Interactive Brokers Group, Inc. — Director's Dealing 2020

Apr 27, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Interactive Brokers Group, Inc. (IBKR)
CIK: 0001381197
Period of Report: 2020-04-23

Reporting Person: Uhde Philip (Director, See Remarks)
Reporting Person: Echinus Advisors, LLC (Director, See Remarks)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-04-23	Class A Common Stock, $0.01 par value per share	J	2409873	—	Disposed	1652	Indirect
2020-04-23	Common Stock	S	1652	$39.20	Disposed	0	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	108844	Direct

Footnotes

F1: These securities were held for the account of Echinus Partners, LP, a Delaware limited partnership (the "Echinus Fund"). Echinus Advisors, LLC, a Delaware limited liability Company ("Echinus"), serves as the investment manager to the Echinus Fund. Mr. Philip Uhde ("Mr. Uhde") is the manager and majority controlling person of Echinus. Each Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein, if any.

F2: On April 23, 2020, the securities were distributed pro rata to the partners of the Echinus Fund (the "Distribution").

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.075 to $39.33, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

F4: Mr. Uhde received 108,844 shares in the Distribution which he now holds directly.