Filing Flows › Castellum (CTM) › Q2 2026
Castellum (CTM) Q2 2026 earnings results (second quarter 2026)
10-Q filed Aug 6, 2026
Castellum (CTM) reported revenue of $13.9M for the second quarter 2026 (Q2 2026), -1% from a year earlier and -3% from the quarter before. Operating margin was -7.9%, net loss $1.0M (7.4% of revenue).
Castellum, Q2 2026: revenue $13.9M (-1% year over year), operating margin -7.9%, net loss $1.0M, operating cash flow $1.1M. The chart follows the revenue to costs, profit and cash.
| Q2 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $13.9M | -3% | -1% |
| Operating profit | −$1.1M | — | — |
| Net earnings | −$1.0M | — | — |
| Operating cash flow | $1.1M | -18% | +395% |
| Free cash flow | $1.0M | -19% | +791% |
What changed
Revenue was $13.9M in Q2 2026, down 1% year over year and down 3% from the previous quarter.
Gross margin was 34.0%, down 2.0 points from Q2 2025. Operating costs exceeded revenue by $1.1M, an operating margin of -7.9%. Operating expenses grew 7% against a revenue fall of 1%. The quarter ended with a net loss of $1.0M, wider than the previous quarter's $351K loss.
Operating cash flow was $1.1M (up 395% year over year). Non-cash charges added back $324K of depreciation and amortization and $756K of share-based compensation. Working capital and other items added $1.0M. Capital expenditures of $17K left free cash flow of $1.0M.
Questions
What was Castellum's revenue in the second quarter 2026?
Castellum (CTM) reported revenue of $13.9M for the second quarter 2026 (Q2 2026), -1% from a year earlier and -3% from the quarter before.
Was Castellum profitable in the second quarter 2026?
Operating loss was $1.1M (-7.9% of revenue) and net loss $1.0M.
Source: Castellum 10-Q on SEC EDGAR.