Regulatory Alert, Trading Alert, Listing Alert

MIAX Emerald

January 13, 2026 | 10:10 AM

MIAX Exchange Group - Options Markets - Corporate Action Alert: Marsh & McLennan Companies, Inc. (MMC) Name and Trading Symbol Changes to Marsh (MRSH)

Marsh & McLennan Companies, Inc. (MMC) will change its name and trading symbol to Marsh (MRSH) effective on Wednesday, January 14, 2026. 

All GTC orders resting on the MIAX order books in MMC will be canceled at the close of business on Tuesday, January 13, 2026.

NOTE: MRSH options will trade on Cloud 12 on the MIAX Options Exchange, on Cloud 5 on the MIAX Pearl Options Exchange and MIAX Emerald Options Exchange and on Cloud 4 on the MIAX Sapphire Options Exchange.

Additional details about the Marsh & McLennan Companies, Inc. (MMC) name and symbol change are provided in the attached OCC Memo.

Please contact MIAX Listings with any questions at Listings@miaxglobal.com or (609) 897-7308.