Castellum, Inc. 8-K

What Happened

• On May 8, 2026 Castellum, Inc. announced financial results for the three months ended March 31, 2026 via a press release (attached as Exhibit 99.1 to the Form 8-K). On May 13, 2026 the company posted an investor presentation to its website (attached as Exhibit 99.2). The Form 8-K was signed by CEO Glen R. Ives on May 13, 2026.

Key Details

• Press release announcing Q1 results: dated May 8, 2026 (Exhibit 99.1).
• Reporting period: three months ended March 31, 2026.
• Investor presentation posted to https://castellumus.com and filed as Exhibit 99.2 on May 13, 2026.
• Presentation may be used in investor/analyst meetings and contains forward‑looking statements; company is not obligated to update it.

Why It Matters

• This 8-K is the company’s official disclosure that Q1 2026 results have been released and that related investor materials are available. Retail investors should review the press release and investor presentation for revenue, earnings, guidance, or other metrics that could affect valuation or near‑term trading decisions. The filing does not itself provide the numeric results — those are in the attached exhibits.