EXHIBIT 99.4

Date	Account	Action	Quantity		Symbol	Price
4/14/2008	Hodgson	Buy		10,000	CAV	$	1.5500
4/14/2008	Federal Servicing	Buy		84	CAV	$	1.5200
4/15/2008	Federal Servicing	Buy		600	CAV	$	1.5200
4/16/2008	Federal Servicing	Buy		8,832	CAV	$	1.5398
4/17/2008	Federal Servicing	Buy		500	CAV	$	1.5200
4/21/2008	Federal Servicing	Buy		7,310	CAV	$	1.5200
4/22/2008	Federal Servicing	Buy		4,990	CAV	$	1.5200
4/23/2008	Federal Servicing	Buy		27,000	CAV	$	1.6986
4/24/2008	Hodgson	Buy		18,500	CAV	$	1.6999
4/25/2008	Hodgson	Buy		17,000	CAV	$	1.6800
4/28/2008	Federal Servicing	Buy		90	CAV	$	1.6600
4/29/2008	Federal Servicing	Buy		10,094	CAV	$	1.7000
4/30/2008	Hodgson	Buy		9,000	CAV	$	1.7100
5/1/2008	Hodgson	Buy		8,400	CAV	$	1.7100
5/2/2008	Hodgson	Buy		600	CAV	$	1.7100
5/2/2008	Shipley LTD	Buy		11,775	CAV	$	1.7788
5/5/2008	Hodgson	Buy		1,316	CAV	$	1.7700
5/6/2008	Hodgson	Buy		7,684	CAV	$	1.8100
5/7/2008	Hodgson	Buy		100	CAV	$	1.8100
5/8/2008	Hodgson	Buy		4,900	CAV	$	1.8499
5/9/2008	Hodgson	Buy		1,900	CAV	$	1.9600
5/9/2008	Shipley LTD	Buy		4,225	CAV	$	1.9500
5/12/2008	Hodgson	Buy		283	CAV	$	1.9600
5/13/2008	Hodgson	Buy		4,900	CAV	$	2.1500
5/14/2008	Shipley LTD	Buy		900	CAV	$	2.3200
5/20/2008	Shipley LTD	Buy		3,900	CAV	$	2.4500
5/21/2008	Shipley LTD	Buy		19,000	CAV	$	2.2620
5/28/2008	Hodgson	Buy		5,000	CAV	$	2.1800
5/29/2008	Hodgson	Buy		717	CAV	$	2.1800
5/30/2008	Hodgson	Buy		1,200	CAV	$	2.2000
6/2/2008	Hodgson	Buy		3,800	CAV	$	2.1989
6/5/2008	Shipley LTD	Buy		100	CAV	$	2.1100
6/9/2008	Shipley LTD	Buy		9,900	CAV	$	2.0797
6/10/2008	Shipley LTD	Buy		4,458	CAV	$	2.0500
6/11/2008	Shipley LTD	Buy		542	CAV	$	2.0534
6/12/2008	Hodgson	Buy		6,701	CAV	$	2.0400
6/13/2008	Hodgson	Buy		1,499	CAV	$	1.9800
6/16/2008	Hodgson	Buy		1,613	CAV	$	1.9500

Date	Account	Action	Quantity		Symbol	Price
6/23/2008	Shipley LTD	Buy		4,900	CAV	$	1.7000
6/24/2008	Hodgson	Buy		5,590	CAV	$	1.6958
6/25/2008	Hodgson	Buy		1,410	CAV	$	1.6600
7/15/2008	Hodgson	Buy		5,387	CAV	$	1.9200
7/18/2008	Shipley LTD	Buy		11,100	CAV	$	1.9365
7/21/2008	Hodgson	Buy		584	CAV	$	1.9200
9/29/2008	Hodgson	Buy		3,800	CAV	$	1.9100
9/30/2008	Hodgson	Buy		5,616	CAV	$	1.7100
10/2/2008	Hodgson	Buy		6,700	CAV	$	1.7200
10/3/2008	Hodgson	Buy		1,300	CAV	$	1.7200
10/6/2008	Hodgson	Buy		9,100	CAV	$	1.4773
10/7/2008	Hodgson	Buy		3,900	CAV	$	1.4694
10/8/2008	Hodgson	Buy		300	CAV	$	1.3600
10/9/2008	Hodgson	Buy		13,100	CAV	$	1.2376
10/10/2008	Hodgson	Buy		14,600	CAV	$	1.0452
10/14/2008	Federal Servicing	Buy		4,000	CAV	$	1.1100
10/15/2008	Federal Servicing	Buy		4,000	CAV	$	1.1100
10/16/2008	Federal Servicing	Buy		4,000	CAV	$	1.1100
10/21/2008	Hodgson	Buy		3,315	CAV	$	1.2000
10/22/2008	Hodgson	Buy		4,485	CAV	$	1.2000
10/27/2008	Federal Servicing	Buy		4,000	CAV	$	1.3000
10/28/2008	Hodgson	Buy		1,200	CAV	$	1.3500
10/28/2008	Federal Servicing	Buy		9,000	CAV	$	1.3500
10/29/2008	Hodgson	Buy		18,000	CAV	$	1.4000
10/31/2008	Hodgson	Buy		300	CAV	$	1.3600
11/7/2008	Hodgson	Buy		700	CAV	$	1.3600
12/4/2008	Hodgson	Buy		100,000	CAV	$	1.000
12/10/2008	Hodgson	Buy		93,000	CAV	$	0.9500
12/11/2008	Shipley LTD	Buy		90,000	CAV	$	0.9500
12/15/2008	Shipley LTD	Buy		16,439	CAV	$	0.8938
12/15/2008	Shipley LTD	Buy		30,000	CAV	$	0.8882
12/17/2008	Shipley LTD	Buy		84,651	CAV	$	0.9438
12/17/2008	Shipley LTD	Buy		5,000	CAV	$	0.9299
12/18/2008	Hodgson	Buy		64,000	CAV	$	0.9228
12/19/2008	Hodgson	Buy		40,000	CAV	$	0.8995
12/19/2008	Shipley LTD	Buy		90,592	CAV	$	0.9035
1/21/2009	Hodgson	Buy		1,500	CAV	$	1.0400
1/22/2009	Hodgson	Buy		4,500	CAV	$	1.0393