Comments on Investors Exchange LLC Rulemaking

Notice of Filing of Proposed Rule Change to Add a New Discretionary Limit Order Type

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Date Received
Date Letter Type Commenter Name
Public Comment John Ramsay, Chief Market Policy Officer, IEX
Public Comment Stephen John Berger, Managing Director, Global Head of Government & Regulatory Policy, Citadel Securities
Meeting with SEC Officials Memorandum from the Office of Market Supervision, Division of Trading and Markets regarding an August 13, 2020, meeting with representatives of Citadel Securities
Meeting with SEC Officials Memorandum from the Office of the Chairman regarding a June 19, 2020, meeting with representatives of Citadel LLC
Meeting with SEC Officials Memorandum from the Office of the Chairman regarding a July 24, 2020, meeting with representatives of Investors Exchange LLC
Public Comment John Ramsay, Chief Market Policy Officer, IEX
Public Comment R. T. Leuchtkafer
Meeting with SEC Officials Memorandum from the Office of Commissioner Elad Roisman regarding a July 24, 2020 meeting with representatives of Investors Exchange LLC
Meeting with SEC Officials Memorandum from the Office of Commissioner Allison Herren Lee regarding a July 23, 2020, meeting with representatives of IEX
Public Comment John J. Lothian, Executive Chairman CEO, John J. Lothian Company, Inc.
Meeting with SEC Officials Memorandum from the Office of Commissioner Hester M. Peirce regarding a June 19, 2020, meeting with representatives of Citadel Securities
Public Comment Stephen Berger, Managing Director, Global Head of Government and Regulatory Policy, Citadel Securities
Meeting with SEC Officials Memorandum from the Division of Trading and Markets regarding a June 17, 2020, meeting with representatives of Citadel Securities
Public Comment Alex X. Mooney, Member of Congress and Lance Gooden, Member of Congress
Meeting with SEC Officials Memorandum from the Office of Commissioner Allison Herren Lee regarding a June 15, 2020 meeting with representatives of Citadel
Meeting with SEC Officials Memorandum from the Office of Commissioner Hester M. Peirce regaring a May 14, 2020 conference call with representatives of Investors Exchange LLC
Public Comment Lev Bagramian, Senior Securities Policy Advisor, Better Markets, Inc.
Meeting with SEC Officials Memorandum from the Office of Commissioner Allison Herren Lee regarding a Feb. 4, 2020, meeting with representatives of IEX
Meeting with SEC Officials Memorandum from the Office of the Investor Advocate regarding a May 11, 2020, telephone meeting with representatives of Investors Exchange LLC
Public Comment Anonymous
Public Comment Brian Urey, Senior Trader, Allianz Global Investors
Meeting with SEC Officials Memorandum from the Office of Commissioner Roisman regarding a May 11, 2020, meeting with representatives of Investors Exchange LLC
Public Comment John Ramsay, Chief Market Policy Officer, Investors Exchange LLC
Public Comment Tyler Gellasch, Executive Director, Healthy Markets Association
Public Comment Gregory Davis, Managing Director and Chief Investment Officer, The Vanguard Group, Inc.
Public Comment Jeff Mahoney, General Counsel, General Counsel, Council of Institutional Investors
Public Comment Joanna Mallers, Secretary, FIA Principal Traders Group
Public Comment John L. Thornton, Co-Chair, Committee on Capital Markets Regulation, Hal S. Scott, President, Committee on Capital Markets Regulation and R. Glenn Hubbard, Co-Chair, Committee on Capital Markets Regulation
Public Comment Kristen Malinconico, US Chamber of Commerce, Center for Capital Markets Competitiveness
Public Comment Stephen Berger, Managing Director, Global Head of Government and Regulatory Policy, Citadel Securities

Last Reviewed or Updated: Dec. 18, 2025

File Number
SR-IEX-2019-15
Release Number
34-87814
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