Iii Malachi Aaron Mixon

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
PKOH	$20.26	250	$5,065.00	8,099	2010-12-16	Filing
PKOH	$20.25	250	$5,062.50	8,349	2010-12-16	Filing
PKOH	$20.19	100	$2,019.00	8,599	2010-12-16	Filing
PKOH	$20.17	1,085	$21,884.45	8,699	2010-12-16	Filing
PKOH	$20.16	200	$4,032.00	9,784	2010-12-16	Filing
PKOH	$20.15	3,615	$72,842.25	9,984	2010-12-16	Filing
PKOH	$20.11	199	$4,001.89	13,599	2010-12-16	Filing
PKOH	$20.10	201	$4,040.10	13,798	2010-12-16	Filing
PKOH	$20.09	200	$4,018.00	13,999	2010-12-16	Filing
PKOH	$20.08	2,197	$44,115.76	14,199	2010-12-16	Filing
PKOH	$20.07	400	$8,029.68	16,396	2010-12-16	Filing
PKOH	$20.07	200	$4,014.00	16,796	2010-12-16	Filing
PKOH	$20.06	300	$6,018.03	16,996	2010-12-16	Filing
PKOH	$20.06	700	$14,042.00	17,296	2010-12-16	Filing
PKOH	$20.05	2,803	$56,200.15	17,996	2010-12-16	Filing
PKOH	$20.03	283	$5,668.49	20,799	2010-12-16	Filing
PKOH	$20.02	99	$1,981.98	21,082	2010-12-16	Filing
PKOH	$20.01	2,316	$46,343.16	21,181	2010-12-16	Filing
PKOH	$20.00	4,002	$80,040.00	23,497	2010-12-16	Filing
PKOH	$22.53	100	$2,253.00	25,500	2010-12-16	Filing