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Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Lynnor B. Stevenson,PhDN/A330,1244.94%2006-03-29
Mr. Kevin S. WilsonCEO and President180,0002.69%2016-05-31
Robert B. Grieve,PhDExecutive Chair101,6901.52%2015-08-28
Louise L. McCormickN/A72,0001.08%2010-05-17
Jason A. NapolitanoCOO, CFO, EVP and Secretary63,5440.95%2016-05-03
Carol Talkington Verser,PhDN/A58,3520.87%2005-09-20
William A. AylesworthN/A37,3970.56%2015-03-09
Wisnewski NancyN/A33,7350.51%2016-03-02
John R. FlandersN/A32,5000.49%2008-11-25
Dr. Michael J. McGinley,PhDPresi, Biologic. & Pharm.30,1670.45%2016-05-10

Insider Charts

Insider Transactions

Insider Position Date Buy/Sell Shares Shares Owned Following This (Direct & Indirect) Trade Price ($) Cost ($1000) Price Change
Since Trade (%)
Share Ownership Details
Wilson Kevin S.CEO and President
(Click for the stocks that their CEOs have bought)
2016-06-02Sell20,000516,662$36.74734.8-5.96180,000 (Direct)
138,743 (by Wilson Family Tr.)
124,099 (by Cuattro, LLC)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
20,092 (by Spouse)
Wilson Kevin S.CEO and President2016-05-12Sell5,000397,919$38.5192.5-10.26200,000 (Direct)
124,099 (by Cuattro, LLC)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
20,092 (by Spouse)
Riley Sharon L.Director2016-05-10Sell5,0004,500$36.87184.35-6.294,500 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2016-05-10Sell5,99830,167$36.5218.93-5.3430,167 (Direct)
Wilson Kevin S.CEO and President2016-05-10Sell15,000402,919$36.75551.25-5.99205,000 (Direct)
124,099 (by Cuattro, LLC)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
20,092 (by Spouse)
Wilson Kevin S.CEO and President2016-05-09Sell11,000416,919$35.61391.71-2.98219,000 (Direct)
124,099 (by Cuattro, LLC)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
20,092 (by Spouse)
Wilson Kevin S.CEO and President2016-05-09Sell10,000417,919$35.61356.1-2.98220,000 (Direct)
124,099 (by Cuattro, LLC)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
20,092 (by Spouse)
Riley Sharon L.Director2016-05-05Sell15,0004,500$35.66534.9-3.114,500 (Direct)
NAPOLITANO JASON ACOO, CFO, EVP and Secretary2016-05-03Sell5,00064,146$35.75178.75-3.3663,544 (Direct)
602 (by Spouse)
Riley Sharon L.Director2016-03-08Buy1,0005,500$32.4932.496.345,500 (Direct)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2016-01-27Sell15,00052,502$37555-6.6251,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.11-13.6966,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.11-13.6966,900 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-12-03Sell6,000427,919$35.5213-2.68230,000 (Direct)
13,432 (by Daughter)
13,432 (by Son)
13,432 (by Son II)
13,432 (by Son III)
124,099 (by Cuattro, LLC)
20,092 (by Spouse)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-25Sell95815,928$33.6232.212.7715,928 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-24Sell1,42715,928$33.3347.563.6615,928 (Direct)
Wilson Kevin S.CEO and President2015-11-18Sell6,000433,919$35210-1.29230,000 (Direct)
14,932 (by Daughter)
14,932 (by Son)
14,932 (by Son II)
14,932 (by Son III)
124,099 (by Cuattro, LLC)
20,092 (by Spouse)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-17Sell7,11415,928$35.28250.98-2.0715,928 (Direct)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$33.5156.933.158,100 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$35.5160.33-2.758,100 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-31Sell11,098106,331$33.77374.782.31101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-08-31Sell4,99860,401$33.59167.882.8659,799 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-27Sell3,604106,331$33.79121.782.25101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-17Sell2,498439,919$34.987.18-1230,000 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-17Sell8,033106,331$34.91280.43-1.03101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-14Sell2,101442,417$34.973.32-1232,498 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
Lippincott RodEVP, Companion Animal Sales2015-08-14Sell3,898746$34.19133.271.05746 (Direct)
GRIEVE ROBERT BExecutive Chair2015-08-11Sell19,765106,331$35.05692.76-1.43101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-11Sell5,401444,518$35.11189.63-1.59234,599 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
NAPOLITANO JASON ACFO2015-08-11Sell3,30165,399$35.51117.22-2.764,797 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-04Sell1,050108,831$3536.75-1.29104,190 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-07-30Sell5,53468,700$33.97187.991.7168,098 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-07-13Sell1,000109,881$29.9929.9915.21105,240 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-06-08Sell11,810449,919$30.08355.2414.86240,000 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-06-03Sell17,000111,531$31.36533.1210.17106,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-06-02Sell2,46474,234$31.577.629.6873,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-06-01Sell7,53676,698$32.26243.117.176,096 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-05-27Sell1,500128,531$3146.511.45123,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Eyl Steven M.EVP, Commercial Operations2015-05-22Sell5,9811,169$30.19180.5714.441,169 (Direct)
Riley Sharon L.Director2015-05-18Buy5004,500$29.0514.5318.934,500 (Direct)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000130,031$29.67178.0216.45124,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000136,031$26.54106.1630.18130,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-03-10Sell5,76583,632$26.02150.0132.7883,632 (Direct)
NAPOLITANO JASON ACFO2015-03-10Sell5,76584,234$26.02150.0132.7883,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-03-09Sell5,76584,234$26.02150.0132.7883,632 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-03-09Sell10,000461,729$25.38253.836.13251,810 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-03-09Sell2,000140,031$25.2650.5236.78134,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Sveen David E.Director2014-11-30Buy21,42821,428$14299.99146.79
14,285 (by Bethany Creek)
7,143 (by Lindberg Capital)
Wilson Kevin S.CEO and President2014-11-30Sell28,928471,729$14404.99146.79261,810 (Direct)
124,099 (by Cuattro, LLC)
16,432 (by Daughter)
16,432 (by Son)
16,432 (by Son II)
16,432 (by Son III)
20,092 (by Spouse)
GRIEVE ROBERT BExecutive Chair2014-11-21Sell6,500128,456$15.2599.13126.56122,815 (Direct)
3,077 (by Daughter I)
1,000 (by Daughter II)
1,564 (by Spouse)
McGinley Michael JPresi, Biologic. & Pharm.2014-11-21Sell9,49915,775$15.45146.76123.6215,775 (Direct)
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,00037,397$13.6768.35152.7437,397 (Direct)
GRIEVE ROBERT BCEO2014-08-25Sell1,000135,533$13.413.4157.84129,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,60037,397$13.5321.65155.3637,397 (Direct)
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000136,533$13.57162.84154.61130,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936149,533$10.6910.01223.2142,315 (Direct)
3,077 (by Daughter I)
2,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,20029,797$10.8945.74217.2629,797 (Direct)
Riley Sharon L.Director2014-03-31Buy3,0004,000$10.8132.43219.614,000 (Direct)
WRENN CAROLDirector2014-03-31Buy1,0004,000$10.510.5229.054,000 (Direct)
GRIEVE ROBERT BCEO2014-03-31Sell7,0007,861$10.573.5229.05143 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2013-03-01Buy2,00033,997$8.3416.68314.2733,997 (Direct)
WRENN CAROLDirector2013-03-01Buy3,0003,000$8.3324.99314.773,000 (Direct)
CMC Master Fund, L.P.10% Owner2012-10-11Sell11,865529,664$9.5112.72263.68
529,664 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-08Sell26,514541,529$9.52252.41262.92
541,529 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-03Sell11,002568,043$9.54104.96262.16
568,043 (See Footnote)
AYLESWORTH WILLIAM ADirector2012-08-28Buy2,00031,997$7.9515.9334.5931,997 (Direct)
GRIEVE ROBERT BCEO2012-08-27Buy90085,917$7.977.17333.578,199 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
Zachara ClaudineVP, Marketing2012-02-29Buy200220$9.751.95254.36220 (Direct)
Riley Sharon L.Director2012-02-28Buy1,0001,000$9.379.37268.731,000 (Direct)
GRIEVE ROBERT BCEO2012-02-28Buy30060,776$9.642.89258.453,058 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-27Buy30060,476$9.12.73279.6752,758 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-24Buy42560,176$9.383.99268.3452,458 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2011-08-04Buy69025,000$9.856.8250.7625,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-03Buy80024,310$108245.524,310 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-02Buy51023,510$9.714.95255.8223,510 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-24Buy18023,000$9.081.63280.5123,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-20Buy60022,820$8.825.29291.7222,820 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-18Buy1,29522,220$8.611.14301.7422,220 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-17Buy92520,925$8.457.82308.8820,925 (Direct)
AYLESWORTH WILLIAM ADirector2010-11-22Buy4,28020,000$4.418.83685.23Link
AYLESWORTH WILLIAM ADirector2010-11-19Buy5,72015,720$4.425.17685.23Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-05-27Buy50061,695$73.5393.57Link
AYLESWORTH WILLIAM ADirector2010-05-25Buy19010,000$5.91.12485.59Link
AYLESWORTH WILLIAM ADirector2010-05-24Buy3009,810$6.72.01415.67Link
AYLESWORTH WILLIAM ADirector2010-05-21Buy4009,510$7.12.84386.62Link
GRIEVE ROBERT BCEO2010-05-20Buy65059,753$7.75.01348.7Link
AYLESWORTH WILLIAM ADirector2010-05-20Buy4009,110$7.22.88379.86Link
AYLESWORTH WILLIAM ADirector2010-05-18Buy2008,710$7.41.48366.89Link
McCormick Louise L.Director2010-05-17Buy1,2007,200$7.99.48337.34Link
AYLESWORTH WILLIAM ADirector2010-05-17Buy1408,510$7.51.05360.67Link
AYLESWORTH WILLIAM ADirector2010-05-14Buy1608,370$7.91.26337.34Link
AYLESWORTH WILLIAM ADirector2010-05-13Buy608,210$7.30.44373.29Link
AYLESWORTH WILLIAM ADirector2010-05-12Buy1008,150$7.30.73373.29Link
AYLESWORTH WILLIAM ADirector2010-05-11Buy508,050$7.40.37366.89Link
SASEN JOHN FDirector2010-02-26Buy5003,992$73.5393.57Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-26Buy10060,593$7.80.78342.95Link
AYLESWORTH WILLIAM ADirector2010-02-26Buy1,8008,000$7.112.78386.62Link
GRIEVE ROBERT BCEO2010-02-25Buy1,50051,383$6.59.75431.54Link
McGinley Michael JPresident and COO2010-02-25Buy1,2294,029$6.57.99431.54Link
AYLESWORTH WILLIAM ADirector2010-02-25Buy1,1006,200$6.97.59400.72Link
BENT MICHAEL AV.P.Actg. Officer & Controller2010-02-25Buy3004,387$72.1393.57Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-25Buy7560,493$70.53393.57Link
AYLESWORTH WILLIAM ADirector2010-02-24Buy1,1005,100$6.97.59400.72Link
GORDON G IRWINDirector2010-02-24Buy1,0003,700$77393.57Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-24Buy1,00060,418$6.96.9400.72Link
McCormick Louise L.Director2008-11-25Buy5,5006,000$2.413.21339.58
GRIEVE ROBERT BCEO, Director2008-11-17Buy13,30049,883$339.91051.67
AYLESWORTH WILLIAM ADirector2008-11-14Buy6604,000$3.22.11979.69
SASEN JOHN FDirector2008-02-29Buy2002,030$16.13.22114.6
EIO PETERDirector2007-11-15Buy1,0002,000$20.520.568.54
AYLESWORTH WILLIAM ADirector2007-11-09Buy1,0002,000$202072.75
Snodgrass Gerald LVP, Sales2007-08-23Sell4090$20.58.3868.54
GRIEVE ROBERT BCEO2007-07-31Buy20036,233$18.93.7882.8
NAPOLITANO JASON AExec. VP, CFO & Secretary2007-07-31Buy10058,313$20272.75
Flanders John RV.P., General Counsel2007-07-30Buy250500$20.95.2365.31
Snodgrass Gerald LVP, Sales2007-05-15Sell5,372250$22.7121.9452.2
GORDON G IRWINDirector2006-11-27Buy1,0002,700$17.517.597.43
GRIEVE ROBERT BCEO2006-08-28Buy10043,228$15.51.55122.9Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-28Buy8558,301$15.41.3124.35Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-17Buy10058,217$141.4146.79Link
GRIEVE ROBERT BCEO2006-08-17Buy10043,128$14.11.41145.04Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-16Buy10058,117$14.31.43141.61Link
GRIEVE ROBERT BCEO2006-08-16Buy10043,028$14.11.41145.04Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-15Buy10058,017$14.41.44139.93Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-08Buy10057,917$141.4146.79Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-04Buy10057,817$131.3165.77Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-03Buy10057,717$13.11.31163.74Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-11-11Buy5056,867$11.90.6190.34Link
GRIEVE ROBERT BCEO2005-11-04Sell11,81243,358$13153.56165.77Link
GORDON G IRWINDirector2005-10-28Buy2001,700$10.32.06235.44Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-28Buy30056,215$10.23.06238.73Link
SASEN JOHN FDirector2005-10-27Buy200200$10.82.16219.91Link
STEVENSON LYNNOR BDirector2005-10-26Buy20026,026$10.22.04238.73Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-26Buy65055,915$106.5245.5Link
EIO PETERDirector2005-08-31Buy1,0001,000$7.57.5360.67Link
DEMARSE ELISABETH HDirector2005-08-30Buy250250$71.75393.57Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-08-29Buy10055,265$7.50.75360.67Link
GORDON G IRWINDirector2005-08-24Buy1,0001,500$7.57.5360.67Link
STEVENSON LYNNOR BDirector2005-08-22Buy50025,826$7.93.95337.34Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-20Buy14040,003$8.11.13326.54Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-19Buy1,75039,863$8.314.53316.27Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-18Buy1,70038,113$7.813.26342.95Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-17Buy10036,413$7.50.75360.67Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-11-30Sell3,925615$1143.18214.09Link
STEVENSON LYNNOR BDirector2004-11-22Buy50025,326$11.55.75200.43Link
GORDON G IRWINDirector2004-06-01Buy500500$14.97.45131.88Link
NAPOLITANO JASON AExec VP, CFO & Secretary2004-02-27Buy10035,250$28.82.8819.97Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-02-27Sell752,615$23.41.7647.65Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-22Buy53034,650$12.96.84167.83Link
GRIEVE ROBERT BCEO2003-08-22Buy20058,108$132.6165.77Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-19Buy1,30034,120$11.815.34192.8Link
STEVENSON LYNNOR BDirector2003-08-15Buy50024,778$11.45.7203.07Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-15Buy1,70032,820$11.319.21205.75Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-14Buy1,51031,120$1116.61214.09Link

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.

"Shares" change (fifth column), "Shares Owned Following This (Direct & Indirect)" transactions (sixth column), and "Trade Price ($)" (seventh column) are split adjusted. The "Share Ownership Details" (last column) displayed data is as of reported (also split adjusted).

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