Discovery Group I, Llc

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
ATRC $11.17 4,400 Large Shareholder 244,618 2012-01-13 Filing
ATRC $11.20 2,545 Large Shareholder 249,018 2012-01-12 Filing
ATRC $11.32 1,827 Large Shareholder 251,563 2012-01-11 Filing
ATRC $11.32 4,473 Large Shareholder 1,557,015 2012-01-11 Filing
ATRC $11.13 2,464 Large Shareholder 253,390 2012-01-10 Filing
ATRC $11.13 4,536 Large Shareholder 1,561,488 2012-01-10 Filing
ATRC $11.06 100 Large Shareholder 1,566,024 2012-01-09 Filing
ATRC $12.14 313 Large Shareholder 255,854 2011-10-24 Filing
ATRC $12.14 987 Large Shareholder 1,566,124 2011-10-24 Filing
ATRC $12.09 200 Large Shareholder 256,167 2011-10-21 Filing
ATRC $12.01 8,762 Large Shareholder 256,367 2011-10-20 Filing
ATRC $12.01 32,221 Large Shareholder 1,567,111 2011-10-20 Filing
ATRC $12.00 1,845 Large Shareholder 265,129 2011-10-19 Filing
ATRC $12.00 5,687 Large Shareholder 1,599,332 2011-10-19 Filing
ATRC $12.02 2,688 Large Shareholder 266,974 2011-10-18 Filing
ATRC $12.02 16,108 Large Shareholder 1,605,019 2011-10-18 Filing
ATRC $12.08 600 Large Shareholder 269,662 2011-10-17 Filing
TESS $12.07 1,802 Large Shareholder 652,084 2011-07-13 Filing
TESS $12.09 780 Large Shareholder 109,947 2011-07-08 Filing
TESS $12.09 4,097 Large Shareholder 653,886 2011-07-08 Filing