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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 President200,0002.99%2016-05-12
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)
2016-05-12Sell5,000397,919$38.5192.5-5.61200,000 (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$36.87184.4-1.444,500 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2016-05-10Sell5,99830,167$36.5218.9-0.4430,167 (Direct)
Wilson Kevin S.CEO and President2016-05-10Sell15,000402,919$36.75551.3-1.12205,000 (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$35.61391.72.05219,000 (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$35.61356.12.05220,000 (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$35.66534.91.914,500 (Direct)
NAPOLITANO JASON ACOO, CFO, EVP and Secretary2016-05-03Sell5,00064,146$35.75178.81.6563,544 (Direct)
602 (by Spouse)
Riley Sharon L.Director2016-03-08Buy1,0005,500$32.4932.511.855,500 (Direct)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2016-01-27Sell15,00052,502$37555-1.7851,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.1-9.2266,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.1-9.2266,900 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-12-03Sell6,000427,919$35.52132.37230,000 (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$33.6232.28.0915,928 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-24Sell1,42715,928$33.3347.69.0315,928 (Direct)
Wilson Kevin S.CEO and President2015-11-18Sell6,000433,919$352103.83230,000 (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$35.28251315,928 (Direct)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$33.5156.98.4558,100 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$35.5160.32.3458,100 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-31Sell11,098106,331$33.77374.87.61101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-08-31Sell4,99860,401$33.59167.98.1959,799 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-27Sell3,604106,331$33.79121.87.55101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-17Sell2,498439,919$34.987.24.13230,000 (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$34.91280.44.1101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-14Sell2,101442,417$34.973.34.13232,498 (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$34.19133.36.29746 (Direct)
GRIEVE ROBERT BExecutive Chair2015-08-11Sell19,765106,331$35.05692.83.68101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-11Sell5,401444,518$35.11189.63.5234,599 (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$35.51117.22.3464,797 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-04Sell1,050108,831$3536.83.83104,190 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-07-30Sell5,53468,700$33.971886.9868,098 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-07-13Sell1,000109,881$29.993021.17105,240 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-06-08Sell11,810449,919$30.08355.220.81240,000 (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$31.36533.115.88106,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-06-02Sell2,46474,234$31.577.615.3773,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-06-01Sell7,53676,698$32.26243.112.6576,096 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-05-27Sell1,500128,531$3146.517.23123,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Eyl Steven M.EVP, Commercial Operations2015-05-22Sell5,9811,169$30.19180.620.371,169 (Direct)
Riley Sharon L.Director2015-05-18Buy5004,500$29.0514.525.094,500 (Direct)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000130,031$29.6717822.48124,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000136,031$26.54106.236.93130,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-03-10Sell5,76583,632$26.0215039.6683,632 (Direct)
NAPOLITANO JASON ACFO2015-03-10Sell5,76584,234$26.0215039.6683,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-03-09Sell5,76584,234$26.0215039.6683,632 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-03-09Sell10,000461,729$25.38253.843.18251,810 (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$25.2650.543.86134,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Sveen David E.Director2014-11-30Buy21,42821,428$14300159.57
14,285 (by Bethany Creek)
7,143 (by Lindberg Capital)
Wilson Kevin S.CEO and President2014-11-30Sell28,928471,729$14405159.57261,810 (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$15.2599.1138.3122,815 (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$15.45146.8135.2115,775 (Direct)
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,00037,397$13.6768.4165.8437,397 (Direct)
GRIEVE ROBERT BCEO2014-08-25Sell1,000135,533$13.413.4171.19129,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,60037,397$13.5321.6168.5937,397 (Direct)
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000136,533$13.57162.8167.8130,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936149,533$10.6910239.94142,315 (Direct)
3,077 (by Daughter I)
2,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,20029,797$10.8945.7233.729,797 (Direct)
Riley Sharon L.Director2014-03-31Buy3,0004,000$10.8132.4236.174,000 (Direct)
WRENN CAROLDirector2014-03-31Buy1,0004,000$10.510.5246.14,000 (Direct)
GRIEVE ROBERT BCEO2014-03-31Sell7,0007,861$10.573.5246.1143 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2013-03-01Buy2,00033,997$8.3416.7335.7333,997 (Direct)
WRENN CAROLDirector2013-03-01Buy3,0003,000$8.3325336.253,000 (Direct)
CMC Master Fund, L.P.10% Owner2012-10-11Sell11,865529,664$9.5112.7282.53
529,664 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-08Sell26,514541,529$9.52252.4281.72
541,529 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-03Sell11,002568,043$9.54105280.92
568,043 (See Footnote)
AYLESWORTH WILLIAM ADirector2012-08-28Buy2,00031,997$7.9515.9357.1131,997 (Direct)
GRIEVE ROBERT BCEO2012-08-27Buy90085,917$7.977.2355.9678,199 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
Zachara ClaudineVP, Marketing2012-02-29Buy200220$9.752272.72220 (Direct)
Riley Sharon L.Director2012-02-28Buy1,0001,000$9.379.4287.831,000 (Direct)
GRIEVE ROBERT BCEO2012-02-28Buy30060,776$9.642.9276.9753,058 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-27Buy30060,476$9.12.7299.3452,758 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-24Buy42560,176$9.384287.4252,458 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2011-08-04Buy69025,000$9.856.8268.9325,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-03Buy80024,310$108263.424,310 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-02Buy51023,510$9.715274.2523,510 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-24Buy18023,000$9.081.6300.2223,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-20Buy60022,820$8.825.3312.0222,820 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-18Buy1,29522,220$8.611.1322.5622,220 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-17Buy92520,925$8.457.8330.0620,925 (Direct)
AYLESWORTH WILLIAM ADirector2010-11-22Buy4,28020,000$0.441.9725.91Link
AYLESWORTH WILLIAM ADirector2010-11-19Buy5,72015,720$0.442.5725.91Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-05-27Buy50061,695$0.70.4419.14Link
AYLESWORTH WILLIAM ADirector2010-05-25Buy19010,000$0.590.1515.93Link
AYLESWORTH WILLIAM ADirector2010-05-24Buy3009,810$0.670.2442.39Link
AYLESWORTH WILLIAM ADirector2010-05-21Buy4009,510$0.710.3411.83Link
GRIEVE ROBERT BCEO2010-05-20Buy65059,753$0.770.5371.95Link
AYLESWORTH WILLIAM ADirector2010-05-20Buy4009,110$0.720.3404.72Link
AYLESWORTH WILLIAM ADirector2010-05-18Buy2008,710$0.740.1391.08Link
McCormick Louise L.Director2010-05-17Buy1,2007,200$0.790.9360Link
AYLESWORTH WILLIAM ADirector2010-05-17Buy1408,510$0.750.1384.53Link
AYLESWORTH WILLIAM ADirector2010-05-14Buy1608,370$0.790.1360Link
AYLESWORTH WILLIAM ADirector2010-05-13Buy608,210$0.730397.81Link
AYLESWORTH WILLIAM ADirector2010-05-12Buy1008,150$0.730.1397.81Link
AYLESWORTH WILLIAM ADirector2010-05-11Buy508,050$0.740391.08Link
SASEN JOHN FDirector2010-02-26Buy5003,992$0.70.4419.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-26Buy10060,593$0.780.1365.9Link
AYLESWORTH WILLIAM ADirector2010-02-26Buy1,8008,000$0.711.3411.83Link
GRIEVE ROBERT BCEO2010-02-25Buy1,50051,383$0.651459.08Link
McGinley Michael JPresident and COO2010-02-25Buy1,2294,029$0.650.8459.08Link
AYLESWORTH WILLIAM ADirector2010-02-25Buy1,1006,200$0.690.8426.67Link
BENT MICHAEL AV.P.Actg. Officer & Controller2010-02-25Buy3004,387$0.70.2419.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-25Buy7560,493$0.70.1419.14Link
AYLESWORTH WILLIAM ADirector2010-02-24Buy1,1005,100$0.690.8426.67Link
GORDON G IRWINDirector2010-02-24Buy1,0003,700$0.70.7419.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-24Buy1,00060,418$0.690.7426.67Link
McCormick Louise L.Director2008-11-25Buy5,5006,000$0.241.31414.17
GRIEVE ROBERT BCEO, Director2008-11-17Buy13,30049,883$0.341111.33
AYLESWORTH WILLIAM ADirector2008-11-14Buy6604,000$0.320.21035.63
SASEN JOHN FDirector2008-02-29Buy2002,030$1.610.3125.71
EIO PETERDirector2007-11-15Buy1,0002,000$2.052.177.27
AYLESWORTH WILLIAM ADirector2007-11-09Buy1,0002,000$2281.7
Snodgrass Gerald LVP, Sales2007-08-23Sell4090$2.050.877.27
GRIEVE ROBERT BCEO2007-07-31Buy20036,233$1.890.492.28
NAPOLITANO JASON AExec. VP, CFO & Secretary2007-07-31Buy10058,313$20.281.7
Flanders John RV.P., General Counsel2007-07-30Buy250500$2.090.573.88
Snodgrass Gerald LVP, Sales2007-05-15Sell5,372250$2.2712.260.09
GORDON G IRWINDirector2006-11-27Buy1,0002,700$1.751.8107.66
GRIEVE ROBERT BCEO2006-08-28Buy10043,228$1.550.2134.45Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-28Buy8558,301$1.540.1135.97Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-17Buy10058,217$1.40.1159.57Link
GRIEVE ROBERT BCEO2006-08-17Buy10043,128$1.410.1157.73Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-16Buy10058,117$1.430.1154.13Link
GRIEVE ROBERT BCEO2006-08-16Buy10043,028$1.410.1157.73Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-15Buy10058,017$1.440.1152.36Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-08Buy10057,917$1.40.1159.57Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-04Buy10057,817$1.30.1179.54Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-03Buy10057,717$1.310.1177.4Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-11-11Buy5056,867$1.190.1205.38Link
GRIEVE ROBERT BCEO2005-11-04Sell11,81243,358$1.315.4179.54Link
GORDON G IRWINDirector2005-10-28Buy2001,700$1.030.2252.82Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-28Buy30056,215$1.020.3256.27Link
SASEN JOHN FDirector2005-10-27Buy200200$1.080.2236.48Link
STEVENSON LYNNOR BDirector2005-10-26Buy20026,026$1.020.2256.27Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-26Buy65055,915$10.7263.4Link
EIO PETERDirector2005-08-31Buy1,0001,000$0.750.8384.53Link
DEMARSE ELISABETH HDirector2005-08-30Buy250250$0.70.2419.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-08-29Buy10055,265$0.750.1384.53Link
GORDON G IRWINDirector2005-08-24Buy1,0001,500$0.750.8384.53Link
STEVENSON LYNNOR BDirector2005-08-22Buy50025,826$0.790.4360Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-20Buy14040,003$0.810.1348.64Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-19Buy1,75039,863$0.831.5337.83Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-18Buy1,70038,113$0.781.3365.9Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-17Buy10036,413$0.750.1384.53Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-11-30Sell3,925615$1.14.3230.36Link
STEVENSON LYNNOR BDirector2004-11-22Buy50025,326$1.150.6216Link
GORDON G IRWINDirector2004-06-01Buy500500$1.490.7143.89Link
NAPOLITANO JASON AExec VP, CFO & Secretary2004-02-27Buy10035,250$2.880.326.18Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-02-27Sell752,615$2.340.255.3Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-22Buy53034,650$1.290.7181.71Link
GRIEVE ROBERT BCEO2003-08-22Buy20058,108$1.30.3179.54Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-19Buy1,30034,120$1.181.5207.97Link
STEVENSON LYNNOR BDirector2003-08-15Buy50024,778$1.140.6218.77Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-15Buy1,70032,820$1.131.9221.59Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-14Buy1,51031,120$1.11.7230.36Link

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) and "Shares Owned Following This (Direct & Indirect)" transactions (sixth column) are split adjusted. The "Share Ownership Details" (last column) displayed data is as of reported.

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