F Edward Crawford

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
PKOH	$21.54	3,692	$79,525.68	2,072,604	2011-05-31	Filing
PKOH	$21.50	300	$6,450.00	2,076,296	2011-05-31	Filing
PKOH	$21.48	1,900	$40,812.00	2,076,596	2011-05-31	Filing
PKOH	$21.45	2,500	$53,625.00	2,078,496	2011-05-31	Filing
PKOH	$21.25	2,000	$42,494.60	2,080,996	2011-05-31	Filing
PKOH	$21.24	3,000	$63,715.50	2,082,996	2011-05-31	Filing
PKOH	$21.21	3,000	$63,642.90	2,085,996	2011-05-31	Filing
PKOH	$21.19	2,000	$42,381.40	2,088,996	2011-05-31	Filing
PKOH	$21.14	2,000	$42,280.00	2,090,996	2011-05-31	Filing
PKOH	$21.84	2,000	$43,681.40	2,092,996	2011-05-27	Filing
PKOH	$21.79	2,000	$43,580.00	2,094,996	2011-05-27	Filing
PKOH	$21.76	2,000	$43,528.00	2,096,996	2011-05-27	Filing
PKOH	$21.67	2,000	$43,346.00	2,098,996	2011-05-27	Filing
PKOH	$21.64	1,141	$24,691.35	2,100,996	2011-05-27	Filing
PKOH	$21.46	2,000	$42,923.40	2,102,137	2011-05-27	Filing
PKOH	$21.44	285	$6,110.40	2,104,137	2011-05-27	Filing
PKOH	$21.35	2,000	$42,707.80	2,104,422	2011-05-27	Filing
PKOH	$21.45	2,000	$42,900.00	2,031,422	2011-05-20	Filing
PKOH	$22.51	1,526	$34,350.26	2,033,422	2011-05-19	Filing
PKOH	$22.56	1,807	$40,765.92	2,034,948	2011-05-18	Filing