EX-1 2 ex_1.htm EXHIBIT 1

 
EXHIBIT 1
 
TRANSACTIONS DURING PAST 60 DAYS
 
The Reporting Persons engaged in the following transactions in shares of Common Stock of the Company during the past 60 days.  Such transactions involved the purchase of shares on the NASDAQ Global Market.  The prices reported below reflect the weighted average purchase price of the shares of Common Stock purchased on the relevant date.  The Reporting Persons hereby undertake to provide upon request to the SEC staff full information regarding the number of shares and prices at which each transaction was effected.
 
Date
  
Type
  
Price
    
Shares
10/22/2013
  
Purchase
  
 $    5.7437
1
  
22300
10/23/2013
  
Purchase
  
 $    5.7306
2
  
8650
11/14/2013
  
Purchase
  
 $    6.2659
3
  
74609
11/15/2013
  
Purchase
  
 $    6.2791
4
  
14300
11/18/2013
  
Purchase
  
 $    6.4062
5
  
22000
11/19/2013
  
Purchase
  
 $    6.3226
6
  
38705
11/20/2013
  
Purchase
  
 $    6.2672
7
  
29000
11/21/2013
  
Purchase
  
 $    6.3490
8
  
25094
11/22/2013
  
Purchase
  
 $    6.4302
9
  
23000
11/25/2013
  
Purchase
  
 $    6.4697
10
  
33926
12/3/2013
  
Purchase
  
 $    6.4047
11
  
36376
12/4/2013
  
Purchase
  
 $    6.3812
12
  
22544
12/5/2013
  
Purchase
  
 $    6.3762
13
  
16766
12/6/2013
  
Purchase
  
 $    6.4605
14
  
23566
12/9/2013
  
Purchase
  
 $    6.3767
15
  
21873
12/10/2013
  
Purchase
  
 $    6.4949
16
  
29300
12/11/2013
  
Purchase
  
 $    6.4958
17
  
16679
12/12/2013
  
Purchase
  
 $    6.4967
18
  
21141

1 This transaction was executed in multiple trades at prices ranging from $5.65 – 5.75. 
2 This transaction was executed in multiple trades at prices ranging from $5.72 – 5.75. 
3 This transaction was executed in multiple trades at prices ranging from $6.21 – 6.30. 
4 This transaction was executed in multiple trades at prices ranging from $6.2450 – 6.32. 
5 This transaction was executed in multiple trades at prices ranging from $6.240 – 6.41. 
6 This transaction was executed in multiple trades at prices ranging from $6.27 – 6.40. 
7 This transaction was executed in multiple trades at prices ranging from $6.21 – 6.31. 
8 This transaction was executed in multiple trades at prices ranging from $6.30 – 6.38. 
9 This transaction was executed in multiple trades at prices ranging from $6.37 – 6.45. 
10 This transaction was executed in multiple trades at prices ranging from $6.4150 – 6.50. 
11 This transaction was executed in multiple trades at prices ranging from $6.34 – 6.50. 
12 This transaction was executed in multiple trades at prices ranging from $6.33 – 6.42. 
13 This transaction was executed in multiple trades at prices ranging from $6.34 – 6.43. 
14 This transaction was executed in multiple trades at prices ranging from $6.43 – 6.50. 
15 This transaction was executed in multiple trades at prices ranging from $6.32 – 6.40. 
16 This transaction was executed in multiple trades at prices ranging from $6.42 – 6.50. 
17 This transaction was executed in multiple trades at prices ranging from $6.46 – 6.50. 
18 This transaction was executed in multiple trades at prices ranging from $6.48 – 6.50.