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Effective Rule Filings Rule Filings

SR-MX2-2025-04: Proposal to Amend Rule 11.6

Date Filed: September 30, 2025 Description: Proposed rule change to amend Rule 11.6(a) to clarify the handling of orders that contain both a Post Only instruction and certain other order handling instructions maintained to facilitate compliance with Rule 610(d) of Regulation NMS.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-31: Proposal to Amend The Exchange’s Fee Schedule

Date Filed: September 30, 2025 Description: Proposal to amend the Exchange’s Fee Schedule to (i) increase the base rebates for Added Non-Displayed Volume in securities priced at or above $1.00 per share; (ii) increase the base rebates for Added Non-Displayed Sub-Dollar Volume; (iii) increase the base rebates provided for Added Displayed Sub-Dollar Volume; (iv) eliminate […]

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605 Reports

August 2025

Rule 605 Disclosure of Order Execution Information

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Effective Rule Filings Rule Filings

SR-MX2-2025-03: Proposal to Amend the LLC Agreement of MEMX Holdings LLC

Date Filed: September 11, 2025 Description: Proposed rule change to amend the Eighth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-30: Proposal to Amend the LLC Agreement of MEMX Holdings LLC

Date Filed: September 11, 2025 Description: Proposed rule change to amend the Eighth Amended and Restated Limited Liability Company Agreement of MEMX Holdings LLC.

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Effective Rule Filings Rule Filings

SR-MEMX-2025-29: Proposal to Amend Rule 11.6

Date Filed: September 8, 2025 Description: Proposed rule change to amend Rule 11.6(a) to clarify the handling of orders that contain both a Post Only instruction and certain other order handling instructions maintained to facilitate compliance with Rule 610(d) of Regulation NMS.

Categories
Effective Rule Filings Rule Filings

SR-MEMX-2025-28: Proposal to Amend the Exchange’s Fee Schedule

Date Filed: September 8, 2025 Description: Proposal to amend the Exchange’s Fee Schedule to: (i) modify the required criteria under Liquidity Provision Tiers 1 and 2; and (ii) adopt a new Tape B Volume Tier.