Arce Gabriel Hammond

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
PSTR	$4.88	500	$2,440.00	121,739	2010-06-23	Filing
PSTR	$4.88	948	$4,626.24	770,591	2010-06-23	Filing
PSTR	$4.88	1,600	$7,808.00	942,794	2010-06-23	Filing
PSTR	$4.84	333	$1,611.72	8,340	2010-06-22	Filing
PSTR	$4.84	468	$2,265.12	42,276	2010-06-22	Filing
PSTR	$4.84	1,363	$6,596.92	122,239	2010-06-22	Filing
PSTR	$4.84	936	$4,530.24	771,539	2010-06-22	Filing
PSTR	$4.84	3,100	$15,004.00	944,394	2010-06-22	Filing
PSTR	$5.06	71	$359.26	8,673	2010-06-21	Filing
PSTR	$5.06	81	$409.86	42,744	2010-06-21	Filing
PSTR	$5.06	1,363	$6,896.78	123,602	2010-06-21	Filing
PSTR	$5.06	685	$3,466.10	772,475	2010-06-21	Filing
PSTR	$5.06	2,200	$11,132.00	947,494	2010-06-21	Filing
PSTR	$4.84	71	$343.64	8,744	2010-06-18	Filing
PSTR	$4.84	81	$392.04	42,825	2010-06-18	Filing
PSTR	$4.84	359	$1,737.56	124,965	2010-06-18	Filing
PSTR	$4.84	884	$4,278.56	773,160	2010-06-18	Filing
PSTR	$4.84	1,395	$6,751.80	949,694	2010-06-18	Filing
PSTR	$4.80	307	$1,473.60	8,815	2010-06-17	Filing
PSTR	$4.80	307	$1,473.60	42,906	2010-06-17	Filing