Stock Trading History of Lockhart Bruce

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Lockhart Bruce since year 2005. The trader's CIK number is 1268645. At the time of this reporting, Lockhart Bruce is the Vice President of Ceradyne Inc . (stock ticker symbol CRDN). See this page for all insider trading activities at Ceradyne Inc .

Stock purchases, sales, and option exercises reported by insider *Lockhart Bruce* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-03-20	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2008-03-07	CRDN	Ceradyne Inc	Option Exercise	200	.00	0
2007-09-21	CRDN	Ceradyne Inc	Option Exercise	1,875	19.36	36,309
2007-09-21	CRDN	Ceradyne Inc	Sale	1,875	74.57	139,818
2007-05-29	CRDN	Ceradyne Inc	Option Exercise	3,975	14.23	56,564
2007-05-29	CRDN	Ceradyne Inc	Sale	3,975	67.94	270,053
2007-05-08	CRDN	Ceradyne Inc	Sale	1,477	64.52	95,291
2007-03-06	CRDN	Ceradyne Inc	Option Exercise	200	.00	0
2006-11-16	CRDN	Ceradyne Inc	Sale	365	52.82	19,278
2006-11-09	CRDN	Ceradyne Inc	Sale	5,125	50.78	260,271
2005-12-23	CRDN	Ceradyne Inc	Option Exercise	1,350	3.09	4,175
2005-12-22	CRDN	Ceradyne Inc	Sale	675	44.74	30,199
2003-10-31	CRDN	Ceradyne Inc	Sale	3,571	40.78	145,625

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Lockhart Bruce (Vice President of Ceradyne Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.