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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$36.74734.84.79180,000 (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$38.5192.50200,000 (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$36.87184.354.424,500 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2016-05-10Sell5,99830,167$36.5218.935.4830,167 (Direct)
Wilson Kevin S.CEO and President2016-05-10Sell15,000402,919$36.75551.254.76205,000 (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$35.61391.718.12219,000 (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$35.61356.18.12220,000 (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$35.66534.97.964,500 (Direct)
NAPOLITANO JASON ACOO, CFO, EVP and Secretary2016-05-03Sell5,00064,146$35.75178.757.6963,544 (Direct)
602 (by Spouse)
Riley Sharon L.Director2016-03-08Buy1,0005,500$32.4932.4918.55,500 (Direct)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2016-01-27Sell15,00052,502$375554.0551,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.11-3.8266,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary2015-12-29Sell3,70067,502$40.03148.11-3.8266,900 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-12-03Sell6,000427,919$35.52138.45230,000 (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$33.6232.2114.5215,928 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-24Sell1,42715,928$33.3347.5615.5115,928 (Direct)
Wilson Kevin S.CEO and President2015-11-18Sell6,000433,919$3521010230,000 (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$35.28250.989.1315,928 (Direct)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$33.5156.9314.8958,100 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$35.5160.338.4258,100 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-31Sell11,098106,331$33.77374.7814.01101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-08-31Sell4,99860,401$33.59167.8814.6259,799 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-27Sell3,604106,331$33.79121.7813.94101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-17Sell2,498439,919$34.987.1810.32230,000 (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$34.91280.4310.28101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-14Sell2,101442,417$34.973.3210.32232,498 (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$34.19133.2712.61746 (Direct)
GRIEVE ROBERT BExecutive Chair2015-08-11Sell19,765106,331$35.05692.769.84101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-11Sell5,401444,518$35.11189.639.66234,599 (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$35.51117.228.4264,797 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-04Sell1,050108,831$3536.7510104,190 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-07-30Sell5,53468,700$33.97187.9913.3468,098 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-07-13Sell1,000109,881$29.9929.9928.38105,240 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-06-08Sell11,810449,919$30.08355.2427.99240,000 (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$31.36533.1222.77106,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-06-02Sell2,46474,234$31.577.6222.2273,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-06-01Sell7,53676,698$32.26243.1119.3476,096 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-05-27Sell1,500128,531$3146.524.19123,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Eyl Steven M.EVP, Commercial Operations2015-05-22Sell5,9811,169$30.19180.5727.531,169 (Direct)
Riley Sharon L.Director2015-05-18Buy5004,500$29.0514.5332.534,500 (Direct)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000130,031$29.67178.0229.76124,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000136,031$26.54106.1645.06130,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-03-10Sell5,76583,632$26.02150.0147.9683,632 (Direct)
NAPOLITANO JASON ACFO2015-03-10Sell5,76584,234$26.02150.0147.9683,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-03-09Sell5,76584,234$26.02150.0147.9683,632 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-03-09Sell10,000461,729$25.38253.851.69251,810 (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$25.2650.5252.41134,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Sveen David E.Director2014-11-30Buy21,42821,428$14299.99175
14,285 (by Bethany Creek)
7,143 (by Lindberg Capital)
Wilson Kevin S.CEO and President2014-11-30Sell28,928471,729$14404.99175261,810 (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$15.2599.13152.46122,815 (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$15.45146.76149.1915,775 (Direct)
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,00037,397$13.6768.35181.6437,397 (Direct)
GRIEVE ROBERT BCEO2014-08-25Sell1,000135,533$13.413.4187.31129,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,60037,397$13.5321.65184.5537,397 (Direct)
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000136,533$13.57162.84183.71130,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936149,533$10.6910.01260.15142,315 (Direct)
3,077 (by Daughter I)
2,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,20029,797$10.8945.74253.5429,797 (Direct)
Riley Sharon L.Director2014-03-31Buy3,0004,000$10.8132.43256.154,000 (Direct)
WRENN CAROLDirector2014-03-31Buy1,0004,000$10.510.5266.674,000 (Direct)
GRIEVE ROBERT BCEO2014-03-31Sell7,0007,861$10.573.5266.67143 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2013-03-01Buy2,00033,997$8.3416.68361.6333,997 (Direct)
WRENN CAROLDirector2013-03-01Buy3,0003,000$8.3324.99362.183,000 (Direct)
CMC Master Fund, L.P.10% Owner2012-10-11Sell11,865529,664$9.5112.72305.26
529,664 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-08Sell26,514541,529$9.52252.41304.41
541,529 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-03Sell11,002568,043$9.54104.96303.56
568,043 (See Footnote)
AYLESWORTH WILLIAM ADirector2012-08-28Buy2,00031,997$7.9515.9384.2831,997 (Direct)
GRIEVE ROBERT BCEO2012-08-27Buy90085,917$7.977.17383.0678,199 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
Zachara ClaudineVP, Marketing2012-02-29Buy200220$9.751.95294.87220 (Direct)
Riley Sharon L.Director2012-02-28Buy1,0001,000$9.379.37310.891,000 (Direct)
GRIEVE ROBERT BCEO2012-02-28Buy30060,776$9.642.89299.3853,058 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-27Buy30060,476$9.12.73323.0852,758 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-24Buy42560,176$9.383.99310.4552,458 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2011-08-04Buy69025,000$9.856.8290.8625,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-03Buy80024,310$10828524,310 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-02Buy51023,510$9.714.95296.523,510 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-24Buy18023,000$9.081.63324.0123,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-20Buy60022,820$8.825.29336.5122,820 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-18Buy1,29522,220$8.611.14347.6722,220 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-17Buy92520,925$8.457.82355.6220,925 (Direct)
AYLESWORTH WILLIAM ADirector2010-11-22Buy4,28020,000$4.418.83775Link
AYLESWORTH WILLIAM ADirector2010-11-19Buy5,72015,720$4.425.17775Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-05-27Buy50061,695$73.5450Link
AYLESWORTH WILLIAM ADirector2010-05-25Buy19010,000$5.91.12552.54Link
AYLESWORTH WILLIAM ADirector2010-05-24Buy3009,810$6.72.01474.63Link
AYLESWORTH WILLIAM ADirector2010-05-21Buy4009,510$7.12.84442.25Link
GRIEVE ROBERT BCEO2010-05-20Buy65059,753$7.75.01400Link
AYLESWORTH WILLIAM ADirector2010-05-20Buy4009,110$7.22.88434.72Link
AYLESWORTH WILLIAM ADirector2010-05-18Buy2008,710$7.41.48420.27Link
McCormick Louise L.Director2010-05-17Buy1,2007,200$7.99.48387.34Link
AYLESWORTH WILLIAM ADirector2010-05-17Buy1408,510$7.51.05413.33Link
AYLESWORTH WILLIAM ADirector2010-05-14Buy1608,370$7.91.26387.34Link
AYLESWORTH WILLIAM ADirector2010-05-13Buy608,210$7.30.44427.4Link
AYLESWORTH WILLIAM ADirector2010-05-12Buy1008,150$7.30.73427.4Link
AYLESWORTH WILLIAM ADirector2010-05-11Buy508,050$7.40.37420.27Link
SASEN JOHN FDirector2010-02-26Buy5003,992$73.5450Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-26Buy10060,593$7.80.78393.59Link
AYLESWORTH WILLIAM ADirector2010-02-26Buy1,8008,000$7.112.78442.25Link
GRIEVE ROBERT BCEO2010-02-25Buy1,50051,383$6.59.75492.31Link
McGinley Michael JPresident and COO2010-02-25Buy1,2294,029$6.57.99492.31Link
AYLESWORTH WILLIAM ADirector2010-02-25Buy1,1006,200$6.97.59457.97Link
BENT MICHAEL AV.P.Actg. Officer & Controller2010-02-25Buy3004,387$72.1450Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-25Buy7560,493$70.53450Link
AYLESWORTH WILLIAM ADirector2010-02-24Buy1,1005,100$6.97.59457.97Link
GORDON G IRWINDirector2010-02-24Buy1,0003,700$77450Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-24Buy1,00060,418$6.96.9457.97Link
McCormick Louise L.Director2008-11-25Buy5,5006,000$2.413.21504.17
GRIEVE ROBERT BCEO, Director2008-11-17Buy13,30049,883$339.91183.33
AYLESWORTH WILLIAM ADirector2008-11-14Buy6604,000$3.22.111103.13
SASEN JOHN FDirector2008-02-29Buy2002,030$16.13.22139.13
EIO PETERDirector2007-11-15Buy1,0002,000$20.520.587.8
AYLESWORTH WILLIAM ADirector2007-11-09Buy1,0002,000$202092.5
Snodgrass Gerald LVP, Sales2007-08-23Sell4090$20.58.3887.8
GRIEVE ROBERT BCEO2007-07-31Buy20036,233$18.93.78103.7
NAPOLITANO JASON AExec. VP, CFO & Secretary2007-07-31Buy10058,313$20292.5
Flanders John RV.P., General Counsel2007-07-30Buy250500$20.95.2384.21
Snodgrass Gerald LVP, Sales2007-05-15Sell5,372250$22.7121.9469.6
GORDON G IRWINDirector2006-11-27Buy1,0002,700$17.517.5120
GRIEVE ROBERT BCEO2006-08-28Buy10043,228$15.51.55148.39Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-28Buy8558,301$15.41.3150Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-17Buy10058,217$141.4175Link
GRIEVE ROBERT BCEO2006-08-17Buy10043,128$14.11.41173.05Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-16Buy10058,117$14.31.43169.23Link
GRIEVE ROBERT BCEO2006-08-16Buy10043,028$14.11.41173.05Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-15Buy10058,017$14.41.44167.36Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-08Buy10057,917$141.4175Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-04Buy10057,817$131.3196.15Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-03Buy10057,717$13.11.31193.89Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-11-11Buy5056,867$11.90.6223.53Link
GRIEVE ROBERT BCEO2005-11-04Sell11,81243,358$13153.56196.15Link
GORDON G IRWINDirector2005-10-28Buy2001,700$10.32.06273.79Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-28Buy30056,215$10.23.06277.45Link
SASEN JOHN FDirector2005-10-27Buy200200$10.82.16256.48Link
STEVENSON LYNNOR BDirector2005-10-26Buy20026,026$10.22.04277.45Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-26Buy65055,915$106.5285Link
EIO PETERDirector2005-08-31Buy1,0001,000$7.57.5413.33Link
DEMARSE ELISABETH HDirector2005-08-30Buy250250$71.75450Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-08-29Buy10055,265$7.50.75413.33Link
GORDON G IRWINDirector2005-08-24Buy1,0001,500$7.57.5413.33Link
STEVENSON LYNNOR BDirector2005-08-22Buy50025,826$7.93.95387.34Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-20Buy14040,003$8.11.13375.31Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-19Buy1,75039,863$8.314.53363.86Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-18Buy1,70038,113$7.813.26393.59Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-17Buy10036,413$7.50.75413.33Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-11-30Sell3,925615$1143.18250Link
STEVENSON LYNNOR BDirector2004-11-22Buy50025,326$11.55.75234.78Link
GORDON G IRWINDirector2004-06-01Buy500500$14.97.45158.39Link
NAPOLITANO JASON AExec VP, CFO & Secretary2004-02-27Buy10035,250$28.82.8833.68Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-02-27Sell752,615$23.41.7664.53Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-22Buy53034,650$12.96.84198.45Link
GRIEVE ROBERT BCEO2003-08-22Buy20058,108$132.6196.15Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-19Buy1,30034,120$11.815.34226.27Link
STEVENSON LYNNOR BDirector2003-08-15Buy50024,778$11.45.7237.72Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-15Buy1,70032,820$11.319.21240.71Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-14Buy1,51031,120$1116.61250Link

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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