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Comments on MEMX Rulemaking

Notice of Filing of a Proposed Rule Change to Establish a Retail Midpoint Liquidity Program

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Date Sort descending	Letter Type	Commenter Name
May 26, 2023	Meeting with SEC Officials	Memorandum from the Office of Commissioner Mark T. Uyeda regarding a May 26, 2023, meeting with representatives of MEMX
March 3, 2023	Public Comment	Adrian Griffiths, Head of Market Structure, MEMX
Dec. 5, 2022	Public Comment	Adrian Griffiths, Head of Market Structure, MEMX
May 6, 2022	Public Comment	Sean Paylor, Acadian Asset Management
May 4, 2022	Public Comment	Reginald Neumann Maximillian Smythers
Jan. 27, 2022	Public Comment	Adrian Griffiths, Head of Market Structure, MEMX
Jan. 10, 2022	Public Comment	Sean Paylor, Acadian Asset Management LLC
Dec. 20, 2021	Public Comment	Joseph Saluzzi and Sal Arnuk, Partners, Themis Trading, LLC
Dec. 13, 2021	Public Comment	Kasey

Last Reviewed or Updated: Dec. 18, 2025

File Number

SR-MEMX-2021-10

Release Number

34-92844

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