Equities - CEE - Ruling

Incident Report for MEMX

Resolved

Pursuant to Rule 11.15 MEMX Equities, on its own motion, in conjunction with other exchanges and FINRA has determined to cancel all trades in security ENSC at and above $0.5846 that were executed on MEMX between 05:47:00 and 05:48:00 ET. This decision cannot be appealed. MEMX Equities will be canceling trades on the participants behalf.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Posted May 11, 2026 - 09:16 EDT

Identified

MEMX Equities is investigating potentially erroneous transactions involving the security ENSC executed between 05:47:00 - 05:48:00 ET today. Members should review their trading activity for potentially erroneous trades. The Exchange will advise with details as soon as available.

MEMX Market Operations | mops@memx.com | 1-833-415-6677

Posted May 11, 2026 - 07:46 EDT

This incident affected: MEMX U.S. Equities Exchange.