Comments on Rulemaking Petition: National Market System Plan to Address Extraordinary Market Volatility by BATS Exchange, Inc., BATS Y-Exchange, Inc., Chicago Board Options Exchange, Incorporated, Chicago Stock Exchange, Inc., EDGA Exchange, Inc., EDGX Exchange, Inc., Financial Industry Regulatory Authority, Inc., NASDAQ OMX BX, Inc., NASDAQ OMX PHLX LLC, The Nasdaq Stock Market LLC, National Stock Exchange, Inc., New York Stock Exchange LLC, NYSE Amex LLC, and NYSE Arca, Inc.

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Date Received
Date Letter Type Commenter Name
Public Comment Jamie Selway, Managing Director, and Patrick Chi, Chief Compliance Officer, ITG Inc.
Public Comment Jose Marques, Managing Director, Global Head of Equity Trading, Deutsche Bank Securities, Inc.
Public Comment Kimberly Unger, Esq., Executive Director, STANY (The Security Traders Association of New York, Inc.), New York, New York
Public Comment Ann L. Vlcek, Managing Director and Associate General Counsel, SIFMA
Public Comment Craig S. Donohue, Chief Executive Officer, CME Group, Inc.
Public Comment George U. Sauter, Managing Director and Chief Investment Officer, The Vanguard Group, Inc., The Vanguard Group, Inc.
Public Comment Joseph N. Cangemi, Chairman, and Jim Toes, President and CEO, Security Traders Association, New York, New York
Public Comment Karrie McMillan, General Counsel, Investment Company Institute
Public Comment Leonard J. Amoruso, General Counsel, Knight Capital Group, Inc.
Public Comment Manisha Kimmel, Executive Director, Financial Information Forum, New York, New York
Public Comment Stuart J. Kaswell, Executive Vice President & Managing Director, General Counsel, Managed Funds Association
Public Comment Peter J. Driscoll, Investment Professional, Chicago, Illinois
Public Comment Steve Wunsch, Wunsch Auction Associates, LLC, New York, New York

Last Reviewed or Updated: Dec. 18, 2025

File Number
4-631
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