Insider Transactions

What Interactive Brokers Group, Inc.'s executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	3	9
Sells	0	46
Total trades	4	87

Shares traded

	3 months	12 months
Acquired	0	0
Disposed	0	0
Net activity	+0	+0

Common stock only — 87 reported trades in the last 12 months are in a security these totals do not cover.

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Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Conkling Lori A	Director	Sep 01	Open-market buy · P	+25	$94.53	+$2.36K	2,559
Conkling Lori A	Director	Aug 03	Open-market buy · P	+25	$87.03	+$2.18K	2,534
Nemser Earl H	Vice Chairman	Jul 31	Grant / award · A	+803,568	$87.99	+$70.7M	803,568
Conkling Lori A	Director	Jul 01	Open-market buy · P	+25	$88.03	+$2.2K	2,509
Conkling Lori A	Director	Jun 01	Open-market buy · P	+25	$86.10	+$2.15K	2,484
Frank Thomas Aj	Executive Vice President	May 08	Withheld — tax / exercise cost · F	−31,730	$84.42	−$2.68M	251,518
Nemser Earl H	Vice Chairman	May 08	Withheld — tax / exercise cost · F	−22,486	$84.42	−$1.9M	429,344
Galik Milan	Chief Executive Officer	May 08	Withheld — tax / exercise cost · F	−255,039	$84.42	−$21.5M	3,215,389
Mendonca Denis	Chief Accounting Officer	May 08	Withheld — tax / exercise cost · F	−11,157	$84.42	−$942K	145,071
Brody Paul Jonathan	Chief Financial Officer	May 08	Withheld — tax / exercise cost · F	−82,920	$84.42	−$7M	2,856,806
Conkling Lori A	Director	May 01	Open-market buy · P	+25	$79.64	+$1.99K	2,459
Harris Lawrence E	Director	Apr 28	Open-market sale · S	−26,000	$76.93	−$2M	173,482
Conkling Lori A	Director	Apr 01	Open-market buy · P	+25	$68.38	+$1.71K	2,434
Conkling Lori A	Director	Mar 02	Open-market buy · P	+25	$69.21	+$1.73K	2,409
Conkling Lori A	Director	Feb 25	Open-market buy · P	+50	$73.21	+$3.66K	2,384
Nemser Earl H	Vice Chairman	Jan 27	Open-market sale · S	−20,469	$75.75	−$1.55M	0
Nemser Earl H	Vice Chairman	Jan 27	Open-market sale · S	−39,731	$75.07	−$2.98M	20,469
Nemser Earl H	Vice Chairman	Jan 26	Open-market sale · S	−3,101	$77.98	−$242K	60,200
Nemser Earl H	Vice Chairman	Jan 26	Open-market sale · S	−30,817	$76.72	−$2.36M	63,301
Nemser Earl H	Vice Chairman	Jan 26	Open-market sale · S	−60,882	$75.83	−$4.62M	94,118

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