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Effective Rule Filings Rule Filings

SR-MEMX-2025-36: Proposal to Amend the Exchange’s Options Fee Schedule

Date Filed: December 31, 2025 Description: Proposal to amend the Exchange’s Options Fee Schedule related to the Options Regulatory Fee (“ORF”).

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Effective Rule Filings Rule Filings

SR-MEMX-2025-35: Proposal to Amend the Exchange’s Options Fee Schedule

Date Filed: December 30, 2025 Description: Proposal to amend the routing fees for MEMX Options.

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605 Reports

November 2025

Rule 605 Disclosure of Order Execution Information

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Effective Rule Filings Rule Filings

SR-MEMX-2025-34: Proposal to Amend the Exchange’s CAT Compliance Rules

Date Filed: December 11, 2025 Description: Proposal to amend Rule 4.7 of the Exchange’s CAT Compliance Rule to be consistent with the CAT NMS Plan that requires broker-dealers with a reporting obligation to the CAT to report whether an original receipt or origination of an order to sell an equity security is a short sale […]