Proposed Rule Change to Amend FINRA Rule 6191 Relating to the Data Collection Requirements of the Regulation NMS Plan to Implement A Tick Size Pilot Program

Financial Industry Regulatory Authority, Inc. (“FINRA”) is filing with the Securities and Exchange Commission (“SEC” or “Commission”) a proposed rule change to amend FINRA Rule 6191 to modify certain data collection requirements of the Regulation NMS Plan to Implement a Tick Size Pilot Program (Plan).