Arce Gabriel Hammond

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
PSTR	$5.23	81	$423.63	34,471	2010-07-19	Filing
PSTR	$5.23	1,538	$8,043.74	80,440	2010-07-19	Filing
PSTR	$5.23	670	$3,504.10	744,202	2010-07-19	Filing
PSTR	$5.23	2,289	$11,971.47	867,857	2010-07-19	Filing
PSTR	$5.30	81	$429.30	34,552	2010-07-16	Filing
PSTR	$5.30	1,438	$7,621.40	81,978	2010-07-16	Filing
PSTR	$5.30	486	$2,575.80	744,872	2010-07-16	Filing
PSTR	$5.30	2,005	$10,626.50	870,146	2010-07-16	Filing
PSTR	$5.29	81	$428.49	34,633	2010-07-15	Filing
PSTR	$5.29	195	$1,031.55	83,416	2010-07-15	Filing
PSTR	$5.29	424	$2,242.96	745,358	2010-07-15	Filing
PSTR	$5.29	700	$3,703.00	872,151	2010-07-15	Filing
PSTR	$5.43	81	$439.83	34,714	2010-07-14	Filing
PSTR	$5.43	2,438	$13,238.34	83,611	2010-07-14	Filing
PSTR	$5.43	1,081	$5,869.83	745,782	2010-07-14	Filing
PSTR	$5.43	3,600	$19,548.00	872,851	2010-07-14	Filing
PSTR	$5.25	3,635	$19,083.75	34,795	2010-07-08	Filing
PSTR	$5.25	10,908	$57,267.00	86,049	2010-07-08	Filing
PSTR	$5.25	7,272	$38,178.00	746,863	2010-07-08	Filing
PSTR	$5.25	21,815	$114,528.75	876,451	2010-07-08	Filing