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Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Lynnor B. Stevenson,PhDN/A330,1244.99%2006-03-29
Mr. Kevin S. WilsonCEO and President230,0003.47%2015-12-02
Robert B. Grieve,PhDExecutive Chair101,6901.54%2015-08-28
Louise L. McCormickN/A72,0001.09%2010-05-17
Jason A. NapolitanoCOO, CFO, EVP and Secretary68,5441.04%2016-04-25
Carol Talkington Verser,PhDN/A58,3520.88%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.30,0980.45%2016-03-02

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
NAPOLITANO JASON ACOO, CFO, EVP and Secretary
(Click for the stocks that their CFOs have bought)
2016-05-03Sell5,00064,146$35.75178.8-1.2663,544 (Direct)
602 (by Spouse)
Riley Sharon L.Director2016-03-08Buy1,0005,500$32.4932.58.655,500 (Direct)
NAPOLITANO JASON AEVP, COO, CFO and Secretary
(Click for the stocks that their CFOs have bought)
2016-01-27Sell15,00052,502$37555-4.5951,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary
(Click for the stocks that their CFOs have bought)
2015-12-29Sell3,70067,502$40.03148.1-11.8266,900 (Direct)
602 (by Spouse)
NAPOLITANO JASON AEVP, COO, CFO and Secretary
(Click for the stocks that their CFOs have bought)
2015-12-29Sell3,70067,502$40.03148.1-11.8266,900 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President
(Click for the stocks that their CEOs have bought)
2015-12-03Sell6,000427,919$35.5213-0.56230,000 (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$33.6232.2515,928 (Direct)
McGinley Michael JPresi, Biologic. & Pharm.2015-11-24Sell1,42715,928$33.3347.65.9115,928 (Direct)
Wilson Kevin S.CEO and President2015-11-18Sell6,000433,919$352100.86230,000 (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$35.282510.0615,928 (Direct)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$33.5156.95.3458,100 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-09-11Sell1,69958,702$35.5160.3-0.5958,100 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-31Sell11,098106,331$33.77374.84.53101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-08-31Sell4,99860,401$33.59167.95.0959,799 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-27Sell3,604106,331$33.79121.84.47101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-17Sell2,498439,919$34.987.21.15230,000 (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$34.91280.41.12101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-14Sell2,101442,417$34.973.31.15232,498 (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$34.19133.33.25746 (Direct)
GRIEVE ROBERT BExecutive Chair2015-08-11Sell19,765106,331$35.05692.80.71101,690 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-08-11Sell5,401444,518$35.11189.60.54234,599 (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$35.51117.2-0.5964,797 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-08-04Sell1,050108,831$3536.80.86104,190 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-07-30Sell5,53468,700$33.971883.9268,098 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-07-13Sell1,000109,881$29.993017.71105,240 (Direct)
2,427 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Wilson Kevin S.CEO and President2015-06-08Sell11,810449,919$30.08355.217.35240,000 (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$31.36533.112.56106,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-06-02Sell2,46474,234$31.577.612.0673,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-06-01Sell7,53676,698$32.26243.19.4276,096 (Direct)
602 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-05-27Sell1,500128,531$3146.513.87123,240 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Eyl Steven M.EVP, Commercial Operations2015-05-22Sell5,9811,169$30.19180.616.931,169 (Direct)
Riley Sharon L.Director2015-05-18Buy5004,500$29.0514.521.514,500 (Direct)
GRIEVE ROBERT BExecutive Chair2015-04-24Sell6,000130,031$29.6717818.98124,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair2015-04-13Sell4,000136,031$26.54106.233.01130,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
NAPOLITANO JASON ACFO2015-03-10Sell5,76583,632$26.0215035.6683,632 (Direct)
NAPOLITANO JASON ACFO2015-03-10Sell5,76584,234$26.0215035.6683,632 (Direct)
602 (by Spouse)
NAPOLITANO JASON ACFO2015-03-09Sell5,76584,234$26.0215035.6683,632 (Direct)
602 (by Spouse)
Wilson Kevin S.CEO and President2015-03-09Sell10,000461,729$25.38253.839.09251,810 (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$25.2650.539.75134,740 (Direct)
3,077 (by Daughter I)
650 (by Daughter II)
1,564 (by Spouse)
Sveen David E.Director2014-11-30Buy21,42821,428$14300152.14
14,285 (by Bethany Creek)
7,143 (by Lindberg Capital)
Wilson Kevin S.CEO and President2014-11-30Sell28,928471,729$14405152.14261,810 (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$15.2599.1131.48122,815 (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$15.45146.8128.4815,775 (Direct)
AYLESWORTH WILLIAM ADirector2014-11-03Sell5,00037,397$13.6768.4158.2337,397 (Direct)
GRIEVE ROBERT BCEO2014-08-25Sell1,000135,533$13.413.4163.43129,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-08-18Sell1,60037,397$13.5321.6160.937,397 (Direct)
GRIEVE ROBERT BExecutive Chair and Director2014-08-04Sell12,000136,533$13.57162.8160.13130,315 (Direct)
3,077 (by Daughter I)
1,577 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BExecutive Chair and Director2014-06-05Sell936149,533$10.6910230.22142,315 (Direct)
3,077 (by Daughter I)
2,577 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2014-05-14Sell4,20029,797$10.8945.7224.1529,797 (Direct)
Riley Sharon L.Director2014-03-31Buy3,0004,000$10.8132.4226.554,000 (Direct)
WRENN CAROLDirector2014-03-31Buy1,0004,000$10.510.5236.194,000 (Direct)
GRIEVE ROBERT BCEO2014-03-31Sell7,0007,861$10.573.5236.19143 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2013-03-01Buy2,00033,997$8.3416.7323.2633,997 (Direct)
WRENN CAROLDirector2013-03-01Buy3,0003,000$8.3325323.773,000 (Direct)
CMC Master Fund, L.P.10% Owner2012-10-11Sell11,865529,664$9.5112.7271.58
529,664 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-08Sell26,514541,529$9.52252.4270.8
541,529 (See Footnote)
CMC Master Fund, L.P.10% Owner2012-10-03Sell11,002568,043$9.54105270.02
568,043 (See Footnote)
AYLESWORTH WILLIAM ADirector2012-08-28Buy2,00031,997$7.9515.9344.0331,997 (Direct)
GRIEVE ROBERT BCEO2012-08-27Buy90085,917$7.977.2342.9178,199 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
Zachara ClaudineVP, Marketing2012-02-29Buy200220$9.752262.05220 (Direct)
Riley Sharon L.Director2012-02-28Buy1,0001,000$9.379.4276.731,000 (Direct)
GRIEVE ROBERT BCEO2012-02-28Buy30060,776$9.642.9266.1853,058 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-27Buy30060,476$9.12.7287.9152,758 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
GRIEVE ROBERT BCEO2012-02-24Buy42560,176$9.384276.3352,458 (Direct)
3,077 (by Daughter I)
3,077 (by Daughter II)
1,564 (by Spouse)
AYLESWORTH WILLIAM ADirector2011-08-04Buy69025,000$9.856.8258.3825,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-03Buy80024,310$10825324,310 (Direct)
AYLESWORTH WILLIAM ADirector2011-08-02Buy51023,510$9.715263.5423,510 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-24Buy18023,000$9.081.6288.7723,000 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-20Buy60022,820$8.825.3300.2322,820 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-18Buy1,29522,220$8.611.1310.4722,220 (Direct)
AYLESWORTH WILLIAM ADirector2011-05-17Buy92520,925$8.457.8317.7520,925 (Direct)
AYLESWORTH WILLIAM ADirector2010-11-22Buy4,28020,000$0.441.9702.27Link
AYLESWORTH WILLIAM ADirector2010-11-19Buy5,72015,720$0.442.5702.27Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-05-27Buy50061,695$0.70.4404.29Link
AYLESWORTH WILLIAM ADirector2010-05-25Buy19010,000$0.590.1498.31Link
AYLESWORTH WILLIAM ADirector2010-05-24Buy3009,810$0.670.2426.87Link
AYLESWORTH WILLIAM ADirector2010-05-21Buy4009,510$0.710.3397.18Link
GRIEVE ROBERT BCEO2010-05-20Buy65059,753$0.770.5358.44Link
AYLESWORTH WILLIAM ADirector2010-05-20Buy4009,110$0.720.3390.28Link
AYLESWORTH WILLIAM ADirector2010-05-18Buy2008,710$0.740.1377.03Link
McCormick Louise L.Director2010-05-17Buy1,2007,200$0.790.9346.84Link
AYLESWORTH WILLIAM ADirector2010-05-17Buy1408,510$0.750.1370.67Link
AYLESWORTH WILLIAM ADirector2010-05-14Buy1608,370$0.790.1346.84Link
AYLESWORTH WILLIAM ADirector2010-05-13Buy608,210$0.730383.56Link
AYLESWORTH WILLIAM ADirector2010-05-12Buy1008,150$0.730.1383.56Link
AYLESWORTH WILLIAM ADirector2010-05-11Buy508,050$0.740377.03Link
SASEN JOHN FDirector2010-02-26Buy5003,992$0.70.4404.29Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-26Buy10060,593$0.780.1352.56Link
AYLESWORTH WILLIAM ADirector2010-02-26Buy1,8008,000$0.711.3397.18Link
GRIEVE ROBERT BCEO2010-02-25Buy1,50051,383$0.651443.08Link
McGinley Michael JPresident and COO2010-02-25Buy1,2294,029$0.650.8443.08Link
AYLESWORTH WILLIAM ADirector2010-02-25Buy1,1006,200$0.690.8411.59Link
BENT MICHAEL AV.P.Actg. Officer & Controller2010-02-25Buy3004,387$0.70.2404.29Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-25Buy7560,493$0.70.1404.29Link
AYLESWORTH WILLIAM ADirector2010-02-24Buy1,1005,100$0.690.8411.59Link
GORDON G IRWINDirector2010-02-24Buy1,0003,700$0.70.7404.29Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2010-02-24Buy1,00060,418$0.690.7411.59Link
McCormick Louise L.Director2008-11-25Buy5,5006,000$0.241.31370.83
GRIEVE ROBERT BCEO, Director2008-11-17Buy13,30049,883$0.341076.67
AYLESWORTH WILLIAM ADirector2008-11-14Buy6604,000$0.320.21003.13
SASEN JOHN FDirector2008-02-29Buy2002,030$1.610.3119.25
EIO PETERDirector2007-11-15Buy1,0002,000$2.052.172.2
AYLESWORTH WILLIAM ADirector2007-11-09Buy1,0002,000$2276.5
Snodgrass Gerald LVP, Sales2007-08-23Sell4090$2.050.872.2
GRIEVE ROBERT BCEO2007-07-31Buy20036,233$1.890.486.77
NAPOLITANO JASON AExec. VP, CFO & Secretary2007-07-31Buy10058,313$20.276.5
Flanders John RV.P., General Counsel2007-07-30Buy250500$2.090.568.9
Snodgrass Gerald LVP, Sales2007-05-15Sell5,372250$2.2712.255.51
GORDON G IRWINDirector2006-11-27Buy1,0002,700$1.751.8101.71
GRIEVE ROBERT BCEO2006-08-28Buy10043,228$1.550.2127.74Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-28Buy8558,301$1.540.1129.22Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-17Buy10058,217$1.40.1152.14Link
GRIEVE ROBERT BCEO2006-08-17Buy10043,128$1.410.1150.35Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-16Buy10058,117$1.430.1146.85Link
GRIEVE ROBERT BCEO2006-08-16Buy10043,028$1.410.1150.35Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-15Buy10058,017$1.440.1145.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-08Buy10057,917$1.40.1152.14Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-04Buy10057,817$1.30.1171.54Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2006-08-03Buy10057,717$1.310.1169.47Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-11-11Buy5056,867$1.190.1196.64Link
GRIEVE ROBERT BCEO2005-11-04Sell11,81243,358$1.315.4171.54Link
GORDON G IRWINDirector2005-10-28Buy2001,700$1.030.2242.72Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-28Buy30056,215$1.020.3246.08Link
SASEN JOHN FDirector2005-10-27Buy200200$1.080.2226.85Link
STEVENSON LYNNOR BDirector2005-10-26Buy20026,026$1.020.2246.08Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-10-26Buy65055,915$10.7253Link
EIO PETERDirector2005-08-31Buy1,0001,000$0.750.8370.67Link
DEMARSE ELISABETH HDirector2005-08-30Buy250250$0.70.2404.29Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-08-29Buy10055,265$0.750.1370.67Link
GORDON G IRWINDirector2005-08-24Buy1,0001,500$0.750.8370.67Link
STEVENSON LYNNOR BDirector2005-08-22Buy50025,826$0.790.4346.84Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-20Buy14040,003$0.810.1335.8Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-19Buy1,75039,863$0.831.5325.3Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-18Buy1,70038,113$0.781.3352.56Link
NAPOLITANO JASON AExec. VP, CFO & Secretary2005-05-17Buy10036,413$0.750.1370.67Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-11-30Sell3,925615$1.14.3220.91Link
STEVENSON LYNNOR BDirector2004-11-22Buy50025,326$1.150.6206.96Link
GORDON G IRWINDirector2004-06-01Buy500500$1.490.7136.91Link
NAPOLITANO JASON AExec VP, CFO & Secretary2004-02-27Buy10035,250$2.880.322.57Link
STINCHCOMB DAN TExec. V.P., Research and Dev.2004-02-27Sell752,615$2.340.250.85Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-22Buy53034,650$1.290.7173.64Link
GRIEVE ROBERT BCEO2003-08-22Buy20058,108$1.30.3171.54Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-19Buy1,30034,120$1.181.5199.15Link
STEVENSON LYNNOR BDirector2003-08-15Buy50024,778$1.140.6209.65Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-15Buy1,70032,820$1.131.9212.39Link
NAPOLITANO JASON AExec VP, CFO & Secretary2003-08-14Buy1,51031,120$1.11.7220.91Link

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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