William T End
CIK 1184157 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 17, 2009 · Latest: Feb. 17, 2009
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 54 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
54 other filings hidden
| 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 | 170.0% (price as of 2026-08-20) |
| Feb. 22, 2018 | IDXX | S | 4,000 | $184.48 | $737,920 | 41,256 Direct | -8.84% | Disposed | 205.0% (price as of 2026-08-20) |
| May 22, 2017 | IDXX | S | 5,000 | $162.55 | $812,750 | 45,256 Direct | -9.95% | Disposed | 246.1% (price as of 2026-08-20) |
| Feb. 16, 2017 | IDXX | S | 5,000 | $141.71 | $708,550 | 50,256 Direct | -9.05% | Disposed | 297.0% (price as of 2026-08-20) |
| Nov. 8, 2016 | IDXX | S | 5,000 | $109.87 | $549,350 | 48,654 Direct | -9.32% | Disposed | 412.0% (price as of 2026-08-20) |
| Aug. 5, 2016 | IDXX | S | 5,000 | $108.50 | $542,500 | 53,564 Direct | -8.54% | Disposed | 418.5% (price as of 2026-08-20) |
| May 5, 2016 | IDXX | S | 4,924 | $85.87 | $422,824 | 58,654 Direct | -7.74% | Disposed | 555.2% (price as of 2026-08-20) |
| May 18, 2015 | IDXX | S | 3,527 | $134.51 | $474,417 | 26,827 Direct | -11.62% | Disposed | 736.5% (price as of 2026-08-20) |
| March 10, 2015 | IDXX | S | 3,500 | $150.89 | $528,115 | 25,827 Direct | -11.93% | Disposed | 645.7% (price as of 2026-08-20) |
| Oct. 31, 2013 | IDXX | S | 2,500 | $108.32 | $270,800 | 21,393 Direct | -10.46% | Disposed | 938.7% (price as of 2026-08-20) |
| Oct. 26, 2012 | IDXX | S | 1,970 | $96.21 | $189,534 | 19,093 Direct | -9.35% | Disposed | 1069.5% (price as of 2026-08-20) |
| April 24, 2012 | IDXX | S | 3,000 | $85.08 | $255,240 | 21,063 Direct | -12.47% | Disposed | 1222.5% (price as of 2026-08-20) |
| April 27, 2011 | IDXX | S | 7,000 | $80.27 | $561,890 | 24,063 Direct | -22.53% | Disposed | 1301.7% (price as of 2026-08-20) |
| Feb. 25, 2011 | IDXX | S | 5,000 | $75.80 | $379,000 | 23,063 Direct | -17.82% | Disposed | 1384.4% (price as of 2026-08-20) |
| Dec. 4, 2009 | IDXX | S | 3,000 | $52.64 | $157,920 | 28,063 Direct | -9.66% | Disposed | 2037.5% (price as of 2026-08-20) |
| Dec. 3, 2009 | IDXX | S | 8,000 | $51.44 | $411,520 | 31,063 Direct | -20.48% | Disposed | 2087.3% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 500 | $122.24 | $61,120 | 15,681 Direct | -3.09% | Disposed | 1740.9% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 100 | $122.21 | $12,221 | 16,181 Direct | -0.61% | Disposed | 1741.4% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 900 | $121.34 | $109,206 | 13,031 Direct | -6.46% | Disposed | 1754.6% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 100 | $121.60 | $12,160 | 13,931 Direct | -0.71% | Disposed | 1750.6% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 750 | $121.73 | $91,298 | 14,031 Direct | -5.07% | Disposed | 1748.6% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 700 | $121.99 | $85,393 | 14,781 Direct | -4.52% | Disposed | 1744.7% (price as of 2026-08-20) |
| Nov. 6, 2007 | IDXX | S | 200 | $122.15 | $24,430 | 15,481 Direct | -1.28% | Disposed | 1742.3% (price as of 2026-08-20) |
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 (3,046) | $160.28 | May 2, 2027 | 3,046 | Acquired |
| May 3, 2017 | IDXX | Deferred Stock Unit | Common Stock (289) | — | — | 289 | Acquired |
| Feb. 10, 2017 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (6,602) | $38.80 | Feb. 13, 2018 | 6,602 | Disposed |
| May 4, 2016 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (5,902) | $85.00 | May 3, 2026 | 5,902 | Acquired |
| May 4, 2016 | IDXX | Deferred Stock Unit | Common Stock (515) | — | — | 515 | Acquired |
| May 3, 2016 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (9,924) | $26.66 | Feb. 13, 2017 | 9,924 | Disposed |
| May 14, 2015 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (4,527) | $34.37 | Feb. 13, 2016 | 4,527 | Disposed |
| May 6, 2015 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (3,861) | $127.90 | May 5, 2025 | 3,861 | Acquired |
| May 6, 2015 | IDXX | Deferred Stock Unit | Common Stock (342) | — | — | 342 | Acquired |
| Aug. 1, 2014 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (2,934) | $56.95 | Feb. 13, 2015 | 2,934 | Disposed |
| Aug. 1, 2014 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (5,000) | $29.27 | May 17, 2015 | 5,000 | Disposed |
| May 7, 2014 | IDXX | Non-Qualified Stock Options (right to buy) | Common Stock (2,987) | $129.38 | May 6, 2024 | 2,987 | Acquired |
| May 7, 2014 | IDXX | Deferred Stock Unit | Common Stock (290) | — | — | 290 | Acquired |
| May 23, 2013 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (4,800) | $30.50 | May 18, 2014 | 4,800 | Disposed |
| May 8, 2013 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (4,395) | $87.36 | May 7, 2023 | 4,395 | Acquired |
| May 8, 2013 | IDXX | Deferred Stock Unit | Common Stock (429) | — | — | 429 | Acquired |
| May 9, 2012 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (3,752) | $88.09 | May 8, 2019 | 3,752 | Acquired |
| May 9, 2012 | IDXX | Deferred Stock Unit | Common Stock (369) | — | — | 369 | Acquired |
| April 26, 2011 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (8,000) | $17.49 | May 21, 2013 | 8,000 | Disposed |
| Feb. 14, 2011 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (3,301) | $77.59 | Feb. 13, 2018 | 3,301 | Acquired |
| Feb. 14, 2011 | IDXX | Deferred Stock Unit | Common Stock (354) | — | — | 354 | Acquired |
| Feb. 14, 2010 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (4,962) | $53.31 | Feb. 13, 2017 | 4,962 | Acquired |
| Feb. 14, 2010 | IDXX | Deferred Stock Unit | Common Stock (516) | — | — | 516 | Acquired |
| Dec. 2, 2009 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (13,000) | $14.53 | May 15, 2012 | 13,000 | Disposed |
| Feb. 14, 2009 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (4,527) | $34.37 | Feb. 13, 2016 | 4,527 | Acquired |
| Feb. 14, 2009 | IDXX | Deferred Stock Unit | Common Stock (1,309) | — | — | 1,309 | Acquired |
| Feb. 14, 2008 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (2,934) | $56.95 | Feb. 13, 2015 | 2,934 | Acquired |
| Feb. 14, 2008 | IDXX | Deferred Stock Unit | Common Stock (790) | — | — | 790 | Acquired |
| Nov. 2, 2007 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (6,500) | $29.46 | May 23, 2011 | 6,500 | Disposed |
| Feb. 14, 2007 | IDXX | Deferred Stock Unit | Common Stock (895) | — | — | 895 | Acquired |
| Feb. 27, 2006 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (5,485) | $22.12 | July 19, 2010 | 5,485 | Disposed |
| Feb. 14, 2006 | IDXX | Deferred Stock Unit | Common Stock (978) | — | — | 978 | Acquired |
| May 18, 2005 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (2,500) | $58.54 | May 17, 2015 | 2,500 | Acquired |
| May 19, 2004 | IDXX | Non-Qualified Stock Option (right to buy) | Common Stock (2,400) | $60.99 | May 19, 2014 | 2,400 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).