Mahon Thomas P Mac
CIK 1168580 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 5, 2008 · Latest: Aug. 5, 2008
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Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 28 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
28 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 6, 2012 | LH | S | 35,000 | $89.74 | $3,140,900 | 32,297 Direct | -52.01% | Disposed | 332.8% (price as of 2026-08-20) |
| Feb. 29, 2012 | LH | S | 60,000 | $89.98 | $5,398,800 | 65,497 Direct | -47.81% | Disposed | 331.6% (price as of 2026-08-20) |
| April 15, 2011 | LH | S 10b5-1 | 6,000 | $95.49 | $572,940 | 124,797 Direct | -4.59% | Disposed | 306.7% (price as of 2026-08-20) |
| April 15, 2011 | LH | S 10b5-1 | 77,867 | $96.00 | $7,475,232 | 130,797 Direct | -37.32% | Disposed | 304.5% (price as of 2026-08-20) |
| April 14, 2011 | LH | S 10b5-1 | 71,133 | $95.00 | $6,757,635 | 104,797 Direct | -40.43% | Disposed | 308.8% (price as of 2026-08-20) |
| Dec. 1, 2010 | LH | S 10b5-1 | 155,000 | $85.00 | $13,175,000 | 104,797 Direct | -59.66% | Disposed | 356.9% (price as of 2026-08-20) |
| April 5, 2010 | LH | S 10b5-1 | 68,063 | $77.17 | $5,252,422 | 83,897 Direct | -44.79% | Disposed | 403.2% (price as of 2026-08-20) |
| Jan. 20, 2010 | LH | S 10b5-1 | 26,518 | $77.00 | $2,041,886 | 63,897 Direct | -29.33% | Disposed | 404.4% (price as of 2026-08-20) |
| Jan. 19, 2010 | LH | S 10b5-1 | 9,260 | $77.00 | $713,020 | 63,897 Direct | -12.66% | Disposed | 404.4% (price as of 2026-08-20) |
| Jan. 14, 2010 | LH | S 10b5-1 | 14,559 | $77.00 | $1,121,043 | 63,897 Direct | -18.56% | Disposed | 404.4% (price as of 2026-08-20) |
| Nov. 4, 2008 | LH | S 10b5-1 | 77,178 | $62.48 | $4,822,081 | 68,984 Direct | -52.80% | Disposed | 521.6% (price as of 2026-08-20) |
| Nov. 4, 2008 | LH | S 10b5-1 | 37,222 | $62.04 | $2,309,253 | 146,162 Direct | -20.30% | Disposed | 526.0% (price as of 2026-08-20) |
| Nov. 3, 2008 | LH | S 10b5-1 | 161,837 | $61.24 | $9,910,898 | 68,984 Direct | -70.11% | Disposed | 534.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,800 | $67.36 | $121,248 | 240,360 Direct | -0.74% | Disposed | 476.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,800 | $67.37 | $121,266 | 242,160 Direct | -0.74% | Disposed | 476.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 400 | $67.38 | $26,952 | 243,960 Direct | -0.16% | Disposed | 476.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,900 | $67.39 | $262,821 | 244,360 Direct | -1.57% | Disposed | 476.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,200 | $67.40 | $80,880 | 248,260 Direct | -0.48% | Disposed | 476.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 200 | $67.41 | $13,482 | 249,460 Direct | -0.08% | Disposed | 476.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 300 | $67.42 | $20,226 | 249,660 Direct | -0.12% | Disposed | 476.0% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,700 | $67.43 | $114,631 | 249,960 Direct | -0.68% | Disposed | 475.9% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,500 | $67.44 | $101,160 | 251,660 Direct | -0.59% | Disposed | 475.8% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 461 | $67.45 | $31,094 | 253,160 Direct | -0.18% | Disposed | 475.8% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,100 | $67.47 | $74,217 | 253,621 Direct | -0.43% | Disposed | 475.6% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 800 | $67.48 | $53,984 | 254,721 Direct | -0.31% | Disposed | 475.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,400 | $67.49 | $94,486 | 255,521 Direct | -0.54% | Disposed | 475.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,100 | $67.50 | $74,250 | 256,921 Direct | -0.43% | Disposed | 475.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 500 | $67.51 | $33,755 | 258,021 Direct | -0.19% | Disposed | 475.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 300 | $67.52 | $20,256 | 258,521 Direct | -0.12% | Disposed | 475.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,700 | $67.53 | $114,801 | 258,821 Direct | -0.65% | Disposed | 475.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,400 | $67.54 | $162,096 | 260,521 Direct | -0.91% | Disposed | 475.0% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 4,650 | $67.55 | $314,108 | 262,921 Direct | -1.74% | Disposed | 474.9% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,437 | $67.56 | $232,204 | 267,571 Direct | -1.27% | Disposed | 474.8% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,636 | $67.57 | $110,545 | 271,008 Direct | -0.60% | Disposed | 474.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,000 | $67.58 | $135,160 | 272,644 Direct | -0.73% | Disposed | 474.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,300 | $67.59 | $87,867 | 274,644 Direct | -0.47% | Disposed | 474.6% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,300 | $67.60 | $87,880 | 275,944 Direct | -0.47% | Disposed | 474.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,400 | $67.61 | $94,654 | 277,244 Direct | -0.50% | Disposed | 474.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,313 | $67.62 | $156,405 | 278,644 Direct | -0.82% | Disposed | 474.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 900 | $67.63 | $60,867 | 280,957 Direct | -0.32% | Disposed | 474.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,400 | $67.64 | $94,696 | 281,857 Direct | -0.49% | Disposed | 474.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 600 | $67.65 | $40,590 | 283,257 Direct | -0.21% | Disposed | 474.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,139 | $67.46 | $76,837 | 106,821 Direct | -1.06% | Disposed | 475.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 900 | $66.88 | $60,192 | 107,960 Direct | -0.83% | Disposed | 480.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 395 | $66.89 | $26,422 | 108,860 Direct | -0.36% | Disposed | 480.6% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 705 | $66.90 | $47,164 | 109,255 Direct | -0.64% | Disposed | 480.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 900 | $66.91 | $60,219 | 109,960 Direct | -0.81% | Disposed | 480.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,100 | $66.92 | $73,612 | 110,860 Direct | -0.98% | Disposed | 480.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,100 | $66.93 | $73,623 | 111,960 Direct | -0.97% | Disposed | 480.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 800 | $66.94 | $53,552 | 113,060 Direct | -0.70% | Disposed | 480.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,500 | $66.95 | $167,375 | 113,860 Direct | -2.15% | Disposed | 480.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 7,000 | $66.96 | $468,720 | 116,360 Direct | -5.67% | Disposed | 480.0% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 5,600 | $66.97 | $375,032 | 123,360 Direct | -4.34% | Disposed | 479.9% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 6,751 | $66.98 | $452,182 | 128,960 Direct | -4.97% | Disposed | 479.8% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 10,607 | $66.99 | $710,563 | 135,711 Direct | -7.25% | Disposed | 479.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,342 | $67.00 | $223,914 | 146,318 Direct | -2.23% | Disposed | 479.6% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,400 | $67.01 | $227,834 | 149,660 Direct | -2.22% | Disposed | 479.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,800 | $67.02 | $187,656 | 153,060 Direct | -1.80% | Disposed | 479.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,500 | $67.03 | $167,575 | 155,860 Direct | -1.58% | Disposed | 479.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 600 | $67.04 | $40,224 | 158,360 Direct | -0.38% | Disposed | 479.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,000 | $67.05 | $134,100 | 158,960 Direct | -1.24% | Disposed | 479.2% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,300 | $67.06 | $87,178 | 160,960 Direct | -0.80% | Disposed | 479.1% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,500 | $67.07 | $100,605 | 162,260 Direct | -0.92% | Disposed | 479.0% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,300 | $67.08 | $221,364 | 163,760 Direct | -1.98% | Disposed | 478.9% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,600 | $67.09 | $241,524 | 167,060 Direct | -2.11% | Disposed | 478.9% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 8,400 | $67.10 | $563,640 | 170,660 Direct | -4.69% | Disposed | 478.8% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 7,201 | $67.11 | $483,259 | 179,060 Direct | -3.87% | Disposed | 478.7% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 5,399 | $67.12 | $362,381 | 186,261 Direct | -2.82% | Disposed | 478.6% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 6,300 | $67.13 | $422,919 | 191,660 Direct | -3.18% | Disposed | 478.5% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 2,700 | $67.14 | $181,278 | 197,960 Direct | -1.35% | Disposed | 478.4% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 1,600 | $67.15 | $107,440 | 200,660 Direct | -0.79% | Disposed | 478.3% (price as of 2026-08-20) |
| Aug. 1, 2008 | LH | S 10b5-1 | 3,105 | $67.16 | $208,532 | 202,260 Direct | -1.51% | Disposed | 478.2% (price as of 2026-08-20) |
Showing latest 100 of 947 transactions
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 11, 2011 | LH | Non-qualified Stock Options [F2] | Common Stock (2,600) | $98.49 | May 11, 2021 | 2,600 | Acquired |
| April 15, 2011 | LH | Non-qualified Stock Options [F5] | Common Stock (103,867) | $58.57 | Feb. 23, 2016 | 103,867 | Disposed |
| April 14, 2011 | LH | Non-qualified Stock Options [F5] | Common Stock (71,133) | $58.57 | Feb. 23, 2016 | 71,133 | Disposed |
| Dec. 1, 2010 | LH | Non-qualified Stock Options [F3] | Common Stock (175,000) | $47.89 | March 1, 2015 | 175,000 | Disposed |
| May 12, 2010 | LH | Non-qualified Stock Options [F2] | Common Stock (3,100) | $77.19 | May 12, 2020 | 3,100 | Acquired |
| April 5, 2010 | LH | Non-qualified Stock Options [F4] | Common Stock (88,063) | $43.53 | Feb. 14, 2012 | 88,063 | Disposed |
| Jan. 20, 2010 | LH | Non-qualified Stock Options [F4] | Common Stock (26,518) | $43.53 | Feb. 14, 2012 | 26,518 | Disposed |
| Jan. 19, 2010 | LH | Non-qualified Stock Options [F4] | Common Stock (9,260) | $43.53 | Feb. 14, 2012 | 9,260 | Disposed |
| Jan. 14, 2010 | LH | Non-qualified Stock Options [F3] | Common Stock (14,559) | $43.53 | Feb. 14, 2012 | 14,559 | Disposed |
| May 6, 2009 | LH | Non-qualified Stock Options [F2] | Common Stock (3,700) | $64.42 | May 6, 2019 | 3,700 | Acquired |
| Nov. 4, 2008 | LH | Non-qualified Stock Options [F6] | Common Stock (114,400) | $43.53 | Feb. 14, 2012 | 114,400 | Disposed |
| Nov. 3, 2008 | LH | Non-qualified Stock Options [F6] | Common Stock (35,600) | $43.53 | Feb. 14, 2012 | 35,600 | Disposed |
| Nov. 3, 2008 | LH | Non-qualified Stock Options [F6] | Common Stock (88,400) | $39.00 | Feb. 17, 2014 | 88,400 | Disposed |
| Aug. 1, 2008 | LH | Non-qualified Stock Options [F3] | Common Stock (200,000) | $39.00 | Feb. 17, 2014 | 200,000 | Disposed |
| May 7, 2008 | LH | Non-qualified Stock Option [F2] | Common Stock (5,300) | $75.63 | May 7, 2018 | 5,300 | Acquired |
| March 3, 2008 | LH | Non-qualified Stock Options [F5] | Common Stock (144,733) | $39.34 | Jan. 7, 2012 | 144,733 | Disposed |
| Nov. 1, 2007 | LH | Non-qualified Stock Options [F4] | Common Stock (58,267) | $39.34 | Jan. 7, 2012 | 58,267 | Disposed |
| Nov. 1, 2007 | LH | Non-qualified Stock Options [F4] | Common Stock (141,733) | $33.06 | Feb. 5, 2011 | 141,733 | Disposed |
| Aug. 1, 2007 | LH | Non-qualified Stock Options [F4] | Common Stock (200,000) | $33.06 | Feb. 5, 2011 | 200,000 | Disposed |
| May 16, 2007 | LH | Non-qualified Stock Options [F2] | Common Stock (992) | $77.58 | May 16, 2017 | 992 | Acquired |
| April 2, 2007 | LH | Non-qualified Stock Options [F4] | Common Stock (96,133) | $24.46 | Feb. 19, 2013 | 96,133 | Disposed |
| April 2, 2007 | LH | Non-qualified Stock Options [F4] | Common Stock (103,867) | $33.06 | Feb. 5, 2011 | 103,867 | Disposed |
| Nov. 1, 2006 | LH | Non-qualified Stock Options [F3] | Common Stock (48,067) | $24.46 | Feb. 19, 2013 | 48,067 | Disposed |
| May 1, 2006 | LH | Non-qualified Stock Options [F3] | Common Stock (48,066) | $24.46 | Feb. 19, 2013 | 48,066 | Disposed |
| Feb. 23, 2006 | LH | Non-qualified Stock Options [F2] | Common Stock (175,000) | $58.57 | Feb. 23, 2016 | 175,000 | Acquired |
| July 1, 2005 | LH | Non-qualified Stock Options [F1,F4] | Common Stock (68,000) | — | Aug. 16, 2010 | 68,000 | Disposed |
| April 1, 2005 | LH | Non-qualified Stock Options [F1,F3] | Common Stock (96,134) | $24.46 | Feb. 19, 2013 | 96,134 | Disposed |
| March 1, 2005 | LH | Non-qualified Stock Option [F2] | Common Stock (175,000) | $47.89 | March 1, 2015 | 175,000 | Acquired |
| April 21, 2004 | LH | Non-Qualified Stock Options [F1,F3] | Common Stock (27,000) | — | Aug. 17, 2010 | 27,000 | Acquired |
| April 20, 2004 | LH | Non-qualified Stock Options [F1,F3] | Common Stock (24,100) | — | Aug. 17, 2010 | 24,100 | Disposed |
| April 13, 2004 | LH | Non-qualified Stock Options [F1,F3] | Common Stock (16,900) | — | Aug. 17, 2010 | 16,900 | Acquired |
| April 1, 2004 | LH | Non-qualified Stock Options [F1,F4] | Common Stock (75,466) | $10.31 | Feb. 10, 2010 | 75,466 | Disposed |
| Feb. 17, 2004 | LH | Non-qualified Stock Option [F1] | Common Stock (288,400) | $39.00 | Feb. 17, 2014 | 288,400 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).