H Earl Nemser

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
IBKR	$39.00	1,302	$50,778.00	39,750	2015-09-30	Filing
IBKR	$38.01	1,212	$46,068.12	41,052	2015-09-29	Filing
IBKR	$40.25	72	$2,898.00	42,264	2015-09-28	Filing
IBKR	$39.47	441	$17,406.27	42,336	2015-09-28	Filing
IBKR	$38.39	775	$29,752.25	42,777	2015-09-28	Filing
IBKR	$40.43	1,238	$50,052.34	43,552	2015-09-25	Filing
IBKR	$39.19	1,302	$51,025.38	44,790	2015-09-24	Filing
IBKR	$39.28	1,303	$51,181.84	46,092	2015-09-23	Filing
IBKR	$38.89	1,302	$50,634.78	47,395	2015-09-22	Filing
IBKR	$39.33	1,302	$51,207.66	48,697	2015-09-21	Filing
IBKR	$38.70	1,292	$50,000.40	49,999	2015-09-18	Filing
IBKR	$40.07	761	$30,493.27	51,291	2015-09-17	Filing
IBKR	$39.47	541	$21,353.27	52,052	2015-09-17	Filing
IBKR	$39.44	264	$10,412.16	52,593	2015-09-16	Filing
IBKR	$38.75	1,039	$40,261.25	52,857	2015-09-16	Filing
IBKR	$40.07	761	$30,493.27	51,291	2015-09-17	Filing
IBKR	$39.47	541	$21,353.27	52,052	2015-09-17	Filing
IBKR	$39.44	264	$10,412.16	52,593	2015-09-16	Filing
IBKR	$38.75	1,039	$40,261.25	52,857	2015-09-16	Filing
IBKR	$38.49	1,273	$48,997.77	53,896	2015-09-15	Filing