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Effective Rule Filings Rule Filings

SR-MEMX-2026-07: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: February 27, 2026 Description: Proposal to amend the Exchange’s Fee Schedule to: (i) make certain additions and amendments related to Step-Up tiers in the Definitions sectionof the Fee Schedule, both in general and in light of Regulation NMS Rule 610(d), and (ii) modify the required step-up criteria under Liquidity Provision Tier 2.

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Effective Rule Filings Rule Filings

SR-MEMX-2026-06: Proposal to Adopt Rule 13.9

Date Filed: February 19, 2026 Description: Proposal to adopt a rule codifying the Exchange’s fingerprint-based background check process.

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605 Reports

January 2026

Rule 605 Disclosure of Order Execution Information