Comments on FINRA Rulemaking

Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend FINRA Rule 6191 to Modify the Website Data Publication Requirements Relating to the Regulation NMS Plan to Implement a Tick Size Pilot Program

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Date Received
Date Letter Type Commenter Name
Public Comment Adam C. Cooper, Senior Managing Director and Chief Legal Officer, Citadel Securities
Public Comment William Hebert, Managing Director, Financial Information Forum, Financial Information Forum

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-FINRA-2016-042
Release Number
34-79424
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