Karman Space & Defense Expands into Strategic Maritime Defense with Acquisition of Seemann Composites and Material Sciences
Karman strengthens its position in next-generation propulsion and shielding systems, supporting the nation’s highest-priority defense programs from deep sea to deep space.
Karman Space & Defense a leader in rapid design, development, and production of advanced defense systems, announced today the acquisition of Seemann Composites, LLC (Seemann) and Material Sciences LLC (MSC), both innovators in specialty maritime defense technologies. The combined transaction is valued at $220 million, including $210 million in cash and approximately $10 million in Karman common shares, and is subject to customary closing conditions and regulatory approvals.
Seemann and MSC bring nearly 95 years of combined experience in designing, testing, and manufacturing advanced materials and systems for the U.S. Navy. Their core capabilities include:
- Sonar, acoustic, and signal mitigation solutions
- Subsea and surface propulsion systems
- Missile and amphibious strategic launch products
These companies’ expertise aligns seamlessly with Karman’s vertically integrated platform, strengthening its advanced materials portfolio and concept-to-production capabilities.
Strategic Expansion into Maritime Defense
Entering the strategic maritime defense market has been a key goal for Karman,” said Tony Koblinski, CEO of Karman. “Seemann and MSC bring proven performance, deep materials expertise, and differentiated manufacturing capabilities. Together, we are well-positioned for decades of growth while delivering critical technologies to the U.S. Navy and other defense customers.”
Seemann and MSC operate from Gulfport, Mississippi, and Horsham, Pennsylvania, with a combined manufacturing footprint of approximately 240,000 square feet. Their facilities feature advanced production capabilities, including resin infusion, automated fiber placement (AFP), fabric weaving, fatigue testing, and 3D printing. These capabilities will enhance Karman’s ability to rapidly deliver innovative solutions for naval and hypersonic programs.
Complementary Capabilities and Long-Term Growth
The acquisitions complement Karman’s prior strategic investments, including MG Resin and MTI, by deepening the company’s IP-protected advanced materials portfolio and adding talented material science teams focused on next-generation materials and resin system design.
Seemann and MSC also expand Karman’s exposure to high-priority naval programs, including submarines, unmanned surface and underwater vehicles (USV/UUV), and tactical surface vessels. The acquisitions are expected to be immediately accretive in 2026 across revenue growth, funded backlog, EBITDA, earnings per share, and cash flow.
Leadership and Cultural Alignment
Key Seemann and MSC executives will continue in leadership roles post-acquisition. “We are thrilled to start this new chapter as part of Karman,” said Sid Charbonnet, CEO of Seemann and MSC. “Our alignment of culture and capabilities ensures we will continue delivering value to our customers and Karman shareholders.”
Outlook
Karman affirms its prior fiscal year 2025 revenue and adjusted EBITDA guidance and expects the transaction to enhance its position in multi-decade, high-priority U.S. Navy programs, maintaining top-tier adjusted EBITDA margins among defense technology companies.
Audio Replay Options
An audio replay of the event will be archived on the Investor Relations section of the Company’s website at https://investors.karman-sd.com. The audio replay will also be available via telephone from Wednesday, January 21, 2026, at approximately 7:00 p.m. Pacific Time through Wednesday, January 28, 2026, at 11:59 p.m. Pacific Time. Dial toll-free +1 (800) 770-2030 or international toll +1 (609) 800-9909 and use Playback ID: 3511013#.
ABOUT SEEMANN COMPOSITES AND MSC
Seemann Composites is a pioneer in the design and manufacture of high-performance composite solutions for military applications, with a primary focus on naval undersea and surface systems. Seemann acquired MSC in 2018 after more than two decades of collaborating to develop innovative composite solutions for U.S. military platforms. The combined team has continued to successfully develop and deploy new materials and products to support the United States warfighter. Headquartered in Gulfport, MS, the combined facilities span more than 240,000 square feet. MSC headquarters are in Horsham, PA with manufacturing operations in Greenville, SC and Huntsville, AL.
ABOUT KARMAN SPACE & DEFENSE
Karman Space & Defense is a leader in the rapid design, development and production of critical, next-generation system solutions for launch vehicles, satellites and spacecraft, missile defense, hypersonics and UAS customers. Building on nearly 50 years of success, we deliver Payload & Protection Systems, Aerodynamic Interstage Systems, and Propulsion & Launch Systems to more than 80 prime contractors supporting more than 130 space and defense programs. Karman is headquartered in Huntington Beach, CA, with multiple facilities across the United States.
