Castellum Reminds Stockholders to Submit Their Vote at Its Upcoming 2026 Annual Meeting

VIENNA, Va., May 18, 2026 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) (“Castellum” “CTM”, “we” or the “Company”), a cybersecurity, electronic warfare, and software services company focused on the federal government, today reminds stockholders that its 2026 Annual Meeting of Stockholders (“2026 Annual Meeting”) will be held on Tuesday, May 19, 2026 at 10:00 a.m.