Chief Operating Officer Andrew Merriman of Castellum, Inc. reported a personal purchase of 2,000 shares of the companys common stock on March 27, 2026, at a price of $0.6426 per share. The disclosed transaction totaled $1,285. Following the trade, Merriman directly holds 536,000 shares of Castellum.
The insider purchase takes place as the stock trades near its 52-week low of $0.65 and was quoted at $0.62 at the time of the report. That price level reflects a 12.6% decline over the prior week, according to the information released alongside the filing.
Analysis cited in the disclosure notes that the stock appears undervalued at current levels, with analysts forecasting a return to profitability this year. The report points investors to a Pro Research Report on CTM for more detailed coverage, one among the suite of reports available for U.S. equities.
Balance sheet movement and cash position
In corporate filings, Castellum announced it has fully retired the $400,000 principal balance on its last remaining note payable. The company described this step as the end of its debt elimination process. The filings show a marked change in the companys financial position compared with July 2024, when Castellum reported carrying over $11 million in debt and roughly $2 million in cash. Current disclosures indicate the company now has no debt and more than $14 million in cash.
Contract win for subsidiary
Castellum also confirmed that its subsidiary, Specialty Systems, Inc., secured a $49.8 million contract to provide software support for the Naval Air Warfare Center Aircraft Division Lakehurst. The company described the award as a continuation of existing work with NAWCAD Lakehurst and noted it is the third consecutive contract win for SSI on this account.
Separate board change at Canterra Minerals
Also reported in the corporate notices was a governance change at Canterra Minerals Corporation. Matt Manson has been appointed to Canterras Board of Directors following the retirement of Michael Power. The filing describes Manson as a veteran of the mining industry with experience from leadership roles at Radisson Mining Resources Inc. and Marathon Gold Corporation.
Takeaway
The disclosures combine a modest insider purchase with material corporate developments: elimination of the companys remaining debt, a strengthened cash position, and a substantial service contract for a subsidiary focused on defense-related software support. Separately, the filing documents a board appointment at Canterra Minerals. The report also references analyst views and a Pro Research Report for investors seeking additional detail.