Form 4 for IBKR Interactive Brokers

Accepted 2021-08-03 00:00:00 ET · period of report 2021-07-30 · accession 0001567619-21-014359 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
	2021-08-03	2021-07-30	IBKR	Frank Thomas AJ	CIO	A - Grant	$61.86	+2.00M	2.34M	+586%	+$123.72M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Class A common stock	2021-07-30	A	A	2,000,000	$61.86	2,341,482	D	—	—	(F1) Represents number of securities acquired by the Reporting Person, in a partial redemption of his interest in IBG Holdings LLC. Such securities were acquired by IBG Holdings LLC from Interactive Brokers Group, Inc. immediately prior to the redemption in exchange for membership interests in IBG LLC. (F2) The per share price provided represents the closing price of the issuer's Class A common stock on 7/30/2021, the date when the exchange described in footnote (1) took place. (F3) This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan"); (b) unvested restricted stock units that were awarded under the Plan; and (c) securities acquired by the Reporting Person, in a partial redemption of his interest in IBG Holdings LLC.