Exhibit 7.15

Trade Date	# of Shares		Price
November 10, 2015		200		19.6900
		700		19.7000
		600		19.7100
		300		19.7200
		3,450		19.7300
		2,900		19.7400
		1,800		19.7500
		3,289		19.7600
		1,800		19.7700
		1,800		19.7800
		4,200		19.7900
		500		19.8000
		1,300		19.8100
		500		19.8200
		1,000		19.8300
		2,000		19.8400
		800		19.8500
		2,175		19.8600
		3,100		19.8700
		5,207		19.8800
		1,810		19.8900
		3,437		19.9000
		5,392		19.9100
		25		19.9150
		2,059		19.9200
		1,400		19.9300
		1,900		19.9400
		6,941		19.9500
		6,199		19.9600
		3,539		19.9700
		3,944		19.9800
		6,222		19.9900
		1,400		19.9975
		3,311		20.0000
		800		20.0100
		200		20.0200
		400		20.0300
		300		20.0400
		200		20.0500
		1,040		20.0600
		600		20.0700
		300		20.0800
		100		20.0850
		600		20.0900
		2,183		20.1000
		400		20.1100

- 1 -

Trade Date	# of Shares		Price
		900		20.1200
		1,200		20.1300
		1,760		20.1400
		2,797		20.1500
		100		20.1600
		1,400		20.1700
		300		20.1800
		300		20.1900
		920		20.2000
		100		20.2050
		1,200		20.2100
		1,000		20.2200
		400		20.2250
		600		20.2300
		1,100		20.2400
		900		20.2500
		100		20.2575
		1,000		20.2600
		200		20.2650
		500		20.2800
		500		20.3000
November 11, 2015		700		19.9900
		1,300		19.9800
		1,200		19.9700
		2,400		19.9600
		2,552		19.9500
		3,710		19.9400
		4,895		19.9300
		4,800		19.9200
		4,496		19.9100
		21,481		19.9000
		9,126		19.8900
		6,452		19.8800
		2,843		19.8700
		100		19.8650
		1,600		19.8600
		5,500		19.8500
		100		19.8450
		1,910		19.8400
		635		19.8300
		1,700		19.8200
		3,440		19.8100
		1,000		19.8000
		100		19.7850
		100		19.7800
		300		19.7600
		4,090		19.7500
		2,870		19.7400
		100		19.7350

- 2 -

Trade Date	# of Shares		Price
		1,800		19.7300
		2,090		19.7200
		710		19.7100
		1,340		19.7000
		1,360		19.6900
		500		19.6800
		1,100		19.6700
		600		19.6600
		3,100		19.6500
		1,100		19.6400
		1,600		19.6300
		2,900		19.6200
		1,100		19.6100
		100		19.6050
		400		19.6000
		300		19.5900
November 12, 2015		1,400		19.1500
		600		19.1600
		425		19.1700
		100		19.1775
		2,521		19.1800
		2,726		19.1900
		2,800		19.2000
		5,330		19.2100
		200		19.2150
		2,000		19.2175
		7,750		19.2200
		100		19.2250
		100		19.2275
		8,238		19.2300
		100		19.2350
		6,443		19.2400
		100		19.2475
		6,957		19.2500
		3,800		19.2600
		2,200		19.2700
		2,280		19.2800
		300		19.2900
		1,200		19.3000
		100		19.3075
		2,230		19.3100
		600		19.3200
		300		19.3300
		909		19.3400
		936		19.3500
		100		19.3550
		300		19.3600
		1,874		19.3700
		2,788		19.3800

- 3 -

Trade Date	# of Shares		Price
		1,800		19.3850
		672		19.3900
		300		19.4000
		600		19.4100
		400		19.4200
		975		19.4300
		239		19.4400
		900		19.4500
		1,500		19.4600
		900		19.4700
		1,667		19.4800
		643		19.4900
		900		19.5000
		1,200		19.5100
		1,225		19.5200
		1,000		19.5300
		300		19.5400
		1,600		19.5500
		1,100		19.5600
		300		19.5700
		640		19.5800
		2,310		19.5900
		1,122		19.6000
		700		19.6100
		900		19.6200
		2,000		19.6300
		2,600		19.6400
		1,000		19.6500
		200		19.6600
		500		19.6900
		600		19.7100
		300		19.7200
		600		19.7300
		456		19.7400
		1,844		19.7500
		1,269		19.7600
		831		19.7700
		300		19.7800
		100		19.7900
		500		19.8000
		600		19.8100
		1,558		19.8200
		2,542		19.8300
		100		19.8400
November 13, 2015		200		19.2400
		300		19.2500
		500		19.2600
		300		19.2700
		200		19.2800

- 4 -

Trade Date	# of Shares		Price
		200		19.2900
		1,500		19.3000
		100		19.3100
		600		19.3250
		400		19.3400
		100		19.3700
		300		19.3800
		400		19.3900
		300		19.4000
		800		19.4500
		300		19.4700
		500		19.4800
		300		19.4900
		300		19.5000
		300		19.5100
		400		19.5200
		600		19.5300
		1,000		19.5400
		1,980		19.5500
		800		19.5600
		700		19.5700
		600		19.5800
		100		19.5850
		1,500		19.5900
		900		19.6000
		600		19.6100
		500		19.6200
		500		19.6300
		400		19.6400
		401		19.6500
		100		19.6600
		200		19.6700
		200		19.6800
		100		19.7100
		600		19.7200
		1,900		19.7300
		1,000		19.7400
		1,700		19.7500
		900		19.7600
		100		19.7700
		1,150		19.7800
		800		19.7900
		100		19.7950
		2,192		19.8000
		1,108		19.8100
		400		19.8200
		300		19.8300
		3,700		19.8400
		1,100		19.8500

- 5 -

Trade Date	# of Shares		Price
		600		19.8600
		2,600		19.8700
		200		19.8800
		400		19.8900
		100		19.9000
		400		19.9100
		1,602		19.9200
		100		19.9300
		578		19.9400
		100		19.9500
		100		19.9600
		281		19.9700
		1,000		19.9800
		1,519		19.9900
		300		19.9950
		7,222		20.0000
		500		20.0050
		7,874		20.0100
		4,248		20.0200
		100		20.0250
		2,790		20.0300
		870		20.0400
		2,578		20.0500
		100		20.0550
		2,210		20.0600
		4,300		20.0700
		600		20.0800
		900		20.0900
		1,800		20.1000
		2,110		20.1100
		100		20.1150
		1,800		20.1200
		113		20.1300
		1,667		20.1400
		3,100		20.1500
		1,000		20.1600
		1,500		20.1700
		2,600		20.1800
		1,193		20.1900
		1,800		20.2000
		1,010		20.2100
		1,804		20.2200
		1,600		20.2400
		2,200		20.2500
		500		20.2700
		900		20.2800
		600		20.2900
		600		20.3000
		600		20.3100

- 6 -

Trade Date	# of Shares		Price
		300		20.3200
November 16, 2015		200		19.9300
		700		19.9400
		2,866		19.9600
		6,519		19.9800
		100		19.9850
		2,209		19.9900
		200		19.9950
		11,526		20.0000
		200		20.0050
		1,828		20.0100
		2,509		20.0200
		1,962		20.0300
		3,606		20.0400
		1,100		20.0600
		1,000		20.0700
		3,107		20.0800
		1,400		20.0900
		800		20.1000
		700		20.1100
		2,868		20.1200
		1,000		20.1400
		1,700		20.1500
		1,801		20.1600
		1,900		20.1700
		658		20.1900
		1,942		20.2000
		100		20.2100
		700		20.2600
		3,673		20.2700
		1,174		20.2800
		500		20.2900
		1,800		20.3000
		4,306		20.3100
		100		20.3150
		4,710		20.3200
		100		20.3250
		3,047		20.3300
		3,000		20.3400
		90		20.3450
		3,106		20.3500
		400		20.3600
		810		20.3700
		6,242		20.3800
		5,141		20.3900
		2,200		20.4000
		1,008		20.4200
		100		20.4600
		1,571		20.4700

- 7 -

Trade Date	# of Shares		Price
		5,580		20.4800
		6,563		20.4900
November 17, 2015		100		20.3800
		62		20.3850
		238		20.3900
		218		20.4600
		1,417		20.4700
		9,811		20.4800
		490		20.4850
		122,918		20.4900
November 18, 2015		15,360		20.4900
November 19, 2015		144		20.4900
November 23, 2015		5,702		20.4900
November 24, 2015		100		20.4850
		16,411		20.4900
November 25, 2015		100		20.2800
		100		20.2900
		445		20.3000
		100		20.3200
		200		20.3400
		400		20.3700
		100		20.3900
		1,502		20.4000
		400		20.4100
		1,000		20.4200
		800		20.4300
		1,200		20.4400
		554		20.4500
		500		20.4600
		1,800		20.4700
		4,385		20.4800
		100		20.4850
		49,844		20.4900
November 27, 2015		1		20.4100
		4		20.4200
		296		20.4500
		2		20.4600
		998		20.4700
		2,438		20.4800
		6,661		20.4900
December 1, 2015		45		20.4800
		34,242		20.4900

- 8 -