1. Company Directors - P
2. Pierce D Howard

Insider Trading History of Pierce D Howard

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Pierce D Howard since 2006. The trader's CIK number is 1204047. At the time of the last reporting, Pierce D Howard was the Director of Harsco Corp. (stock ticker symbol HSC). Also see all insider trading activities at Harsco Corp.

Note that in the past PIERCE D HOWARD also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Ambient Corp /ny (ABTG) by Pierce D Howard

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2006	ABTG	200,000	$27,155	0	$0	0	$0

Yearly summary of insider trading at Harsco Corp (HSC) by Pierce D Howard

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2011	HSC	0	$0	0	$0	4,000	$55,852

Insider trading activities at 2 companies by Pierce D Howard:

1. Ambient Corp /ny (ABTG)

2. Harsco Corp (HSC)

Table 1. Insider trading of Ambient Corp /ny (ABTG) by Pierce D Howard

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2006-10-23	ABTG	Buy	45,000	.12	5,625
2006-10-13	ABTG	Buy	45,000	.12	5,580
2006-10-06	ABTG	Buy	55,000	.15	8,250
2006-10-05	ABTG	Buy	55,000	.14	7,700

Table 2. Insider trading of Harsco Corp (HSC) by Pierce D Howard

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2011-02-28	HSC	Option Ex	4,000	13.96	55,852

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 Pierce D Howard (Director of Harsco Corp at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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