1. Company Directors - S
2. Spiro Clifford L

Insider Trading History of Spiro Clifford L

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Spiro Clifford L since 2006. The trader's CIK number is 1271690. At the time of the last reporting, Spiro Clifford L was the Director of Cabot Microelectronics Corp. (stock ticker symbol CCMP). Also see all insider trading activities at Cabot Microelectronics Corp.

Note that in the past SPIRO CLIFFORD L also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Cabot Microelectronics Corp (CCMP) by Spiro Clifford L

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2010	CCMP	0	$0	95,800	$3,681,132	70,000	$2,135,700
2007	CCMP	0	$0	1,088	$40,591	0	$0

Yearly summary of insider trading at Standard Diversified Inc. (SDIX) by Spiro Clifford L

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2009	SDIX	10,000	$10,000	0	$0	0	$0
2008	SDIX	5,000	$16,240	0	$0	0	$0
2007	SDIX	3,000	$13,782	0	$0	0	$0
2006	SDIX	30,000	$115,680	0	$0	0	$0

Insider trading activities at 2 companies by Spiro Clifford L:

1. Cabot Microelectronics Corp (CCMP)

2. Standard Diversified Inc. (SDIX)

Table 1. Insider trading of Cabot Microelectronics Corp (CCMP) by Spiro Clifford L

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2010-12-08	CCMP	Sale	4,660	40.14	187,066
2010-12-07	CCMP	Sale	100	40.25	4,025
2010-12-03	CCMP	Sale	1,040	40.50	42,120
2010-11-02	CCMP	Option Ex	70,000	30.51	2,135,700
2010-11-02	CCMP	Sale	70,000	39.07	2,735,180
2010-02-03	CCMP	Sale	3,405	35.19	119,835
2010-02-02	CCMP	Sale	16,595	35.73	592,906
2007-12-26	CCMP	Sale	386	37.87	14,617
2007-12-05	CCMP	Sale	702	37.00	25,974

Table 2. Insider trading of Standard Diversified Inc. (SDIX) by Spiro Clifford L

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2009-03-05	SDIX	Buy	10,000	1.00	10,000
2008-08-15	SDIX	Buy	2,000	2.44	4,870
2008-05-06	SDIX	Buy	3,000	3.79	11,370
2007-05-17	SDIX	Buy	3,000	4.59	13,782
2006-08-30	SDIX	Buy	10,000	3.91	39,080
2006-05-16	SDIX	Buy	20,000	3.83	76,600

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 Spiro Clifford L (Director of Cabot Microelectronics Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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