BMO 2023-C6 Mortgage Trust Names New Special Servicer

What Happened

• BMO 2023-C6 Mortgage Trust filed a Form 8-K on September 1, 2026 announcing that C-IV Asset Management LLC succeeded Greystone Servicing Company LLC as special servicer under the trust’s Pooling and Servicing Agreement (the BMO 2023-C6 PSA, dated August 1, 2023).
• The succession applies pursuant to the servicing agreement relating to BANK5 2023-5YR3, which services the 11 West 42nd Street mortgage loan — an asset of the Issuing Entity. An Assignment and Assumption Agreement (Special Servicing) dated September 1, 2026 is attached as Exhibit 20.1 to the filing.

Key Details

• Effective date of succession: September 1, 2026.
• Successor special servicer: C-IV Asset Management LLC; predecessor: Greystone Servicing Company LLC.
• Affects the servicing arrangement for the 11 West 42nd Street mortgage loan under the BANK5 2023-5YR3 agreement.
• Related document: Assignment and Assumption Agreement (Special Servicing) dated September 1, 2026 filed as Exhibit 20.1.

Why It Matters

• The special servicer is responsible for handling loans in default and taking enforcement or workout actions; a change in special servicer affects who manages those activities for the specified mortgage asset.
• For investors in the trust, this is an operational change to note for the 11 West 42nd Street loan; the 8-K does not disclose changes to financial terms, cash flows, or other economic impacts in this filing.