Form Type: 4

SEC EDGAR Link
Accession Number:0001567619-21-017385
Date:2021-09-17
Issuer: INTERACTIVE BROKERS GROUP, INC. (IBKR)
Original Submission Date:

Reporting Person:

PETERFFY THOMAS
PHILLIPS POINT EAST TOWER, SUITE 1001
777 S. FLAGLER DRIVE WEST PALM BEACH, FL 33401

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
CLASS A COMMON STOCK 2021-09-17 S 22,200 d $61.66 5,927,511 direct
CLASS A COMMON STOCK 2021-09-20 S 16,800 d $59.35 5,910,711 direct
CLASS A COMMON STOCK 2021-09-20 S 3,200 d $60.00 5,907,511 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
Footnotes
IDfootnote
f1 the sales reported on this form 4 were effected pursuant to a rule 10b5-1 trading plan adopted by the reporting person.
f2 the price reported in column 4 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $61.26 to $61.87. the reporting person undertakes to provide interactive brokers group, inc. (the "company"), any security holder of the company, or the staff of the securities and exchange commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (2) - (4) to this form 4.
f3 the price reported in column 4 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $58.86 to $59.85.
f4 the price reported in column 4 is a weighted average price. these shares were sold in multiple transactions at prices ranging from $59.86 to $60.33.

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