Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 25,000 $9.47 $236,750 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 100,000 $9.02 $902,000 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 36,717 $9.85 $361,662 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 32,856 $9.98 $327,903 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 25,000 $9.81 $245,250 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 32,500 $9.53 $309,725 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 55,700 $9.65 $537,505 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 11,958 $9.66 $115,514 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 16,546 $9.93 $164,302 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 34,366 $9.71 $333,694 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 149,120 $9.68 $1,443,482 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 200,000 $10.5 $2,100,000 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 142,900 $10.9 $1,557,610 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 5,951 $9.69 $57,665 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 10,000 $8.72 $87,200 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 50,000 $8.14 $407,000 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 58,054 $8.91 $517,261 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 109,100 $8.97 $978,627 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 111,111 $9.51 $1,056,666 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 367,813 $9.89 $3,637,671 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 91,506 $9.35 $855,581 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 37,643 $9.33 $351,209 Purchase
VENROCK HEALTHCARE CAPITAL PARTNERS II, L.P. 10 percent ow.. 10 percent owner
Common Stock 61,722 $8.78 $541,919 Sale
ISERN BRIAN M. other other
Common Stock 3,895 $10.61 $41,326 Sale
ISERN BRIAN M. other other
Common Stock 6,138 $10.61 $65,124 Sale
ISERN BRIAN M. other other
Common Stock 1,771 $10.61 $18,790 Sale
ISERN BRIAN M. other other
Common Stock 11,078 $10.97 $121,526 Sale
ISERN BRIAN M. other other
Common Stock 17,456 $10.97 $191,492 Sale
ISERN BRIAN M. other other
Common Stock 5,035 $10.97 $55,234 Sale
ISERN BRIAN M. other other
Common Stock 240 $11.9 $2,856 Sale
ISERN BRIAN M. other other
Common Stock 377 $11.9 $4,486 Sale
ISERN BRIAN M. other other
Common Stock 109 $11.9 $1,297 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 7,500 $8.54 $64,050 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 931 $8.38 $7,802 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 2,550 $8.01 $20,426 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 500 $8 $4,000 Sale
KLAERNER GERRIT director, officer: President and CEO director, officer: President an..
Common Stock 8,000 $7.84 $62,720 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 15,722 $8.03 $126,248 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 1,600 $8.02 $12,832 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 800 $7.72 $6,176 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 10,297 $7.9 $81,346 Sale
KLAERNER GERRIT director, officer: President and CEO director, officer: President an..
Common Stock 126,000 $6.02 $758,520 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 5,000 $4.22 $21,100 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 5,000 $4.23 $21,150 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 1,354 $4.01 $5,430 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 546 $3.87 $2,113 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 3,100 $3.96 $12,276 Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 2,500 N/A N/A Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 2,500 N/A N/A Sale
COUFAL SANDRA I director, 10 percent owner director, 10 percent owner
Common Stock 5,000 $4.78 $23,900