Castellum (CTM) Earnings Date & Reports

Key Takeaways

• Castellum reported third quarter 2026 revenue of $14.7 million, slightly below the consensus estimate of roughly $14.9 million and essentially flat compared with $14.6 million a year earlier.
• The company posted a GAAP net loss of $0.01 per share, roughly in line with analyst expectations.
• Total scheduled backlog declined to $254.5 million at September 30, 2026, down from $271.7 million at the end of the prior quarter.
• The qualified opportunity pipeline surged to approximately $1.66 billion, up sharply from $953.5 million three months earlier.
• The company maintained a debt-free balance sheet and a solid cash position heading into the fourth quarter.
• The stock declined sharply in after-hours trading following the November 5, 2026 release.
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Earnings Context and Why It Matters

Castellum is a defense technology services provider focused on cybersecurity, electronic warfare, and software services for U.S. government and commercial clients. Its third quarter results matter because they test whether the company can sustain the organic revenue growth and margin momentum it built through 2025, when it delivered its first-ever quarterly GAAP (Generally Accepted Accounting Principles) net income. After two quarters of rising backlog and record first-half revenue, investors were watching closely to see whether contract awards would convert into recognized revenue. The latest report showed a modest top-line miss and a slight decline in backlog, even as the company's opportunity pipeline expanded dramatically, leaving the market to weigh near-term execution against longer-term growth potential.

Reported Results

Castellum reported revenue of $14.7 million for the third quarter ended September 30, 2026, slightly below the consensus estimate of approximately $14.9 million and essentially flat versus the $14.6 million recorded in the year-ago quarter. Gross profit came in at about $5.3 million, compared with $5.5 million a year earlier, reflecting a gross margin near 36%.

The company posted a GAAP net loss of $0.01 per share, roughly in line with analyst expectations. On a nine-month basis, revenue reached approximately $42.9 million, up from $40.3 million in the same period of 2025, underscoring continued top-line expansion despite the quarterly softness.

Total scheduled backlog stood at $254.5 million as of September 30, 2026, consisting of $18.2 million in funded backlog and $236.3 million in unfunded backlog, down from $271.7 million at June 30, 2026. Notably, the qualified opportunity pipeline rose to approximately $1.66 billion, up from $953.5 million three months prior, signaling a much larger set of prospective awards ahead.

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Market Reaction and Investor Sentiment

Investor sentiment heading into the report was cautious, given that Castellum shares had already fallen more than 50% over the trailing twelve months and sat near their 52-week lows. The modest revenue shortfall and declining backlog reinforced those concerns, and the stock dropped sharply in after-hours trading following the November 5 release, briefly trading below $0.45 per share. The sharp pullback suggests investors were focused primarily on the top-line miss and the sequential decline in backlog, even as the company highlighted a dramatically expanded opportunity pipeline. The market's reaction reflects a degree of skepticism about how quickly that larger pipeline will translate into booked and funded contracts.

Forward Outlook and Key Factors to Monitor

Looking ahead, the central question for Castellum is execution: whether its substantially larger qualified opportunity pipeline can convert into awarded and funded contracts that restore backlog growth and drive recognized revenue. A rising pipeline without corresponding awards does little to change near-term financials, so investors should watch future contract announcements and backlog composition closely.

Cost discipline and margins remain another key area. The company has emphasized managing the business for positive cash flow rather than GAAP profitability, given the meaningful non-cash charges it absorbs. Maintaining gross margins near current levels while scaling revenue will be important for sustaining that strategy.

Finally, the broader defense and federal IT spending environment will shape demand. Castellum's focus on cybersecurity, electronic warfare, and mission-critical software positions it within priority areas of government spending, but timing of budget execution and contract awards can be uneven. Investors should monitor upcoming award announcements, backlog trends in the next quarterly release, and any commentary on M&A (mergers and acquisitions), which management has cited as a potential lever for long-term growth.

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