Mayville Engineering Company, Inc.: insider trades · United States · SEC (Form 4)

About Mayville Engineering Company, Inc.

Mayville Engineering Company, Inc. (NYSE: MEC, United States) is a U.S.-listed industrial manufacturing and engineering platform focused on value-added solutions for OEM customers. Founded in 1945 and headquartered in Milwaukee, Wisconsin, MEC has evolved into a vertically integrated partner that supports customers from early design work through prototyping, tooling, production manufacturing, finishing, assembly, and aftermarket components. For investors, the key takeaway is that MEC is not a pure contract manufacturer; it is positioned as a Tier I supplier with engineering depth and a broad process toolbox that can influence product development at multiple stages of the lifecycle. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1766368/000110465926023496/tmb-20251231x10k.htm?utm_source=openai)) The company’s core capabilities span metal fabrication, stamping, aluminum extrusion and fabrication, tube bending and forming, robotic welding, laser cutting, specialty coatings, and custom paint systems, including high-heat and chemical-agent-resistant applications. These capabilities serve a diversified end-market mix that includes heavy- and medium-duty commercial vehicles, construction and access equipment, powersports, agriculture, military applications, and, increasingly, data center and critical power-related demand. That diversity is strategically important, but MEC remains exposed to customer inventory cycles and broader industrial demand swings. The company’s recent disclosures also emphasize its role in helping customers optimize product redevelopment cycles, typically every three to five years. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1766368/000110465926023496/tmb-20251231x10k.htm?utm_source=openai)) MEC’s competitive position rests on long-standing customer relationships, manufacturing complexity, and a network of industrial facilities across the United States. Its 2025 annual report states that the company operated 23 facilities, with 22 in operation, located in Arkansas, Michigan, Mississippi, Ohio, Pennsylvania, Virginia, and Wisconsin. MEC also highlights that it has been ranked by The Fabricator as the largest fabricator in the United States for 15 consecutive years, a claim that supports its reputation as a scale player in fabricated metal components. This scale, combined with its end-to-end offering, helps MEC compete against a fragmented peer set in outsourced manufacturing. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1766368/000110465926023496/tmb-20251231x10k.htm?utm_source=openai)) Recent developments have centered on MEC’s MEC Business Excellence (MBX) program, a value-creation framework aimed at improving operational performance and benefiting from reshoring and outsourcing trends in the U.S. industrial base. In May 2025, the company announced a definitive agreement to acquire Accu-Fab for $140.5 million, signaling continued strategic investment in capability expansion. Financially, MEC reported a strong first quarter 2025 with margin expansion and positive free cash flow, while fourth quarter 2025 results published in March 2026 showed revenue growth but continued pressure on GAAP profitability. Overall, MEC remains a cyclical but differentiated industrial name on the NYSE, with a technically capable U.S. manufacturing footprint and exposure to multiple end markets. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1766368/000155837025008164/tmb-20250523xex99.htm?utm_source=openai))