encouraged to vote their shares in advance using methods described in the proxy materials. Following the meeting, Castellum's management will host a presentation and a question-and-answer session, with the presentation materials available on the company's investor website. Additional information, including the agenda, proxy statement, and annual report, is accessible through the United States — United States Securities and Exchange Commission.