Gary M Pfeiffer
Insider
First SEC filing: Dec. 15, 2004 · Latest: Dec. 15, 2004
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-270,317
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 20, 2026 | DGX | A | 1,142 | · | · | 31,005 Direct | +3.82% | Acquired | (price as of 2026-10-02) |
| Oct. 23, 2025 | DGX | I | 4,413 | $190.58 | $841,030 | 0 Direct | -100.00% | Disposed | 22.4% (price as of 2026-10-02) |
| Oct. 22, 2025 | DGX | S | 1,482 | $182.40 | $270,317 | 29,431 Direct | -4.79% | Disposed | 27.9% (price as of 2026-10-02) |
| May 15, 2025 | DGX | A | 1,203 | · | · | 30,669 Direct | +4.08% | Acquired | (price as of 2026-10-02) |
| May 16, 2024 | DGX | A | 1,482 | · | · | 28,916 Direct | +5.40% | Acquired | (price as of 2026-10-02) |
| May 17, 2023 | DGX | A | 1,369 | · | · | 26,839 Direct | +5.37% | Acquired | (price as of 2026-10-02) |
| May 18, 2022 | DGX | A | 1,292 | · | · | 24,982 Direct | +5.45% | Acquired | (price as of 2026-10-02) |
| May 25, 2021 | DGX | A | 1,363 | · | · | 23,265 Direct | +6.22% | Acquired | (price as of 2026-10-02) |
| May 19, 2020 | DGX | A | 1,531 | · | · | 21,513 Direct | +7.66% | Acquired | (price as of 2026-10-02) |
| May 14, 2019 | DGX | A | 1,722 | · | · | 19,563 Direct | +9.65% | Acquired | (price as of 2026-10-02) |
| May 15, 2018 | DGX | A | 1,644 | · | · | 17,462 Direct | +10.39% | Acquired | (price as of 2026-10-02) |
| May 16, 2017 | DGX | A | 1,573 | · | · | 15,534 Direct | +11.27% | Acquired | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 8,310 | $85.25 | $708,428 | 13,698 Direct | -37.76% | Disposed | 173.7% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 6,111 | $85.18 | $520,535 | 22,008 Direct | -21.73% | Disposed | 173.9% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | $61.22 | $374,115 | 28,119 Direct | +27.77% | Acquired | 281.1% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 6,111 | $85.09 | $519,985 | 22,008 Direct | -21.73% | Disposed | 174.2% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | $57.56 | $351,749 | 28,119 Direct | +27.77% | Acquired | 305.4% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 6,111 | $85.06 | $519,802 | 22,008 Direct | -21.73% | Disposed | 174.3% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 6,111 | $57.66 | $352,360 | 28,119 Direct | +27.77% | Acquired | 304.7% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 8,000 | $84.94 | $679,520 | 22,008 Direct | -26.66% | Disposed | 174.7% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 8,000 | $55.76 | $446,080 | 30,008 Direct | +36.35% | Acquired | 318.5% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | S | 8,000 | $85.01 | $680,080 | 22,008 Direct | -26.66% | Disposed | 174.5% (price as of 2026-10-02) |
| Nov. 15, 2016 | DGX | M | 8,000 | $51.55 | $412,400 | 30,008 Direct | +36.35% | Acquired | 352.6% (price as of 2026-10-02) |
| May 17, 2016 | DGX | A | 2,196 | · | · | 22,008 Direct | +11.08% | Acquired | (price as of 2026-10-02) |
| Jan. 4, 2016 | DGX | A | 494 | $71.38 | $35,262 | 19,685 Direct | +2.57% | Acquired | 226.9% (price as of 2026-10-02) |
| May 15, 2015 | DGX | A | 2,340 | · | · | 19,191 Direct | +13.89% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2015 | DGX | M | 8,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 4, 2015 | DGX | S | 8,000 | $72.43 | $579,440 | 16,851 Direct | -32.19% | Disposed | 222.1% (price as of 2026-10-02) |
| Feb. 4, 2015 | DGX | M | 8,000 | $49.94 | $399,520 | 24,851 Direct | +47.47% | Acquired | 367.2% (price as of 2026-10-02) |
| Nov. 10, 2014 | DGX | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 10, 2014 | DGX | S | 10,000 | $61.69 | $616,900 | 16,851 Direct | -37.24% | Disposed | 278.2% (price as of 2026-10-02) |
| Nov. 10, 2014 | DGX | M | 10,000 | $48.02 | $480,200 | 26,851 Direct | +59.34% | Acquired | 385.9% (price as of 2026-10-02) |
| May 21, 2014 | DGX | A | 2,924 | · | · | 16,851 Direct | +21.00% | Acquired | (price as of 2026-10-02) |
| May 7, 2014 | DGX | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 7, 2014 | DGX | S | 10,000 | $55.95 | $559,500 | 13,927 Direct | -41.79% | Disposed | 317.0% (price as of 2026-10-02) |
| May 7, 2014 | DGX | M | 10,000 | $49.04 | $490,400 | 23,927 Direct | +71.80% | Acquired | 375.8% (price as of 2026-10-02) |
| Oct. 25, 2013 | DGX | S | 2,000 | $58.10 | $116,200 | 13,927 Direct | -12.56% | Disposed | 301.6% (price as of 2026-10-02) |
| May 21, 2013 | DGX | A | 6,111 | · | · | 6,111 Direct | · | Acquired | (price as of 2026-10-02) |
| May 21, 2013 | DGX | A | 1,975 | · | · | 15,927 Direct | +14.16% | Acquired | (price as of 2026-10-02) |
| Jan. 17, 2013 | DGX | M 10b5-1 | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 17, 2013 | DGX | S 10b5-1 | 10,000 | $60.00 | $600,000 | 13,952 Direct | -41.75% | Disposed | 288.9% (price as of 2026-10-02) |
| Jan. 17, 2013 | DGX | M 10b5-1 | 10,000 | $55.40 | $554,000 | 23,952 Direct | +71.67% | Acquired | 321.2% (price as of 2026-10-02) |
| May 11, 2012 | DGX | A | 6,111 | · | · | 6,111 Direct | · | Acquired | (price as of 2026-10-02) |
| May 11, 2012 | DGX | A | 1,975 | · | · | 13,952 Direct | +16.49% | Acquired | (price as of 2026-10-02) |
| May 2, 2012 | DGX | S | 10,000 | $58.30 | $583,000 | 11,977 Direct | -45.50% | Disposed | 300.2% (price as of 2026-10-02) |
| May 2, 2012 | DGX | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 2, 2012 | DGX | M | 10,000 | $53.27 | $532,700 | 21,977 Direct | +83.49% | Acquired | 338.0% (price as of 2026-10-02) |
| May 17, 2011 | DGX | A | 6,111 | · | · | 6,111 Direct | · | Acquired | (price as of 2026-10-02) |
| May 17, 2011 | DGX | A | 1,975 | · | · | 11,977 Direct | +19.75% | Acquired | (price as of 2026-10-02) |
| May 6, 2010 | DGX | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 6, 2010 | DGX | A | 1,667 | · | · | 10,002 Direct | +20.00% | Acquired | (price as of 2026-10-02) |
| May 14, 2009 | DGX | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 14, 2009 | DGX | A | 1,667 | · | · | 8,335 Direct | +25.00% | Acquired | (price as of 2026-10-02) |
| May 16, 2008 | DGX | A | 8,000 | · | · | 8,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 16, 2008 | DGX | A | 1,667 | · | · | 6,668 Direct | +33.33% | Acquired | (price as of 2026-10-02) |
| May 8, 2007 | DGX | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 8, 2007 | DGX | A | 1,667 | · | · | 5,001 Direct | +50.00% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2006 | DGX | A | 339 | · | · | 2,216 Direct | +18.06% | Acquired | (price as of 2026-10-02) |
| July 1, 2006 | DGX | A | 409 | · | · | 1,877 Direct | +27.86% | Acquired | (price as of 2026-10-02) |
| May 4, 2006 | DGX | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 4, 2006 | DGX | A | 3,334 | · | · | 3,334 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2006 | DGX | A | 507 | · | · | 1,970 Direct | +34.65% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2006 | DGX | A | 665 | · | · | 1,463 Direct | +83.33% | Acquired | (price as of 2026-10-02) |
| Oct. 1, 2005 | DGX | A | 455 | · | · | 798 Direct | +132.65% | Acquired | (price as of 2026-10-02) |
| July 1, 2005 | DGX | A | 343 | · | · | 343 Direct | · | Acquired | (price as of 2026-10-02) |
| May 10, 2005 | DGX | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2005 | DGX | A | 133 | · | · | 133 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2005 | DGX | A | 107 | · | · | 107 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 13, 2004 | DGX | A | 5,000 | · | · | 5,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 23, 2025 | DGX | Phantom Stock | Common Stock | · | · | 4,413 | Disposed |
| Nov. 15, 2016 | DGX | Stock Options (Right to Buy) | Common Stock | $61.22 | May 21, 2023 | 6,111 | Disposed |
| Nov. 15, 2016 | DGX | Stock Options (Right to Buy) | Common Stock | $57.56 | May 11, 2022 | 6,111 | Disposed |
| Nov. 15, 2016 | DGX | Stock Options (Right to Buy) | Common Stock | $57.67 | May 17, 2021 | 6,111 | Disposed |
| Nov. 15, 2016 | DGX | Stock Options (Right to Buy) | Common Stock | $55.76 | May 6, 2020 | 8,000 | Disposed |
| Nov. 15, 2016 | DGX | Stock Options (Right to Buy) | Common Stock | $51.55 | May 14, 2019 | 8,000 | Disposed |
| Feb. 4, 2015 | DGX | Stock Options (Right to Buy) | Common Stock | $49.94 | May 16, 2015 | 8,000 | Disposed |
| Nov. 10, 2014 | DGX | Stock Options (Right to Buy) | Common Stock | $48.02 | Dec. 13, 2014 | 10,000 | Disposed |
| May 7, 2014 | DGX | Stock Options (Right to Buy) | Common Stock | $49.04 | May 8, 2014 | 10,000 | Disposed |
| May 21, 2013 | DGX | Stock Options (Right to Buy) | Common Stock | $61.22 | May 21, 2023 | 6,111 | Acquired |
| Jan. 17, 2013 | DGX | Stock Options (Right to Buy) | Common Stock | $55.40 | May 4, 2013 | 10,000 | Disposed |
| May 11, 2012 | DGX | Stock Options (Right to Buy) | Common Stock | $57.56 | May 11, 2022 | 6,111 | Acquired |
| May 2, 2012 | DGX | Stock Options (Right to Buy) | Common Stock | $53.27 | May 10, 2012 | 10,000 | Disposed |
| May 17, 2011 | DGX | Stock Options (Right to Buy) | Common Stock | $57.67 | May 17, 2021 | 6,111 | Acquired |
| May 6, 2010 | DGX | Stock Options (Right to Buy) | Common Stock | $55.76 | May 6, 2020 | 8,000 | Acquired |
| May 14, 2009 | DGX | Stock Options (Right to Buy) | Common Stock | $51.55 | May 14, 2019 | 8,000 | Acquired |
| May 16, 2008 | DGX | Stock Options (Right to buy) | Common Stock | $49.94 | May 16, 2015 | 8,000 | Acquired |
| May 8, 2007 | DGX | Stock Options (Right to buy) | Common Stock | $49.04 | May 8, 2014 | 10,000 | Acquired |
| Oct. 1, 2006 | DGX | Phantom Stock | Common Stock | $0.00 | · | 339 | Acquired |
| July 1, 2006 | DGX | Phantom Stock | Common Stock | $0.00 | · | 409 | Acquired |
| May 4, 2006 | DGX | Stock Options (Right to buy) | Common Stock | $55.40 | May 4, 2013 | 10,000 | Acquired |
| April 1, 2006 | DGX | Phantom Stock | Common Stock | $0.00 | · | 507 | Acquired |
| Jan. 1, 2006 | DGX | Phantom Stock | Common Stock | $0.00 | · | 665 | Acquired |
| Oct. 1, 2005 | DGX | Phantom Stock | Common Stock | $0.00 | · | 455 | Acquired |
| July 1, 2005 | DGX | Phantom Stock | Common Stock | $0.00 | · | 343 | Acquired |
| May 10, 2005 | DGX | Stock Options (Right to buy) | Common Stock | $106.54 | May 10, 2012 | 5,000 | Acquired |
| April 1, 2005 | DGX | Phantom Stock | Common Stock | $0.00 | April 1, 2005 | 133 | Acquired |
| Jan. 1, 2005 | DGX | Phantom Stock | Common Stock | $0.00 | Jan. 1, 2005 | 107 | Acquired |
| Dec. 13, 2004 | DGX | Stock Options (Right to buy) | Common Stock | $96.04 | Dec. 13, 2014 | 5,000 | 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 |
|---|---|---|---|---|
| Dec. 15, 2004 | DGX | Common Stock | 0 | Direct |