Exhibit 6 TRANSACTIONS IN THE SHARES IN THE OPEN MARKET Amended 60 Day Transaction History Reporting Date		Trans.	 Qty	Price/Share Person AIM	 8/7/2018	Buy PHIIK 8,649 	$8.20 Stabosz	 8/7/2018	Buy PHIIK 21,192 	$8.23 Stabosz	 8/8/2018	Buy PHIIK 21,105 	$8.11 Stabosz	 8/8/2018	Buy PHII 2,000 	$8.10 AVF	 8/9/2018	Buy PHIIK 1,914 	$8.15 AIM	 8/9/2018	Buy PHIIK 20,915 	$8.21 Stabosz	 8/9/2018	Buy PHIIK 29,095 	$8.18 Stabosz	 8/13/2018	Buy PHIIK 31,390 	$7.41 Stabosz	 8/15/2018	Buy PHIIK 5,880 	$8.08 AIM	 8/16/2018	Sell PHIIK 44 	$8.18 Stabosz	 8/16/2018	Buy PHIIK 2,931 	$8.17 Stabosz	 8/17/2018	Buy PHIIK 6,135 	$8.22 AIM	 8/20/2018	Buy PHIIK 37 	$8.23 Stabosz	 8/24/2018	Sell PHII 2,000	$9.31 AIM	 8/28/2018	Buy PHIIK 1,066 	$8.90 Stabosz 8/29/2018	Sell PHIIK 37,200 $8.56 AIM	 8/29/2018 Sell PHII 4,363 $9.19 AIM 8/29/2018	Buy PHIIK 12,433 $8.66 Olin 8/29/2018	Buy PHIIK 888	$8.80 Olin 8/29/2018	Sell PHII 888	$9.16 AIM 8/31/2018	Buy PHIIK 34		$8.39 Stabosz 9/4/2018	Buy PHIIK 6,733	$8.13 Stabosz 9/18/2018	Buy PHII 24,600	$8.40 Stabosz 9/18/2018	Sell PHII 1,000	$8.50 Stabosz 9/18/2018	Buy PHIIK 10,888	$8.49 AIM 9/19/2018	Sell PHIIK 1,749	$9.12 AIM 9/26/2018	Sell PHIIK 2,800	$9.23 Stabosz 10/1/2018	Sell PHII 1,000	$9.98 AVF 10/1/2018	Buy PHIIK 8,006	$9.42 AIM 10/1/2018	Buy PHIIK 516	$9.44 Stabosz 10/1/2018	Buy PHIIK 19,700	$9.42 Stabosz 10/3/2018	Buy PHIIK 11,626	$9.58 Stabosz 10/4/2018	Buy PHIIK 4,000	$9.49