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William T End
Insider
First SEC filing: Feb. 17, 2009 · Latest: Feb. 17, 2009
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 10, 2018 | IDXX | S | 9,470 | $208.36 | $1,973,169 | 31,786 Direct | -22.95% | Disposed | 153.0% (price as of 2026-10-05) |
| Feb. 22, 2018 | IDXX | S | 4,000 | $184.48 | $737,920 | 41,256 Direct | -8.84% | Disposed | 185.7% (price as of 2026-10-05) |
| May 22, 2017 | IDXX | S | 5,000 | $162.55 | $812,750 | 45,256 Direct | -9.95% | Disposed | 224.3% (price as of 2026-10-05) |
| May 3, 2017 | IDXX | A | 3,046 | · | · | 3,046 Direct | · | Acquired | (price as of 2026-10-05) |
| May 3, 2017 | IDXX | A | 289 | · | · | 17,094 Direct | +1.72% | Acquired | (price as of 2026-10-05) |
| Feb. 16, 2017 | IDXX | S | 5,000 | $141.71 | $708,550 | 50,256 Direct | -9.05% | Disposed | 271.9% (price as of 2026-10-05) |
| Feb. 10, 2017 | IDXX | M | 6,602 | $38.80 | $256,158 | 55,256 Direct | +13.57% | Acquired | 1258.4% (price as of 2026-10-05) |
| Feb. 10, 2017 | IDXX | M | 6,602 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 8, 2016 | IDXX | S | 5,000 | $109.87 | $549,350 | 48,654 Direct | -9.32% | Disposed | 379.7% (price as of 2026-10-05) |
| Aug. 5, 2016 | IDXX | S | 5,000 | $108.50 | $542,500 | 53,564 Direct | -8.54% | Disposed | 385.8% (price as of 2026-10-05) |
| May 5, 2016 | IDXX | S | 4,924 | $85.87 | $422,824 | 58,654 Direct | -7.74% | Disposed | 513.8% (price as of 2026-10-05) |
| May 4, 2016 | IDXX | A | 5,902 | · | · | 5,902 Direct | · | Acquired | (price as of 2026-10-05) |
| May 4, 2016 | IDXX | A | 515 | · | · | 16,805 Direct | +3.16% | Acquired | (price as of 2026-10-05) |
| May 3, 2016 | IDXX | M | 9,924 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 3, 2016 | IDXX | M | 9,924 | $26.66 | $264,574 | 63,578 Direct | +18.50% | Acquired | 1877.0% (price as of 2026-10-05) |
| May 18, 2015 | IDXX | S | 3,527 | $134.51 | $474,417 | 26,827 Direct | -11.62% | Disposed | 683.7% (price as of 2026-10-05) |
| May 14, 2015 | IDXX | M | 4,527 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 14, 2015 | IDXX | M | 4,527 | $34.37 | $155,593 | 30,354 Direct | +17.53% | Acquired | 2967.0% (price as of 2026-10-05) |
| May 6, 2015 | IDXX | A | 3,861 | · | · | 3,861 Direct | · | Acquired | (price as of 2026-10-05) |
| May 6, 2015 | IDXX | A | 342 | · | · | 8,145 Direct | +4.38% | Acquired | (price as of 2026-10-05) |
| March 10, 2015 | IDXX | S | 3,500 | $150.89 | $528,115 | 25,827 Direct | -11.93% | Disposed | 598.6% (price as of 2026-10-05) |
| Aug. 1, 2014 | IDXX | M | 2,934 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 1, 2014 | IDXX | M | 5,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 1, 2014 | IDXX | M | 2,934 | $56.95 | $167,091 | 29,327 Direct | +11.12% | Acquired | 1751.0% (price as of 2026-10-05) |
| Aug. 1, 2014 | IDXX | M | 5,000 | $29.27 | $146,350 | 26,393 Direct | +23.37% | Acquired | 3501.4% (price as of 2026-10-05) |
| May 7, 2014 | IDXX | A | 2,987 | · | · | 2,987 Direct | · | Acquired | (price as of 2026-10-05) |
| May 7, 2014 | IDXX | A | 290 | · | · | 7,803 Direct | +3.86% | Acquired | (price as of 2026-10-05) |
| Oct. 31, 2013 | IDXX | S | 2,500 | $108.32 | $270,800 | 21,393 Direct | -10.46% | Disposed | 873.2% (price as of 2026-10-05) |
| May 23, 2013 | IDXX | M | 4,800 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 23, 2013 | IDXX | M | 4,800 | $30.50 | $146,400 | 23,893 Direct | +25.14% | Acquired | 3356.2% (price as of 2026-10-05) |
| May 8, 2013 | IDXX | A | 4,395 | · | · | 4,395 Direct | · | Acquired | (price as of 2026-10-05) |
| May 8, 2013 | IDXX | A | 429 | · | · | 7,513 Direct | +6.06% | Acquired | (price as of 2026-10-05) |
| Oct. 26, 2012 | IDXX | S | 1,970 | $96.21 | $189,534 | 19,093 Direct | -9.35% | Disposed | 995.7% (price as of 2026-10-05) |
| May 9, 2012 | IDXX | A | 3,752 | · | · | 3,752 Direct | · | Acquired | (price as of 2026-10-05) |
| May 9, 2012 | IDXX | A | 369 | · | · | 7,084 Direct | +5.50% | Acquired | (price as of 2026-10-05) |
| April 24, 2012 | IDXX | S | 3,000 | $85.08 | $255,240 | 21,063 Direct | -12.47% | Disposed | 1139.0% (price as of 2026-10-05) |
| April 27, 2011 | IDXX | S | 7,000 | $80.27 | $561,890 | 24,063 Direct | -22.53% | Disposed | 1213.2% (price as of 2026-10-05) |
| April 26, 2011 | IDXX | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| April 26, 2011 | IDXX | M | 8,000 | $17.49 | $139,920 | 31,063 Direct | +34.69% | Acquired | 5927.1% (price as of 2026-10-05) |
| Feb. 25, 2011 | IDXX | S | 5,000 | $75.80 | $379,000 | 23,063 Direct | -17.82% | Disposed | 1290.7% (price as of 2026-10-05) |
| Feb. 14, 2011 | IDXX | A | 3,301 | · | · | 3,301 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2011 | IDXX | A | 354 | · | · | 6,715 Direct | +5.57% | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2010 | IDXX | A | 4,962 | · | · | 4,962 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2010 | IDXX | A | 516 | · | · | 6,361 Direct | +8.83% | Acquired | (price as of 2026-10-05) |
| Dec. 4, 2009 | IDXX | S | 3,000 | $52.64 | $157,920 | 28,063 Direct | -9.66% | Disposed | 1902.5% (price as of 2026-10-05) |
| Dec. 3, 2009 | IDXX | S | 8,000 | $51.44 | $411,520 | 31,063 Direct | -20.48% | Disposed | 1949.3% (price as of 2026-10-05) |
| Dec. 2, 2009 | IDXX | M | 13,000 | $14.53 | $188,890 | 39,063 Direct | +49.88% | Acquired | 7154.9% (price as of 2026-10-05) |
| Dec. 2, 2009 | IDXX | M | 13,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 14, 2009 | IDXX | A | 4,527 | · | · | 4,527 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 14, 2009 | IDXX | A | 1,309 | $34.37 | $44,990 | 5,845 Direct | +28.86% | Acquired | 2967.0% (price as of 2026-10-05) |
| Feb. 14, 2008 | IDXX | A | 2,934 | $56.95 | $167,091 | 2,934 Direct | · | Acquired | 1751.0% (price as of 2026-10-05) |
| Feb. 14, 2008 | IDXX | A | 790 | $56.95 | $44,990 | 4,536 Direct | +21.09% | Acquired | 1751.0% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 500 | $122.24 | $61,120 | 15,681 Direct | -3.09% | Disposed | 1624.7% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 100 | $122.21 | $12,221 | 16,181 Direct | -0.61% | Disposed | 1625.1% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 900 | $121.34 | $109,206 | 13,031 Direct | -6.46% | Disposed | 1637.5% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 100 | $121.60 | $12,160 | 13,931 Direct | -0.71% | Disposed | 1633.8% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 750 | $121.73 | $91,298 | 14,031 Direct | -5.07% | Disposed | 1631.9% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 700 | $121.99 | $85,393 | 14,781 Direct | -4.52% | Disposed | 1628.2% (price as of 2026-10-05) |
| Nov. 6, 2007 | IDXX | S | 200 | $122.15 | $24,430 | 15,481 Direct | -1.28% | Disposed | 1626.0% (price as of 2026-10-05) |
| Nov. 2, 2007 | IDXX | M | 6,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Nov. 2, 2007 | IDXX | M | 6,500 | $29.46 | $191,490 | 16,281 Direct | +66.46% | Acquired | 7056.4% (price as of 2026-10-05) |
| Feb. 14, 2007 | IDXX | A | 895 | $83.87 | $75,064 | 1,873 Direct | +91.51% | Acquired | 2413.7% (price as of 2026-10-05) |
| Feb. 27, 2006 | IDXX | M | 5,485 | $22.12 | $121,328 | 0 Direct | -100.00% | Disposed | 9431.1% (price as of 2026-10-05) |
| Feb. 27, 2006 | IDXX | M | 5,485 | $22.12 | $121,328 | 9,781 Direct | +127.68% | Acquired | 9431.1% (price as of 2026-10-05) |
| Feb. 14, 2006 | IDXX | A | 978 | $76.67 | $74,983 | 978 Direct | · | Acquired | 2649.8% (price as of 2026-10-05) |
| Jan. 30, 2006 | IDXX | A | 60 | $77.21 | $4,633 | 4,296 Direct | +1.42% | Acquired | 2630.6% (price as of 2026-10-05) |
| Oct. 28, 2005 | IDXX | A | 54 | $68.51 | $3,700 | 4,236 Direct | +1.29% | Acquired | 2977.3% (price as of 2026-10-05) |
| July 29, 2005 | IDXX | A | 60 | $63.46 | $3,808 | 4,182 Direct | +1.46% | Acquired | 3222.2% (price as of 2026-10-05) |
| May 18, 2005 | IDXX | A | 2,500 | $58.54 | $146,350 | 2,500 Direct | · | Acquired | 3501.4% (price as of 2026-10-05) |
| April 29, 2005 | IDXX | A | 66 | $56.74 | $3,745 | 4,122 Direct | +1.63% | Acquired | 3615.7% (price as of 2026-10-05) |
| Jan. 31, 2005 | IDXX | A | 64 | $58.01 | $3,713 | 4,056 Direct | +1.60% | Acquired | 3534.3% (price as of 2026-10-05) |
| Oct. 29, 2004 | IDXX | A | 75 | $49.84 | $3,738 | 3,992 Direct | +1.91% | Acquired | 4130.1% (price as of 2026-10-05) |
| July 30, 2004 | IDXX | A | 75 | $50.39 | $3,779 | 3,917 Direct | +1.95% | Acquired | 4083.9% (price as of 2026-10-05) |
| May 19, 2004 | IDXX | A | 2,400 | $60.99 | $146,376 | 2,400 Direct | · | Acquired | 3356.8% (price as of 2026-10-05) |
| March 31, 2004 | IDXX | A | 66 | $56.87 | $3,753 | 3,842 Direct | +1.75% | Acquired | 3607.2% (price as of 2026-10-05) |
| Dec. 31, 2003 | IDXX | A | 81 | $46.28 | $3,749 | 3,776 Direct | +2.19% | Acquired | 4455.5% (price as of 2026-10-05) |
| Sept. 30, 2003 | IDXX | A | 88 | $42.55 | $3,744 | 3,695 Direct | +2.44% | Acquired | 4854.8% (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| May 3, 2017 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock | $160.28 | May 2, 2027 | 3,046 | Acquired |
| May 3, 2017 | IDXX | Deferred Stock Unit | Common Stock | · | · | 289 | Acquired |
| Feb. 10, 2017 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock | $38.80 | Feb. 13, 2018 | 6,602 | Disposed |
| May 4, 2016 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock | $85.00 | May 3, 2026 | 5,902 | Acquired |
| May 4, 2016 | IDXX | Deferred Stock Unit | Common Stock | · | · | 515 | Acquired |
| May 3, 2016 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock | $26.66 | Feb. 13, 2017 | 9,924 | Disposed |
| May 14, 2015 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $34.37 | Feb. 13, 2016 | 4,527 | Disposed |
| May 6, 2015 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $127.90 | May 5, 2025 | 3,861 | Acquired |
| May 6, 2015 | IDXX | Deferred Stock Unit | Common Stock | · | · | 342 | Acquired |
| Aug. 1, 2014 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $56.95 | Feb. 13, 2015 | 2,934 | Disposed |
| Aug. 1, 2014 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $29.27 | May 17, 2015 | 5,000 | Disposed |
| May 7, 2014 | IDXX | Non-Qualified Stock Options (right to buy) | Common Stock | $129.38 | May 6, 2024 | 2,987 | Acquired |
| May 7, 2014 | IDXX | Deferred Stock Unit | Common Stock | · | · | 290 | Acquired |
| May 23, 2013 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $30.50 | May 18, 2014 | 4,800 | Disposed |
| May 8, 2013 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $87.36 | May 7, 2023 | 4,395 | Acquired |
| May 8, 2013 | IDXX | Deferred Stock Unit | Common Stock | · | · | 429 | Acquired |
| May 9, 2012 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $88.09 | May 8, 2019 | 3,752 | Acquired |
| May 9, 2012 | IDXX | Deferred Stock Unit | Common Stock | · | · | 369 | Acquired |
| April 26, 2011 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $17.49 | May 21, 2013 | 8,000 | Disposed |
| Feb. 14, 2011 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $77.59 | Feb. 13, 2018 | 3,301 | Acquired |
| Feb. 14, 2011 | IDXX | Deferred Stock Unit | Common Stock | · | · | 354 | Acquired |
| Feb. 14, 2010 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $53.31 | Feb. 13, 2017 | 4,962 | Acquired |
| Feb. 14, 2010 | IDXX | Deferred Stock Unit | Common Stock | · | · | 516 | Acquired |
| Dec. 2, 2009 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $14.53 | May 15, 2012 | 13,000 | Disposed |
| Feb. 14, 2009 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $34.37 | Feb. 13, 2016 | 4,527 | Acquired |
| Feb. 14, 2009 | IDXX | Deferred Stock Unit | Common Stock | · | · | 1,309 | Acquired |
| Feb. 14, 2008 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $56.95 | Feb. 13, 2015 | 2,934 | Acquired |
| Feb. 14, 2008 | IDXX | Deferred Stock Unit | Common Stock | · | · | 790 | Acquired |
| Nov. 2, 2007 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $29.46 | May 23, 2011 | 6,500 | Disposed |
| Feb. 14, 2007 | IDXX | Deferred Stock Unit | Common Stock | · | · | 895 | Acquired |
| Feb. 27, 2006 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $22.12 | July 19, 2010 | 5,485 | Disposed |
| Feb. 14, 2006 | IDXX | Deferred Stock Unit | Common Stock | · | · | 978 | Acquired |
| May 18, 2005 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $58.54 | May 17, 2015 | 2,500 | Acquired |
| May 19, 2004 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock | $60.99 | May 19, 2014 | 2,400 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).