Main Street Provides $50.8M to UBM to Facilitate Merger with Mystic Logistics

January 6, 2026

Main Street Capital provided $50.8 million of financing (first‑lien senior secured term debt and minority equity) to UBM ParentCo, LLC (United Business Mail) to facilitate UBM's merger with Mystic Logistics Holdings, LLC. As part of the transaction Main Street exited its debt and equity investments in Mystic and became a lender and minority equity owner in UBM.

Buyers
Main Street Capital Corporation, UBM ParentCo, LLC (United Business Mail)
Targets
Mystic Logistics Holdings, LLC
Sellers
Main Street Capital Corporation
Location
United States
Transaction Type
Growth capital

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