Nuala M King
Insider
First SEC filing: Feb. 5, 2008 · Latest: Feb. 5, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 1, 2017 | EFX | A | 1,262 | · | · | 12,817 Direct | +10.92% | Acquired | (price as of 2026-10-05) |
| Dec. 1, 2017 | EFX | A | 5,047 | · | · | 5,047 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 24, 2017 | EFX | F | 632 | $108.80 | $68,762 | 11,555 Direct | -5.19% | Disposed | 31.1% (price as of 2026-10-05) |
| Feb. 15, 2017 | EFX | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 15, 2017 | EFX | M | 3,334 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 15, 2017 | EFX | S | 7,954 | $129.18 | $1,027,498 | 12,187 Direct | -39.49% | Disposed | 10.4% (price as of 2026-10-05) |
| Feb. 15, 2017 | EFX | M | 2,000 | $49.74 | $99,480 | 20,141 Direct | +11.02% | Acquired | 186.7% (price as of 2026-10-05) |
| Feb. 15, 2017 | EFX | M | 3,334 | $65.52 | $218,444 | 18,141 Direct | +22.52% | Acquired | 117.6% (price as of 2026-10-05) |
| Oct. 28, 2016 | EFX | A | 3,540 | · | · | 3,540 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 28, 2016 | EFX | A | 1,168 | · | · | 14,807 Direct | +8.56% | Acquired | (price as of 2026-10-05) |
| Oct. 25, 2016 | EFX | F | 534 | $130.43 | $69,650 | 13,639 Direct | -3.77% | Disposed | 9.3% (price as of 2026-10-05) |
| Oct. 23, 2015 | EFX | A | 4,002 | · | · | 4,002 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 23, 2015 | EFX | F | 668 | $106.66 | $71,249 | 14,173 Direct | -4.50% | Disposed | 33.7% (price as of 2026-10-05) |
| Oct. 23, 2015 | EFX | A | 1,321 | · | · | 14,841 Direct | +9.77% | Acquired | (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 2,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 2,000 | · | · | 2,000 Direct | -50.00% | Disposed | (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 1,666 | · | · | 3,334 Direct | -33.32% | Disposed | (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | S | 10,353 | $91.52 | $947,507 | 13,520 Direct | -43.37% | Disposed | 55.8% (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 1,666 | $65.52 | $109,156 | 23,873 Direct | +7.50% | Acquired | 117.6% (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 2,000 | $35.52 | $71,040 | 22,207 Direct | +9.90% | Acquired | 301.5% (price as of 2026-10-05) |
| Feb. 13, 2015 | EFX | M | 2,000 | $49.74 | $99,480 | 20,207 Direct | +10.98% | Acquired | 186.7% (price as of 2026-10-05) |
| Oct. 28, 2014 | EFX | F | 1,199 | $75.76 | $90,836 | 18,207 Direct | -6.18% | Disposed | 88.2% (price as of 2026-10-05) |
| Oct. 24, 2014 | EFX | A | 5,741 | · | · | 5,741 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 24, 2014 | EFX | A | 1,895 | · | · | 19,406 Direct | +10.82% | Acquired | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 5,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 4,000 | · | · | 2,000 Direct | -66.67% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 2,000 | · | · | 4,000 Direct | -33.33% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 5,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 4,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 6,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 14, 2014 | EFX | S | 28,000 | $70.63 | $1,977,640 | 17,511 Direct | -61.52% | Disposed | 101.9% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 2,000 | $49.74 | $99,480 | 45,511 Direct | +4.60% | Acquired | 186.7% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 4,000 | $35.52 | $142,080 | 43,511 Direct | +10.12% | Acquired | 301.5% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 4,500 | $23.87 | $107,415 | 39,511 Direct | +12.85% | Acquired | 497.4% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 5,500 | $28.90 | $158,950 | 35,011 Direct | +18.64% | Acquired | 393.4% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 5,500 | $33.13 | $182,215 | 29,511 Direct | +22.91% | Acquired | 330.4% (price as of 2026-10-05) |
| May 14, 2014 | EFX | M | 6,500 | $41.22 | $267,930 | 24,011 Direct | +37.12% | Acquired | 245.9% (price as of 2026-10-05) |
| Oct. 29, 2013 | EFX | F | 834 | $65.09 | $54,285 | 17,511 Direct | -4.55% | Disposed | 119.1% (price as of 2026-10-05) |
| Oct. 25, 2013 | EFX | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 25, 2013 | EFX | A | 1,600 | · | · | 18,345 Direct | +9.56% | Acquired | (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 6,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 7,500 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | S | 16,403 | $53.89 | $883,958 | 17,313 Direct | -48.65% | Disposed | 164.6% (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | F | 2,839 | $53.28 | $151,262 | 33,716 Direct | -7.77% | Disposed | 167.6% (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 6,000 | $25.55 | $153,300 | 36,555 Direct | +19.64% | Acquired | 458.1% (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 6,000 | $36.70 | $220,200 | 30,555 Direct | +24.43% | Acquired | 288.6% (price as of 2026-10-05) |
| Dec. 13, 2012 | EFX | M | 7,500 | $30.30 | $227,250 | 24,555 Direct | +43.98% | Acquired | 370.6% (price as of 2026-10-05) |
| Oct. 26, 2012 | EFX | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 26, 2012 | EFX | A | 2,000 | · | · | 17,055 Direct | +13.28% | Acquired | (price as of 2026-10-05) |
| Oct. 23, 2012 | EFX | F | 812 | $49.47 | $40,170 | 15,055 Direct | -5.12% | Disposed | 188.3% (price as of 2026-10-05) |
| Oct. 28, 2011 | EFX | A | 6,000 | · | · | 6,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 28, 2011 | EFX | A | 2,500 | · | · | 15,867 Direct | +18.70% | Acquired | (price as of 2026-10-05) |
| Oct. 29, 2010 | EFX | A | 5,500 | · | · | 5,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 29, 2010 | EFX | A | 2,500 | · | · | 13,367 Direct | +23.01% | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2010 | EFX | F | 1,133 | $31.57 | $35,769 | 10,867 Direct | -9.44% | Disposed | 351.7% (price as of 2026-10-05) |
| Oct. 23, 2009 | EFX | A | 5,500 | · | · | 5,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Oct. 23, 2009 | EFX | A | 2,500 | · | · | 12,000 Direct | +26.32% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2009 | EFX | F | 153 | $24.59 | $3,762 | 9,500 Direct | -1.58% | Disposed | 479.9% (price as of 2026-10-05) |
| Oct. 22, 2008 | EFX | A | 1,750 | · | · | 9,653 Direct | +22.14% | Acquired | (price as of 2026-10-05) |
| Oct. 22, 2008 | EFX | A | 4,500 | · | · | 4,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 3, 2008 | EFX | F | 948 | $37.00 | $35,076 | 7,903 Direct | -10.71% | Disposed | 285.4% (price as of 2026-10-05) |
| Feb. 7, 2007 | EFX | A | 6,500 | · | · | 6,500 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 7, 2007 | EFX | A | 3,000 | · | · | 9,500 Direct | +46.15% | Acquired | (price as of 2026-10-05) |
| Feb. 9, 2006 | EFX | A | 6,000 | $36.70 | $220,200 | 6,000 Direct | · | Acquired | 288.6% (price as of 2026-10-05) |
| Feb. 9, 2006 | EFX | A | 2,000 | · | · | 6,500 Direct | +44.44% | Acquired | (price as of 2026-10-05) |
| Feb. 3, 2005 | EFX | A | 7,500 | $30.30 | $227,250 | 7,500 Direct | · | Acquired | 370.6% (price as of 2026-10-05) |
| Feb. 3, 2005 | EFX | A | 2,500 | $30.30 | $75,750 | 4,500 Direct | +125.00% | Acquired | 370.6% (price as of 2026-10-05) |
| Aug. 5, 2004 | EFX | A | 2,000 | $24.01 | $48,020 | 2,000 Direct | · | Acquired | 493.9% (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 |
|---|---|---|---|---|---|---|---|
| Dec. 1, 2017 | EFX | Stock Option/Right to Buy | Common Stock | $112.93 | Dec. 1, 2027 | 5,047 | Acquired |
| Feb. 15, 2017 | EFX | Stock Option/Right to Buy | Common Stock | $49.74 | Oct. 26, 2022 | 2,000 | Disposed |
| Feb. 15, 2017 | EFX | Stock Option/Right to Buy | Common Stock | $65.52 | Oct. 25, 2023 | 3,334 | Disposed |
| Oct. 28, 2016 | EFX | Stock Option/Right to Buy | Common Stock | $122.00 | Oct. 28, 2026 | 3,540 | Acquired |
| Oct. 23, 2015 | EFX | Stock Option/Right to Buy | Common Stock | $106.03 | Oct. 23, 2025 | 4,002 | Acquired |
| Feb. 13, 2015 | EFX | Stock Option/Right to Buy | Common Stock | $35.52 | Oct. 28, 2021 | 2,000 | Disposed |
| Feb. 13, 2015 | EFX | Stock Option/Right to Buy | Common Stock | $49.74 | Oct. 26, 2022 | 2,000 | Disposed |
| Feb. 13, 2015 | EFX | Stock Option/Right to Buy | Common Stock | $65.52 | Oct. 25, 2023 | 1,666 | Disposed |
| Oct. 24, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $73.89 | Oct. 24, 2024 | 5,741 | Acquired |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $33.13 | Oct. 29, 2020 | 5,500 | Disposed |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $35.52 | Oct. 28, 2021 | 4,000 | Disposed |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $49.74 | Oct. 26, 2022 | 2,000 | Disposed |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $28.90 | Oct. 23, 2019 | 5,500 | Disposed |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $23.87 | Oct. 22, 2018 | 4,500 | Disposed |
| May 14, 2014 | EFX | Stock Option/Right to Buy | Common Stock | $41.22 | Feb. 7, 2017 | 6,500 | Disposed |
| Oct. 25, 2013 | EFX | Stock Option/Right to Buy | Common Stock | $65.52 | Oct. 25, 2023 | 5,000 | Acquired |
| Dec. 13, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $25.55 | March 22, 2014 | 6,000 | Disposed |
| Dec. 13, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $36.70 | Feb. 9, 2016 | 6,000 | Disposed |
| Dec. 13, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $30.30 | Feb. 3, 2015 | 7,500 | Disposed |
| Oct. 26, 2012 | EFX | Stock Option/Right to Buy | Common Stock | $49.74 | Oct. 26, 2022 | 6,000 | Acquired |
| Oct. 28, 2011 | EFX | Stock Option/Right to Buy | Common Stock | $35.52 | Oct. 28, 2021 | 6,000 | Acquired |
| Oct. 29, 2010 | EFX | Stock Option/Right to Buy | Common Stock | $33.13 | Oct. 29, 2020 | 5,500 | Acquired |
| Oct. 23, 2009 | EFX | Stock Option/Right to Buy | Common Stock | $28.90 | Oct. 23, 2019 | 5,500 | Acquired |
| Oct. 22, 2008 | EFX | Stock Option/Right to Buy | Common Stock | $23.87 | Oct. 22, 2018 | 4,500 | Acquired |
| Feb. 7, 2007 | EFX | Stock Option/Right to Buy | Common Stock | $41.22 | Feb. 7, 2017 | 6,500 | Acquired |
| Feb. 9, 2006 | EFX | Stock Option/Right to Buy | Common Stock | $36.70 | Feb. 9, 2016 | 6,000 | Acquired |
| Feb. 3, 2005 | EFX | Stock Option/Right to Buy | Common Stock | $30.30 | Feb. 3, 2015 | 7,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 31, 2004 | EFX | Stock Option/Right to Buy | 6,000 | Direct |