Morgan Lewis Represents BOX Options Market in $2.3B Combination With MEMX

BOSTON, July 31, 2026: Morgan Lewis is representing BOX Options Market in connection with a strategic transaction valued at $2.3 billion under which BOX will combine with Members Exchange (MEMX), an exchange operator and market technology provider.

As part of the broader transaction, TMX Group Limited, a global provider of data, listing services, trading markets, clearing facilities, and other services to the global financial community, will make a strategic investment in MEMX and is expected to hold an ownership interest of approximately 59% in the combined business following the transaction.

Partners Shannon Zollo and Meghan Kelly and associate Anna Voremberg Ellement are advising BOX Options Market.

For more information, read the announcement.