Kent E Mast
Insider
First SEC filing: Feb. 12, 2008 · Latest: Feb. 12, 2008
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 28, 2013 | EFX | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 28, 2013 | EFX | S | 10,000 | $55.04 | $550,400 | 68,961 Direct | -12.66% | Disposed | 154.4% (price as of 2026-10-02) |
| Feb. 28, 2013 | EFX | M | 10,000 | $28.81 | $288,100 | 78,961 Direct | +14.50% | Acquired | 385.9% (price as of 2026-10-02) |
| Feb. 8, 2013 | EFX | A | 4,423 | · | · | 68,961 Direct | +6.85% | Acquired | (price as of 2026-10-02) |
| Dec. 7, 2012 | EFX | S | 9,669 | $54.22 | $524,253 | 64,538 Direct | -13.03% | Disposed | 158.2% (price as of 2026-10-02) |
| Aug. 21, 2012 | EFX | S | 5,000 | $47.00 | $235,000 | 74,207 Direct | -6.31% | Disposed | 197.9% (price as of 2026-10-02) |
| Aug. 16, 2012 | EFX | S | 5,000 | $46.12 | $230,600 | 79,207 Direct | -5.94% | Disposed | 203.6% (price as of 2026-10-02) |
| May 3, 2012 | EFX | M | 5,000 | · | · | 10,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| May 3, 2012 | EFX | S | 5,000 | $46.27 | $231,350 | 84,207 Direct | -5.60% | Disposed | 202.6% (price as of 2026-10-02) |
| May 3, 2012 | EFX | S | 4,300 | $46.40 | $199,520 | 89,207 Direct | -4.60% | Disposed | 201.7% (price as of 2026-10-02) |
| May 3, 2012 | EFX | M | 5,000 | $28.81 | $144,050 | 93,507 Direct | +5.65% | Acquired | 385.9% (price as of 2026-10-02) |
| April 27, 2012 | EFX | M | 5,000 | · | · | 15,000 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| April 27, 2012 | EFX | S | 5,000 | $46.33 | $231,650 | 88,507 Direct | -5.35% | Disposed | 202.2% (price as of 2026-10-02) |
| April 27, 2012 | EFX | S | 4,338 | $46.16 | $200,242 | 93,507 Direct | -4.43% | Disposed | 203.3% (price as of 2026-10-02) |
| April 27, 2012 | EFX | M | 5,000 | $28.81 | $144,050 | 97,845 Direct | +5.39% | Acquired | 385.9% (price as of 2026-10-02) |
| April 24, 2012 | EFX | F | 4,362 | $43.70 | $190,619 | 92,845 Direct | -4.49% | Disposed | 220.4% (price as of 2026-10-02) |
| Feb. 29, 2012 | EFX | S | 2,507 | $42.28 | $105,996 | 97,207 Direct | -2.51% | Disposed | 231.1% (price as of 2026-10-02) |
| Feb. 10, 2012 | EFX | M | 10,000 | · | · | 20,000 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2012 | EFX | S | 10,000 | · | · | 99,714 Direct | -9.11% | Disposed | (price as of 2026-10-02) |
| Feb. 10, 2012 | EFX | A | 8,700 | · | · | 109,714 Direct | +8.61% | Acquired | (price as of 2026-10-02) |
| Feb. 10, 2012 | EFX | M | 10,000 | $28.81 | $288,100 | 101,014 Direct | +10.99% | Acquired | 385.9% (price as of 2026-10-02) |
| Nov. 30, 2011 | EFX | S | 2,206 | $36.71 | $80,982 | 91,014 Direct | -2.37% | Disposed | 281.4% (price as of 2026-10-02) |
| Nov. 30, 2011 | EFX | S | 1,694 | $36.70 | $62,170 | 93,220 Direct | -1.78% | Disposed | 281.5% (price as of 2026-10-02) |
| Nov. 30, 2011 | EFX | S | 600 | $36.72 | $22,032 | 94,914 Direct | -0.63% | Disposed | 281.3% (price as of 2026-10-02) |
| Nov. 3, 2011 | EFX | S | 3,000 | $35.50 | $106,500 | 95,514 Direct | -3.05% | Disposed | 294.4% (price as of 2026-10-02) |
| May 2, 2011 | EFX | M | 35,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 2, 2011 | EFX | S | 35,000 | $38.15 | $1,335,250 | 98,514 Direct | -26.21% | Disposed | 267.0% (price as of 2026-10-02) |
| May 2, 2011 | EFX | M | 35,000 | $30.30 | $1,060,500 | 133,514 Direct | +35.53% | Acquired | 362.0% (price as of 2026-10-02) |
| April 29, 2011 | EFX | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 29, 2011 | EFX | A | 12,000 | · | · | 98,514 Direct | +13.87% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2011 | EFX | M | 26,079 | $25.50 | $665,014 | 0 Direct | -100.00% | Disposed | 449.0% (price as of 2026-10-02) |
| Feb. 15, 2011 | EFX | S | 26,079 | $36.25 | $945,364 | 86,514 Direct | -23.16% | Disposed | 286.2% (price as of 2026-10-02) |
| Feb. 15, 2011 | EFX | M | 26,079 | $25.50 | $665,014 | 112,593 Direct | +30.14% | Acquired | 449.0% (price as of 2026-10-02) |
| Feb. 8, 2011 | EFX | F | 3,311 | $37.00 | $122,507 | 86,514 Direct | -3.69% | Disposed | 278.4% (price as of 2026-10-02) |
| Nov. 24, 2010 | EFX | M | 11,106 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 24, 2010 | EFX | S | 11,106 | $34.97 | $388,377 | 89,825 Direct | -11.00% | Disposed | 300.3% (price as of 2026-10-02) |
| Nov. 24, 2010 | EFX | M | 11,106 | $25.68 | $285,202 | 100,931 Direct | +12.36% | Acquired | 445.2% (price as of 2026-10-02) |
| Nov. 9, 2010 | EFX | M | 14,709 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 9, 2010 | EFX | M | 10,000 | · | · | 11,106 Direct | -47.38% | Disposed | (price as of 2026-10-02) |
| Nov. 9, 2010 | EFX | S | 24,709 | $34.69 | $857,155 | 89,825 Direct | -21.57% | Disposed | 303.6% (price as of 2026-10-02) |
| Nov. 9, 2010 | EFX | M | 10,000 | $25.68 | $256,800 | 114,534 Direct | +9.57% | Acquired | 445.2% (price as of 2026-10-02) |
| Nov. 9, 2010 | EFX | M | 14,709 | $25.50 | $375,080 | 104,534 Direct | +16.38% | Acquired | 449.0% (price as of 2026-10-02) |
| April 30, 2010 | EFX | A | 25,000 | · | · | 25,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 30, 2010 | EFX | A | 12,000 | · | · | 89,825 Direct | +15.42% | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2010 | EFX | S | 9,457 | $31.37 | $296,666 | 82,625 Direct | -10.27% | Disposed | 346.3% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 4,800 | $31.53 | $151,344 | 77,825 Direct | -5.81% | Disposed | 344.0% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | M | 17,847 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 4,800 | $31.55 | $151,440 | 92,082 Direct | -4.95% | Disposed | 343.7% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 3,200 | $31.54 | $100,928 | 96,882 Direct | -3.20% | Disposed | 343.9% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 2,747 | $31.52 | $86,585 | 100,082 Direct | -2.67% | Disposed | 344.2% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 2,000 | $31.51 | $63,020 | 102,829 Direct | -1.91% | Disposed | 344.3% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | S | 300 | $31.56 | $9,468 | 104,829 Direct | -0.29% | Disposed | 343.6% (price as of 2026-10-02) |
| Feb. 5, 2010 | EFX | M | 17,847 | $21.11 | $376,750 | 105,129 Direct | +20.45% | Acquired | 563.2% (price as of 2026-10-02) |
| Dec. 20, 2009 | EFX | F | 4,543 | $30.45 | $138,334 | 87,282 Direct | -4.95% | Disposed | 359.8% (price as of 2026-10-02) |
| April 24, 2009 | EFX | A | 13,000 | · | · | 91,825 Direct | +16.49% | Acquired | (price as of 2026-10-02) |
| April 24, 2009 | EFX | A | 30,000 | · | · | 30,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 19, 2008 | EFX | F | 4,543 | $25.56 | $116,119 | 78,825 Direct | -5.45% | Disposed | 447.7% (price as of 2026-10-02) |
| April 22, 2008 | EFX | M | 3,894 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 22, 2008 | EFX | F | 2,699 | $37.06 | $100,025 | 83,368 Direct | -3.14% | Disposed | 277.8% (price as of 2026-10-02) |
| April 22, 2008 | EFX | M | 3,894 | $25.68 | $99,998 | 86,067 Direct | +4.74% | Acquired | 445.2% (price as of 2026-10-02) |
| Feb. 8, 2008 | EFX | A | 27,000 | · | · | 27,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Feb. 8, 2008 | EFX | A | 10,000 | · | · | 82,173 Direct | +13.86% | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2007 | EFX | F | 5,943 | $36.51 | $216,979 | 72,173 Direct | -7.61% | Disposed | 283.5% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | M | 15,000 | · | · | 14,709 Direct | -50.49% | Disposed | (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 900 | $38.55 | $34,695 | 80,516 Direct | -1.11% | Disposed | 263.2% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 1,200 | $38.53 | $46,236 | 81,416 Direct | -1.45% | Disposed | 263.4% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 800 | $38.57 | $30,856 | 78,116 Direct | -1.01% | Disposed | 263.0% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 1,600 | $38.56 | $61,696 | 78,916 Direct | -1.99% | Disposed | 263.1% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 4,300 | $38.52 | $165,636 | 82,616 Direct | -4.95% | Disposed | 263.4% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 1,800 | $38.51 | $69,318 | 86,916 Direct | -2.03% | Disposed | 263.5% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | S | 4,400 | $38.50 | $169,400 | 88,716 Direct | -4.73% | Disposed | 263.6% (price as of 2026-10-02) |
| Aug. 13, 2007 | EFX | M | 15,000 | $25.50 | $382,500 | 93,116 Direct | +19.20% | Acquired | 449.0% (price as of 2026-10-02) |
| Aug. 3, 2007 | EFX | S | 15,865 | $40.00 | $634,600 | 78,116 Direct | -16.88% | Disposed | 250.0% (price as of 2026-10-02) |
| Aug. 3, 2007 | EFX | M | 15,865 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 3, 2007 | EFX | M | 15,865 | $24.18 | $383,616 | 93,981 Direct | +20.31% | Acquired | 479.0% (price as of 2026-10-02) |
| May 18, 2007 | EFX | A | 172 | · | · | 78,116 Direct | +0.22% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | M | 15,000 | · | · | 15,865 Direct | -48.60% | Disposed | (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 100 | $39.78 | $3,978 | 77,944 Direct | -0.13% | Disposed | 251.9% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 300 | $39.74 | $11,922 | 78,044 Direct | -0.38% | Disposed | 252.3% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 5,600 | $39.73 | $222,488 | 78,344 Direct | -6.67% | Disposed | 252.4% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 200 | $39.72 | $7,944 | 83,944 Direct | -0.24% | Disposed | 252.5% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 100 | $39.71 | $3,971 | 84,144 Direct | -0.12% | Disposed | 252.6% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 400 | $39.70 | $15,880 | 84,244 Direct | -0.47% | Disposed | 252.6% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 500 | $39.69 | $19,845 | 84,644 Direct | -0.59% | Disposed | 252.7% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 700 | $39.68 | $27,776 | 85,144 Direct | -0.82% | Disposed | 252.8% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 400 | $39.67 | $15,868 | 85,844 Direct | -0.46% | Disposed | 252.9% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 2,100 | $39.66 | $83,286 | 86,244 Direct | -2.38% | Disposed | 253.0% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 4,800 | $39.65 | $190,320 | 88,344 Direct | -5.15% | Disposed | 253.1% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 100 | $39.64 | $3,964 | 93,144 Direct | -0.11% | Disposed | 253.2% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 400 | $39.63 | $15,852 | 93,244 Direct | -0.43% | Disposed | 253.3% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 500 | $39.62 | $19,810 | 93,644 Direct | -0.53% | Disposed | 253.4% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 900 | $39.61 | $35,649 | 94,144 Direct | -0.95% | Disposed | 253.4% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 300 | $39.59 | $11,877 | 95,044 Direct | -0.31% | Disposed | 253.6% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | S | 100 | $39.58 | $3,958 | 95,344 Direct | -0.10% | Disposed | 253.7% (price as of 2026-10-02) |
| Feb. 20, 2007 | EFX | M | 15,000 | $24.18 | $362,700 | 95,444 Direct | +18.65% | Acquired | 479.0% (price as of 2026-10-02) |
| Feb. 7, 2007 | EFX | A | 26,000 | · | · | 26,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 29, 2007 | EFX | F | 2,703 | $40.48 | $109,417 | 80,444 Direct | -3.25% | Disposed | 245.8% (price as of 2026-10-02) |
| May 16, 2006 | EFX | S | 3,300 | $36.80 | $121,440 | 83,147 Direct | -3.82% | Disposed | 280.4% (price as of 2026-10-02) |
| Feb. 9, 2006 | EFX | A | 25,000 | $36.70 | $917,500 | 25,000 Direct | · | Acquired | 281.5% (price as of 2026-10-02) |
| Feb. 8, 2006 | EFX | M | 4,737 | $21.11 | $99,998 | 0 Direct | -100.00% | Disposed | 563.2% (price as of 2026-10-02) |
Showing latest 100 of 146 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 |
|---|---|---|---|---|---|---|---|
| Feb. 28, 2013 | EFX | Stock Option/Right to Buy | Common Stock | $28.81 | April 24, 2014 | 10,000 | Disposed |
| May 3, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $28.81 | April 24, 2014 | 5,000 | Disposed |
| April 27, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $28.81 | April 24, 2014 | 5,000 | Disposed |
| Feb. 10, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $28.81 | April 24, 2014 | 10,000 | Disposed |
| May 2, 2011 | EFX | Stock Option/Right to Buy | Common Stock | $30.30 | Feb. 3, 2015 | 35,000 | Disposed |
| April 29, 2011 | EFX | Stock Option/Right to Buy | Common Stock | $37.53 | April 29, 2021 | 25,000 | Acquired |
| Feb. 15, 2011 | EFX | Stock Option/Right to Buy | Common Stock | $25.50 | Feb. 5, 2012 | 26,079 | Disposed |
| Nov. 24, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $25.68 | Jan. 29, 2014 | 11,106 | Disposed |
| Nov. 9, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $25.50 | Feb. 5, 2012 | 14,709 | Disposed |
| Nov. 9, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $25.68 | Jan. 29, 2014 | 10,000 | Disposed |
| April 30, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $33.60 | April 30, 2020 | 25,000 | Acquired |
| Feb. 5, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $21.11 | Jan. 29, 2013 | 17,847 | Disposed |
| April 24, 2009 | EFX | Stock Option/Right to Buy | Common Stock | $28.81 | April 24, 2014 | 30,000 | Acquired |
| April 22, 2008 | EFX | Stock Option/Right to Buy | Common Stock | $25.68 | Jan. 29, 2014 | 3,894 | Disposed |
| Feb. 8, 2008 | EFX | Stock Option/Right to Buy | Common Stock | $33.88 | Feb. 8, 2018 | 27,000 | Acquired |
| Aug. 13, 2007 | EFX | Stock Option/Right to Buy | Common Stock | $25.50 | Feb. 5, 2012 | 15,000 | Disposed |
| Aug. 3, 2007 | EFX | Stock Option/Right to Buy | Common Stock | $24.18 | Aug. 7, 2011 | 15,865 | Disposed |
| Feb. 20, 2007 | EFX | Stock Option/Right to Buy | Common Stock | $24.18 | Aug. 7, 2011 | 15,000 | Disposed |
| Feb. 7, 2007 | EFX | Stock Option/Right to Buy | Common Stock | $41.22 | Feb. 7, 2017 | 26,000 | Acquired |
| Feb. 9, 2006 | EFX | Stock Option/Right to Buy | Common Stock | $36.70 | Feb. 9, 2016 | 25,000 | Acquired |
| Feb. 8, 2006 | EFX | Stock Option/Right to Buy | Common Stock | $21.11 | Jan. 29, 2013 | 4,737 | Disposed |
| July 29, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $21.11 | Jan. 29, 2013 | 1,084 | Disposed |
| July 29, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $21.11 | Jan. 29, 2013 | 7,416 | Disposed |
| March 2, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $25.50 | Feb. 5, 2012 | 3,921 | Disposed |
| March 2, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $24.18 | Aug. 7, 2011 | 4,135 | Disposed |
| Feb. 3, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $30.30 | Feb. 3, 2015 | 35,000 | Acquired |
| Nov. 2, 2004 | EFX | Stock Option/Right to Buy | Common Stock | $20.24 | Nov. 7, 2010 | 1,089 | Disposed |
| Oct. 26, 2004 | EFX | Stock Option/Right to Buy | Common Stock | $21.11 | Jan. 29, 2013 | 39,027 | Disposed |
| Oct. 26, 2004 | EFX | Stock Option/Right to Buy | Common Stock | $20.24 | Nov. 7, 2010 | 15,666 | Disposed |
| Aug. 16, 2004 | EFX | Stock Option/Right to Buy | Common Stock | $20.24 | Nov. 7, 2010 | 8,675 | Disposed |
| Feb. 23, 2004 | EFX | Stock Option/Right-to-Buy (11/7/2000) | Common Stock | $20.00 | Nov. 7, 2010 | 125 | Disposed |
| Feb. 20, 2004 | EFX | Stock Option/Right-to-Buy (11/7/2000) | Common Stock | $20.00 | Nov. 7, 2010 | 4,875 | Disposed |
| Feb. 13, 2004 | EFX | Stock Option/Right-to-Buy (11/7/2000) | Common Stock | $20.00 | Nov. 7, 2010 | 23,694 | Disposed |
| Jan. 29, 2004 | EFX | Stock Option (Right to Buy) | Common Stock | $25.68 | Jan. 29, 2014 | 25,000 | Acquired |
| Aug. 13, 2003 | EFX | Stock Option/Right-to-Buy | Common Stock | $20.00 | Nov. 7, 2010 | 5,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2012 | $457,322 | $0 | · | · | $521,347 | $229,400 | $25,098 | $2,038,764 |
| 2007 | · | · | · | · | · | · | · | · |
| 2006 | $372,517 | $67,053 | · | · | $318,241 | $305,506 | $72,739 | $1,836,510 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.