Seth Larner signed MPX's 2025 Form 5500 as plan administrator.
Signer names are public record from the Form 5500 e-signature.
MPX's EIN is 01-0457729.
Download the official 2025 Form 5500 (PDF) for MPX from the U.S. Department of Labor's EFAST2 system.
Download the official 2025 Form 5500 (PDF)MPX's plan includes profit-sharing, a 401(k) feature, ERISA 404(c) participant direction.