NYSEAMERICAN:CTM Castellum (CTM) Stock Price, News & Analysis $0.61 -0.02 (-2.99%) Closing price 09/28/2026 04:10 PM EasternExtended Trading$0.61 +0.00 (+0.16%) As of 09/28/2026 08:00 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisAnalyst ForecastsChartEarningsInsider TradesNews and TrendsOwnershipSEC Filings About Castellum Stock (NYSEAMERICAN:CTM) View Price History Chart DataSkip Price History Chart 1 Day 5 Days 30 Days 90 Days 1 Year Advanced 1 Day 1 Day 5 Days 30 Days 90 Days 1 Year Advanced Show volume Show extended hours Get Castellum alerts:Sign Up Key Stats Today's Range$0.60▼$0.6350-Day Range$0.57▼$0.8052-Week Range$0.48▼$1.36Volume561,445 shsAverage Volume569,488 shsMarket Capitalization$57.82 millionP/E RatioN/ADividend YieldN/APrice TargetN/AConsensus RatingHold Company Overview Castellum, Inc. is a U.S.-based provider of technology and professional services to government and commercial customers. The company focuses on cybersecurity, information technology, engineering, and intelligence-related services, supporting organizations that require secure systems and mission-critical technical expertise. Castellum’s offerings include cyber operations and information assurance, software and systems engineering, cloud and IT support, data and analytics services, and technical assistance for national security and other federal missions. Its work is primarily oriented toward the U.S. government and its agencies, with services delivered in support of domestic and national security operations. The company has expanded its capabilities through acquisitions of specialized government-services businesses and operates as a federal contractor serving customers across the United States. Castellum is headquartered in Maryland.AI Generated. May Contain Errors. Read More Castellum Stock Analysis - MarketRank™See Top-Rated MarketRank™ Stocks15th Percentile Overall ScoreCTM MarketRank™: Castellum scored higher than 15% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation. Analyst's Opinion1.2 / 5Analyst RatingHold Consensus RatingCastellum has received a consensus rating of Hold. The company's average rating score is 2.00, and is based on no strong buy ratings, no buy ratings, 1 hold rating, and no sell ratings.Amount of Analyst CoverageCastellum has only been the subject of 1 research reports in the past 90 days.Read more about Castellum's stock forecast and price target. Earnings and Valuation0.0 / 5Proj. Earnings GrowthN/A Price to Earnings Ratio vs. the MarketThe P/E ratio of Castellum is -30.50, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Earnings Ratio vs. SectorThe P/E ratio of Castellum is -30.50, which means that its earnings are negative and its P/E ratio cannot be compared to companies with positive earnings.Price to Book Value per Share RatioCastellum has a P/B Ratio of 1.61. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.Read more about Castellum's valuation and earnings. Short Interest3.0 / 5Short Interest LevelHealthy Percentage of Shares Shorted6.25% of the float of Castellum has been sold short.Short Interest Ratio / Days to CoverCastellum has a short interest ratio ("days to cover") of 8.4.Change versus previous monthShort interest in Castellum has recently decreased by 23.33%, indicating that investor sentiment is improving significantly. Dividend0.0 / 5Dividend StrengthN/A Dividend YieldCastellum does not currently pay a dividend.Dividend GrowthCastellum does not have a long track record of dividend growth. News and Social Media0.6 / 5News SentimentN/A Search Interest3 people have searched for CTM on MarketBeat in the last 30 days. Company Ownership3.2 / 5Insider TradingAcquiring Shares Net Insider BuyingOver the last three months, insiders have purchased a net $31,000.00 in company stock, which represents 0.0536% of the company's market cap.Insider Buying vs. Insider SellingIn the past three months, Castellum insiders have bought more of their company's stock than they have sold. Specifically, they have bought $31,000.00 in company stock and sold $0.00 in company stock.Percentage Held by Insiders8.41% of the stock of Castellum is held by insiders.Percentage Held by Institutions3.39% of the stock of Castellum is held by institutions.Read more about Castellum's insider trading history. Receive CTM Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Castellum and its competitors with MarketBeat's FREE daily newsletter. 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CTM Stock News HeadlinesInsider Buying: Castellum (NYSEAMERICAN:CTM) COO Acquires $31,000.00 in StockSeptember 10, 2026 | insidertrades.comCastellum to Present at the H.C. Wainwright Global Investment Conference on September 15September 9, 2026 | markets.businessinsider.comSmall Colorado Company (Backed by Sam Altman) Could Save U.S. Power GridA small Colorado company has secured rights to technology that could prevent the U.S. public power grid from collapsing — and billionaire Sam Altman is now an investor. This under-the-radar firm is drawing serious attention from those watching the energy infrastructure space closely. | Altimetry (Ad)Castellum's GTMR Secures $32.8 Mln Naval Air Systems Modification Contract, Shares UpAugust 31, 2026 | rttnews.comCastellum Announces $32.8 Million NAVAIR Contract Modification, Increasing GTMR’s PMA-290 Special Missions Contract Ceiling to $136.2 MillionAugust 31, 2026 | markets.businessinsider.comCastellum Inc (CTM) RatiosAugust 28, 2026 | uk.investing.comCastellum Announces Second Quarter and First Half 2026 Financial ResultsAugust 7, 2026 | markets.businessinsider.comCastellum Schedules Second Quarter 2026 Earnings Release and Conference CallJuly 31, 2026 | globenewswire.comSee More Headlines CTM Stock Analysis - Frequently Asked Questions How have CTM shares performed this year? Castellum's stock was trading at $0.9032 on January 1st, 2026. Since then, CTM shares have decreased by 32.5% and is now trading at $0.61. How were Castellum's earnings last quarter? Castellum, Inc. (NYSEAMERICAN:CTM) released its quarterly earnings data on Thursday, August, 6th. The company reported ($0.01) earnings per share (EPS) for the quarter, missing the consensus estimate of $0.01 by $0.02. The company had revenue of $13.86 million for the quarter, compared to the consensus estimate of $16 million. Castellum had a negative trailing twelve-month return on equity of 6.32% and a negative net margin of 4.13%. Read the conference call transcript. Who are Castellum's major shareholders? Top institutional investors of Castellum include Two Sigma Securities LLC (0.04%). Insiders that own company stock include Jay O Wright, Mark C Fuller and Andrew Merriman. View institutional ownership trends. How do I buy shares of Castellum? Shares of CTM stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. What other stocks do shareholders of Castellum own? Based on aggregate information from My MarketBeat watchlists, some other companies that Castellum investors own include SES AI (SES), Cleanspark (CLSK), IonQ (IONQ), Opendoor Technologies (OPEN), Company Calendar Last Earnings8/06/2026Today9/28/2026Next Earnings (Estimated)11/06/2026Fiscal Year End12/31/2026Get Stock Alerts Health Indicator TradeSmith's Health IndicatorA long-term volatility-based measure designed for securities held 12 months or longer.Green: Strong and healthy uptrend with normal pullbacks.Yellow: Significant pullback but still within expected volatility.Red: Dropped beyond expected volatility; considered unhealthy. Yellow Zone (9m+) 1-Year History Sep 25 Dec 25 Mar 26 Jun 26 Sep 26 CTM's financial health is in the Yellow zone, according to TradeSmith. CTM has been in this zone for over 9 months. Industry, Sector and Symbol Stock ExchangeNYSEAMERICAN SectorIndustrials Industry Professional Services Sub-IndustryResearch & Consulting Services Current SymbolNYSEAMERICAN:CTM CIK1877939 Webwww.castellumus.com Phone(703) 752-6157FaxN/AEmployees244Year FoundedN/AProfitability EPS (Trailing Twelve Months)($0.17) Trailing P/E RatioN/A Forward P/E RatioN/A P/E GrowthN/ANet Income-$2.40 million Net Margins-4.13% Pretax Margin-3.67% Return on Equity-6.32% Return on Assets-5.32% Debt Debt-to-Equity RatioN/A Current Ratio4.71 Quick Ratio4.71 Sales & Book Value Annual Sales$52.87 million Price / Sales1.09 Cash FlowN/A Price / Cash FlowN/A Book Value$0.38 per share Price / Book1.61Miscellaneous Outstanding Shares94,780,000Free Float86,810,000Market Cap$57.82 million OptionableNot Optionable Beta-6.62 10 Best Stocks to Own: Fall 2026AI spending is reshaping the market, and the opportunity extends far beyond the biggest chipmakers. 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