Discovery Group I, Llc

Insider Trading: Sales
Symbol Price Amount Total Value Remaining Holdings Date Form 4
ATRC $6.53 10,000 $65,330.00 1,621,334 2012-12-17 Filing
ATRC $6.36 19,934 $126,692.53 1,674,768 2012-12-13 Filing
ATRC $6.13 13,500 $82,749.60 1,694,702 2012-12-12 Filing
ATRC $6.11 19,800 $120,968.10 1,708,202 2012-12-11 Filing
ATRC $6.10 6,035 $36,841.86 1,728,002 2012-12-10 Filing
ATRC $6.13 17,300 $106,021.32 1,734,037 2012-12-07 Filing
ATRC $6.21 8,558 $53,187.11 1,751,337 2012-12-06 Filing
ATRC $6.50 29,700 $193,050.00 202,880 2012-12-04 Filing
ATRC $6.71 1,500 $10,068.90 232,580 2012-12-03 Filing
ATRC $6.81 1,000 $6,811.00 234,080 2012-11-30 Filing
ATRC $6.81 464 $3,160.21 1,792,095 2012-11-28 Filing
ATRC $7.00 200 $1,400.00 1,792,559 2012-11-27 Filing
ATRC $7.16 6,781 $48,561.45 235,744 2012-11-26 Filing
ATRC $7.22 2,093 $15,105.18 1,799,540 2012-11-20 Filing
OPAY $4.40 2,150 $9,460.00 338,058 2012-06-14 Filing
OPAY $3.40 2,150 $7,310.00 338,058 2012-06-14 Filing
OPAY $4.40 1,710 $7,524.51 340,208 2012-06-12 Filing
OPAY $3.90 299,800 $1,169,220.00 0 2012-09-07 Filing
OPAY $3.90 1,829,013 $7,133,150.70 500 2012-09-07 Filing
OPAY $4.03 123 $495.69 299,800 2012-09-06 Filing