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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$38.5192.5-4.65200,000 (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$36.87184.4-0.434,500 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2016-05-10Sell5,99830,167$36.5218.90.5830,167 (Direct)
Wilson Kevin S.CEO and President2016-05-10Sell15,000402,919$36.75551.3-0.11205,000 (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$35.61391.73.09219,000 (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$35.61356.13.09220,000 (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$35.66534.92.944,500 (Direct)
NAPOLITANO JASON ACOO, CFO, EVP and Secretary2016-05-03Sell5,00064,146$35.75178.82.6963,544 (Direct)
602 (by Spouse)
Riley Sharon L.Director2016-03-08Buy1,0005,500$32.4932.512.995,500 (Direct)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2016-01-27Sell15,00052,502$37555-0.7851,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.1-8.2966,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.1-8.2966,900 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-12-03Sell6,000427,919$35.52133.41230,000 (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$33.6232.29.1915,928 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-24Sell1,42715,928$33.3347.610.1415,928 (Direct)
Wilson Kevin S.CEO and President2015-11-18Sell6,000433,919$352104.89230,000 (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$35.282514.0515,928 (Direct)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$33.5156.99.5558,100 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$35.5160.33.3858,100 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-31Sell11,098106,331$33.77374.88.71101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-08-31Sell4,99860,401$33.59167.99.2959,799 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-27Sell3,604106,331$33.79121.88.64101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-17Sell2,498439,919$34.987.25.19230,000 (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$34.91280.45.16101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-14Sell2,101442,417$34.973.35.19232,498 (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$34.19133.37.37746 (Direct)
GRIEVE ROBERT BExecutive Chair2015-08-11Sell19,765106,331$35.05692.84.74101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-11Sell5,401444,518$35.11189.64.56234,599 (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$35.51117.23.3864,797 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-04Sell1,050108,831$3536.84.89104,190 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-07-30Sell5,53468,700$33.971888.0768,098 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-07-13Sell1,000109,881$29.993022.41105,240 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-06-08Sell11,810449,919$30.08355.222.04240,000 (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$31.36533.117.06106,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-06-02Sell2,46474,234$31.577.616.5473,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-06-01Sell7,53676,698$32.26243.113.7976,096 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-05-27Sell1,500128,531$3146.518.42123,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Eyl Steven M.EVP, Commercial Operations2015-05-22Sell5,9811,169$30.19180.621.61,169 (Direct)
Riley Sharon L.Director2015-05-18Buy5004,500$29.0514.526.374,500 (Direct)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000130,031$29.6717823.73124,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000136,031$26.54106.238.32130,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-03-10Sell5,76583,632$26.0215041.0883,632 (Direct)
NAPOLITANO JASON ACFO2015-03-10Sell5,76584,234$26.0215041.0883,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-03-09Sell5,76584,234$26.0215041.0883,632 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-03-09Sell10,000461,729$25.38253.844.64251,810 (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$25.2650.545.33134,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Sveen David E.Director2014-11-30Buy21,42821,428$14300162.21
14,285 (by Bethany Creek)
7,143 (by Lindberg Capital)
Wilson Kevin S.CEO and President2014-11-30Sell28,928471,729$14405162.21261,810 (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$15.2599.1140.72122,815 (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$15.45146.8137.6115,775 (Direct)
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,00037,397$13.6768.4168.5437,397 (Direct)
GRIEVE ROBERT BCEO2014-08-25Sell1,000135,533$13.413.4173.96129,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,60037,397$13.5321.6171.3237,397 (Direct)
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000136,533$13.57162.8170.52130,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936149,533$10.6910243.41142,315 (Direct)
3,077 (by Daughter I)
2,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,20029,797$10.8945.7237.129,797 (Direct)
Riley Sharon L.Director2014-03-31Buy3,0004,000$10.8132.4239.594,000 (Direct)
WRENN CAROLDirector2014-03-31Buy1,0004,000$10.510.5249.624,000 (Direct)
GRIEVE ROBERT BCEO2014-03-31Sell7,0007,861$10.573.5249.62143 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2013-03-01Buy2,00033,997$8.3416.7340.1733,997 (Direct)
WRENN CAROLDirector2013-03-01Buy3,0003,000$8.3325340.73,000 (Direct)
CMC Master Fund, L.P.10% Owner2012-10-11Sell11,865529,664$9.5112.7286.42
529,664 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-08Sell26,514541,529$9.52252.4285.61
541,529 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-03Sell11,002568,043$9.54105284.8
568,043 (See Footnote)
AYLESWORTH WILLIAM ADirector2012-08-28Buy2,00031,997$7.9515.9361.7631,997 (Direct)
GRIEVE ROBERT BCEO2012-08-27Buy90085,917$7.977.2360.678,199 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
Zachara ClaudineVP, Marketing2012-02-29Buy200220$9.752276.51220 (Direct)
Riley Sharon L.Director2012-02-28Buy1,0001,000$9.379.4291.781,000 (Direct)
GRIEVE ROBERT BCEO2012-02-28Buy30060,776$9.642.9280.8153,058 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-27Buy30060,476$9.12.7303.4152,758 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-24Buy42560,176$9.384291.3652,458 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2011-08-04Buy69025,000$9.856.8272.6925,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-03Buy80024,310$108267.124,310 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-02Buy51023,510$9.715278.0623,510 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-24Buy18023,000$9.081.6304.323,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-20Buy60022,820$8.825.3316.2122,820 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-18Buy1,29522,220$8.611.1326.8622,220 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-17Buy92520,925$8.457.8334.4420,925 (Direct)
AYLESWORTH WILLIAM ADirector2010-11-22Buy4,28020,000$0.441.9734.32Link
AYLESWORTH WILLIAM ADirector2010-11-19Buy5,72015,720$0.442.5734.32Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-05-27Buy50061,695$0.70.4424.43Link
AYLESWORTH WILLIAM ADirector2010-05-25Buy19010,000$0.590.1522.2Link
AYLESWORTH WILLIAM ADirector2010-05-24Buy3009,810$0.670.2447.91Link
AYLESWORTH WILLIAM ADirector2010-05-21Buy4009,510$0.710.3417.04Link
GRIEVE ROBERT BCEO2010-05-20Buy65059,753$0.770.5376.75Link
AYLESWORTH WILLIAM ADirector2010-05-20Buy4009,110$0.720.3409.86Link
AYLESWORTH WILLIAM ADirector2010-05-18Buy2008,710$0.740.1396.08Link
McCormick Louise L.Director2010-05-17Buy1,2007,200$0.790.9364.68Link
AYLESWORTH WILLIAM ADirector2010-05-17Buy1408,510$0.750.1389.47Link
AYLESWORTH WILLIAM ADirector2010-05-14Buy1608,370$0.790.1364.68Link
AYLESWORTH WILLIAM ADirector2010-05-13Buy608,210$0.730402.88Link
AYLESWORTH WILLIAM ADirector2010-05-12Buy1008,150$0.730.1402.88Link
AYLESWORTH WILLIAM ADirector2010-05-11Buy508,050$0.740396.08Link
SASEN JOHN FDirector2010-02-26Buy5003,992$0.70.4424.43Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-26Buy10060,593$0.780.1370.64Link
AYLESWORTH WILLIAM ADirector2010-02-26Buy1,8008,000$0.711.3417.04Link
GRIEVE ROBERT BCEO2010-02-25Buy1,50051,383$0.651464.77Link
McGinley Michael JPresident and COO2010-02-25Buy1,2294,029$0.650.8464.77Link
AYLESWORTH WILLIAM ADirector2010-02-25Buy1,1006,200$0.690.8432.03Link
BENT MICHAEL AV.P.Actg. Officer & Controller2010-02-25Buy3004,387$0.70.2424.43Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-25Buy7560,493$0.70.1424.43Link
AYLESWORTH WILLIAM ADirector2010-02-24Buy1,1005,100$0.690.8432.03Link
GORDON G IRWINDirector2010-02-24Buy1,0003,700$0.70.7424.43Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-24Buy1,00060,418$0.690.7432.03Link
McCormick Louise L.Director2008-11-25Buy5,5006,000$0.241.31429.58
GRIEVE ROBERT BCEO, Director2008-11-17Buy13,30049,883$0.341123.67
AYLESWORTH WILLIAM ADirector2008-11-14Buy6604,000$0.320.21047.19
SASEN JOHN FDirector2008-02-29Buy2002,030$1.610.3128.01
EIO PETERDirector2007-11-15Buy1,0002,000$2.052.179.07
AYLESWORTH WILLIAM ADirector2007-11-09Buy1,0002,000$2283.55
Snodgrass Gerald LVP, Sales2007-08-23Sell4090$2.050.879.07
GRIEVE ROBERT BCEO2007-07-31Buy20036,233$1.890.494.23
NAPOLITANO JASON AExec. VP, CFO & Secretary2007-07-31Buy10058,313$20.283.55
Flanders John RV.P., General Counsel2007-07-30Buy250500$2.090.575.65
Snodgrass Gerald LVP, Sales2007-05-15Sell5,372250$2.2712.261.72
GORDON G IRWINDirector2006-11-27Buy1,0002,700$1.751.8109.77
GRIEVE ROBERT BCEO2006-08-28Buy10043,228$1.550.2136.84Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-28Buy8558,301$1.540.1138.38Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-17Buy10058,217$1.40.1162.21Link
GRIEVE ROBERT BCEO2006-08-17Buy10043,128$1.410.1160.35Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-16Buy10058,117$1.430.1156.71Link
GRIEVE ROBERT BCEO2006-08-16Buy10043,028$1.410.1160.35Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-15Buy10058,017$1.440.1154.93Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-08Buy10057,917$1.40.1162.21Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-04Buy10057,817$1.30.1182.38Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-03Buy10057,717$1.310.1180.23Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-11-11Buy5056,867$1.190.1208.49Link
GRIEVE ROBERT BCEO2005-11-04Sell11,81243,358$1.315.4182.38Link
GORDON G IRWINDirector2005-10-28Buy2001,700$1.030.2256.41Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-28Buy30056,215$1.020.3259.9Link
SASEN JOHN FDirector2005-10-27Buy200200$1.080.2239.91Link
STEVENSON LYNNOR BDirector2005-10-26Buy20026,026$1.020.2259.9Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-26Buy65055,915$10.7267.1Link
EIO PETERDirector2005-08-31Buy1,0001,000$0.750.8389.47Link
DEMARSE ELISABETH HDirector2005-08-30Buy250250$0.70.2424.43Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-08-29Buy10055,265$0.750.1389.47Link
GORDON G IRWINDirector2005-08-24Buy1,0001,500$0.750.8389.47Link
STEVENSON LYNNOR BDirector2005-08-22Buy50025,826$0.790.4364.68Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-20Buy14040,003$0.810.1353.21Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-19Buy1,75039,863$0.831.5342.29Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-18Buy1,70038,113$0.781.3370.64Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-17Buy10036,413$0.750.1389.47Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-11-30Sell3,925615$1.14.3233.73Link
STEVENSON LYNNOR BDirector2004-11-22Buy50025,326$1.150.6219.22Link
GORDON G IRWINDirector2004-06-01Buy500500$1.490.7146.38Link
NAPOLITANO JASON AExec VP, CFO & Secretary2004-02-27Buy10035,250$2.880.327.47Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-02-27Sell752,615$2.340.256.88Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-22Buy53034,650$1.290.7184.57Link
GRIEVE ROBERT BCEO2003-08-22Buy20058,108$1.30.3182.38Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-19Buy1,30034,120$1.181.5211.1Link
STEVENSON LYNNOR BDirector2003-08-15Buy50024,778$1.140.6222.02Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-15Buy1,70032,820$1.131.9224.87Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-14Buy1,51031,120$1.11.7233.73Link

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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