W. Steven Etzel

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ROK	$122.76	300	$36,828.09	6,486	2016-09-30	Filing
ROK	$122.02	800	$97,613.04	6,786	2016-09-30	Filing
ROK	$120.47	700	$84,326.48	7,586	2016-09-30	Filing
ROK	$106.46	313	$33,322.89	6,651	2015-12-07	Filing
ROK	$125.33	2,000	$250,654.40	6,126	2015-05-18	Filing
ROK	$121.55	2,000	$243,103.40	6,126	2015-05-05	Filing
ROK	$115.58	2,741	$316,798.75	6,266	2015-02-12	Filing
ROK	$116.22	244	$28,356.90	7,557	2014-12-02	Filing
ROK	$116.22	416	$48,346.19	7,611	2014-12-02	Filing
ROK	$121.15	2,850	$345,277.50	6,506	2014-05-13	Filing
ROK	$120.95	1,024	$123,852.39	6,506	2014-02-25	Filing
ROK	$120.86	2,000	$241,713.80	7,530	2014-02-24	Filing
ROK	$111.58	672	$74,980.21	7,530	2013-12-09	Filing
ROK	$112.52	3,300	$371,328.54	6,896	2013-11-11	Filing
ROK	$98.19	3,400	$333,855.18	6,896	2013-08-01	Filing
ROK	$88.64	2,300	$203,876.37	6,896	2013-05-13	Filing
ROK	$90.46	3,100	$280,434.06	6,896	2013-02-11	Filing
ROK	$85.57	5,000	$427,850.00	7,074	2013-01-02	Filing
ROK	$82.52	2,300	$189,796.00	7,074	2012-12-17	Filing
ROK	$80.45	1,347	$108,367.90	7,074	2012-12-10	Filing