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Top Direct Holders

HolderPositionShares% of Shares
Report Date
Lynnor B. Stevenson,PhDDirector330,1245.09%2006-03-29
Mr. Kevin S. WilsonCEO and President251,8103.89%2015-03-09
Robert B. Grieve,PhDExecutive Chair130,7402.02%2015-04-13
Jason A. NapolitanoCFO83,6321.29%2015-03-10
Louise L. McCormickDirector72,0001.11%2010-05-17
Carol Talkington Verser,PhDN/A58,3520.9%2005-09-20
William A. AylesworthDirector37,3970.58%2015-03-09
John R. FlandersN/A32,5000.5%2008-11-25
Dr. Michael J. McGinley,PhDPresi, Biologic. & Pharm.15,7750.24%2014-11-21
Wisnewski NancyN/A14,0180.22%2015-01-16

Insider Charts

Insider Transactions

Insider Position Date Buy/Sell Shares Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000$29.671782.53Link
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000$26.54106.214.62Link
(Click for the stocks that their CFOs have bought)
GRIEVE ROBERT BExecutive Chair2015-03-09Sell2,000$25.2650.520.43Link
Wilson Kevin S.CEO and President
(Click for the stocks that their CEOs have bought)
NAPOLITANO JASON ACFO2015-03-09Sell5,765$26.0215016.91Link
Wilson Kevin S.CEO and President2014-11-30Sell28,928$14405117.29Link
Sveen David E.Director2014-11-30Buy21,428$14300117.29Link
McGinley Michael JPresi, Biologic. & Pharm.2014-11-21Sell9,499$15.45146.896.89Link
GRIEVE ROBERT BExecutive Chair2014-11-21Sell6,500$15.2599.199.48Link
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,000$13.6768.4122.53Link
GRIEVE ROBERT BCEO2014-08-25Sell1,000$13.413.4127.01Link
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,600$13.5321.6124.83Link
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000$13.57162.8124.17Link
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936$10.6910184.57Link
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,200$10.8945.7179.34Link
WRENN CAROLDirector2014-03-31Buy1,000$10.510.5189.71Link
Riley Sharon L.Director2014-03-31Buy3,000$10.8132.4181.41Link
GRIEVE ROBERT BCEO2014-03-31Sell7,000$10.573.5189.71Link
WRENN CAROLDirector2013-03-01Buy3,000$8.3325265.19Link

Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as Conversion of derivative security or Exercise of Options are not included. Insiders are only limited to Officers and/or Directors of the company.

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