Stock Trading History of Reed David P

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 Reed David P since year 2005. The trader's CIK number is 1216888. At the time of this reporting, Reed David P is the President, North American Oper 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 *Reed David P* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-27	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2008-03-20	CRDN	Ceradyne Inc	Option Exercise	700	.00	0
2008-03-07	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2007-05-29	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2007-05-09	CRDN	Ceradyne Inc	Option Exercise	20,250	3.90	78,975
2007-05-09	CRDN	Ceradyne Inc	Sale	20,250	65.00	1,316,250
2007-03-06	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2006-12-27	CRDN	Ceradyne Inc	Option Exercise	11,875	2.92	34,615
2006-12-27	CRDN	Ceradyne Inc	Sale	11,875	58.54	695,194
2006-05-26	CRDN	Ceradyne Inc	Option Exercise	400	.00	0
2005-12-27	CRDN	Ceradyne Inc	Option Exercise	5,000	1.44	7,220
2005-12-27	CRDN	Ceradyne Inc	Sale	5,000	46.85	234,250

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 Reed David P (President, North American Oper of Ceradyne Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.