Castellum, Inc. (CTM)
Castellum, Inc. is a firm specializing in providing advanced services across critical domains such as cybersecurity, information technology, electronic warfare, and both information warfare and operations. Its comprehensive suite of capabilities encompasses intelligence analysis, full-lifecycle software development and engineering, strategic program management, mission planning, robust information assurance, and specialized support for cybersecurity policy, alongside sophisticated data analytics. The company caters to a diverse clientele, including agencies within the Federal government, entities in the financial services and healthcare industries, and various other sectors heavily reliant on data applications. Established in 2010, Castellum maintains its corporate headquarters in Bethesda, Maryland.
Sector: Services-Management Consulting Services
Industry: Information Technology Services
Castellum, Inc.
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
based on 94.79M shares outstanding
USCastellum, Inc. is a firm specializing in providing advanced services across critical domains such as cybersecurity, information technology, electronic warfare, and both information warfare and operations.
Its comprehensive suite of capabilities encompasses intelligence analysis, full-lifecycle software development and engineering, strategic program management, mission planning, robust information assurance, and specialized support for cybersecurity policy, alongside sophisticated data analytics.
The company caters to a diverse clientele, including agencies within the Federal government, entities in the financial services and healthcare industries, and various other sectors heavily reliant on data applications. Established in 2010, Castellum maintains its corporate headquarters in Bethesda, Maryland.
Leadership
Andrew Merriman
Chief Opearating Officer
David T. Bell
Chief Financial Officer & Treasurer
Glen R. Ives
President, Chief Executive Officer & Director
Jay O. Wright
Vice Chair of the Board, General Counsel, Treasurer and Secretary
Employees
244
Country
US
Sector
Technology
Website
castellumus.com
| Insider | Title | Type | Shares | Value | Date |
|---|---|---|---|---|---|
 MARTIN TAMMY L | General Counsel and Secretary | Purchase | 1.4K | $747.139 | Oct 1, 2026 |
 Merriman Andrew | Chief Operating Officer | Purchase | 1.4K | $747.139 | Oct 1, 2026 |
 Bell David T | Chief Financial Officer | Purchase | 1.4K | $747.139 | Oct 1, 2026 |
 Ives Glen R | President | Purchase | 1.7K | $909.84 | Oct 1, 2026 |
| Merriman Andrew | Chief Operating Officer | Purchase | 40.0K | $24.8K | Sep 9, 2026 |
| Merriman Andrew | Chief Operating Officer | Purchase | 10.0K | $6.2K | Sep 9, 2026 |
| Name | Shares | % | Source |
|---|---|---|---|
 WRIGHT JAY O General Counsel, Secretary, Director, 10% Owner | 7.1M | 7.5% | FORM 4 |
 Fuller Mark C Director, 10% Owner | 6.1M | 6.4% | FORM 4 |
VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | 3.3% | 13F |
Meridian Wealth Management, LLC | 863.2K | 0.9% | 13F |
GEODE CAPITAL MANAGEMENT, LLC | 816.0K | 0.9% | 13F |
CAPTRUST FINANCIAL ADVISORS | 626.1K | 0.7% | 13F |
 Merriman Andrew Chief Operating Officer | 589.9K | 0.6% | FORM 4 |
VANGUARD FIDUCIARY TRUST CO | 492.7K | 0.5% | 13F |
STATE STREET CORP | 303.9K | 0.3% | 13F |
BlackRock, Inc. | 265.5K | 0.3% | 13F |
Insiders
- MARTIN TAMMY LGeneral Counsel and Secretary
- Merriman AndrewChief Operating Officer
- Bell David TChief Financial Officer
- Ives Glen RPresident
- McMillen Charles ThomasDirector
- WRIGHT JAY OGeneral Counsel, Secretary
- Champoux Bernard SDirector
- Alarie Mark SDirector
- Campbell John FrancisDirector
- Fuller Mark CDirector
based on 94.79M shares outstanding
US30d Avg
400.44K
60d Avg
492.67K
90d Avg
716.69K