DGX insider transactions

CEO and President Davis J. E. sold $1,941,400 worth of shares (10,000 units at $194.14) as part of a pre-agreed trading plan, decreasing direct ownership by 7% to 132,423 units (SEC Form 4)

Director Carter Robert B was granted 1,142 shares, increasing direct ownership by 42% to 3,853 units (SEC Form 4)

Director Gregg Vicky B was granted 1,142 shares, increasing direct ownership by 7% to 18,314 units (SEC Form 4)

Director Main Timothy L was granted 1,142 shares, increasing direct ownership by 4% to 27,439 units (SEC Form 4)

Director Diaz Luis was granted 1,142 shares, increasing direct ownership by 28% to 5,196 units (SEC Form 4)

Director Wentworth Timothy C was granted 1,142 shares, increasing direct ownership by 529% to 1,358 units (SEC Form 4)

Director Doi Tracey was granted 1,142 shares, increasing direct ownership by 17% to 7,748 units (SEC Form 4)

Director Ring Timothy M was granted 1,142 shares, increasing direct ownership by 4% to 31,140 units (SEC Form 4)

Director Lassiter Wright Iii was granted 1,142 shares, increasing direct ownership by 12% to 10,317 units (SEC Form 4)

Director Morrison Denise M was granted 1,142 shares, increasing direct ownership by 11% to 11,929 units (SEC Form 4)

Director Pfeiffer Gary M was granted 1,142 shares, increasing direct ownership by 4% to 31,005 units (SEC Form 4)

Executive Vice President & CFO Samad Sam was granted 108 shares, increasing direct ownership by 0.32% to 33,376 units (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick increased direct ownership by 0.32% to 15,247 units (SEC Form 4)

Director Gregg Vicky B was granted 68 shares, increasing direct ownership by 0.40% to 17,172 units (SEC Form 4)

Director Carter Robert B increased direct ownership by 0.26% to 2,711 units (SEC Form 4)

Director Lassiter Wright Iii increased direct ownership by 0.07% to 9,063 units (SEC Form 4)

SVP, Clinical Solutions Kuppusamy Karthik increased direct ownership by 0.29% to 13,490 units (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E increased direct ownership by 0.31% to 11,901 units (SEC Form 4)

SEC Form 4 filed by Wentworth Timothy C

SEC Form 3 filed by Quest Diagnostics Incorporated

SEC Form 4 filed by Quest Diagnostics Incorporated

Executive Vice President & CFO Samad Sam was granted 13,947 shares and covered exercise/tax liability with 7,720 shares, increasing direct ownership by 23% to 33,268 units (SEC Form 4)

EVP, Regional Businesses Doherty Catherine T. was granted 11,364 shares, covered exercise/tax liability with 5,806 shares and sold $1,146,115 worth of shares (5,558 units at $206.21) (SEC Form 4)

SVP & General Counsel Prevoznik Michael E was granted 7,232 shares, covered exercise/tax liability with 3,354 shares and sold $799,682 worth of shares (3,878 units at $206.21) (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E was granted 5,682 shares and covered exercise/tax liability with 2,326 shares, increasing direct ownership by 39% to 11,864 units (SEC Form 4)

CEO and President Davis J. E. was granted 51,652 shares and covered exercise/tax liability with 26,414 shares, increasing direct ownership by 22% to 142,423 units (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick sold $588,730 worth of shares (2,855 units at $206.21), was granted 5,682 shares and covered exercise/tax liability with 2,827 shares (SEC Form 4)

SVP, Corp. Controller & CAO Deppe Michael J was granted 1,473 shares and covered exercise/tax liability with 750 shares, increasing direct ownership by 2% to 35,196 units (SEC Form 4)

SVP, Clinical Solutions Kuppusamy Karthik was granted 6,200 shares and sold $538,372 worth of shares (2,628 units at $204.86), increasing direct ownership by 36% to 13,441 units (SEC Form 4)

EVP, Regional Businesses Doherty Catherine T. covered exercise/tax liability with 648 shares and sold $131,285 worth of shares (632 units at $207.73), decreasing direct ownership by 2% to 67,122 units (SEC Form 4)

Executive Vice President & CFO Samad Sam covered exercise/tax liability with 869 shares, decreasing direct ownership by 3% to 27,041 units (SEC Form 4)

SVP & General Counsel Prevoznik Michael E covered exercise/tax liability with 288 shares and sold $109,266 worth of shares (526 units at $207.73), decreasing direct ownership by 2% to 37,557 units (SEC Form 4)

CEO and President Davis J. E. covered exercise/tax liability with 2,968 shares and sold $2,125,200 worth of shares (10,000 units at $212.52), decreasing direct ownership by 10% to 117,185 units (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick covered exercise/tax liability with 230 shares and sold $85,169 worth of shares (410 units at $207.73), decreasing direct ownership by 4% to 15,198 units (SEC Form 4)

SVP, Clinical Solutions Kuppusamy Karthik covered exercise/tax liability with 205 shares, decreasing direct ownership by 2% to 9,869 units (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E covered exercise/tax liability with 188 shares, decreasing direct ownership by 2% to 8,508 units (SEC Form 4)

SVP, Corp. Controller & CAO Deppe Michael J covered exercise/tax liability with 88 shares, decreasing direct ownership by 0.25% to 34,473 units (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick covered exercise/tax liability with 537 shares, sold $196,227 worth of shares (958 units at $204.83) and was granted 1,952 shares, increasing direct ownership by 3% to 15,838 units (SEC Form 4)

Executive Vice President & CFO Samad Sam was granted 4,034 shares and covered exercise/tax liability with 1,865 shares, increasing direct ownership by 8% to 27,910 units (SEC Form 4)

SVP & General Counsel Prevoznik Michael E sold $227,566 worth of shares (1,111 units at $204.83), was granted 2,013 shares and covered exercise/tax liability with 648 shares, increasing direct ownership by 0.67% to 38,371 units (SEC Form 4)

CEO and President Davis J. E. was granted 15,857 shares and covered exercise/tax liability with 6,184 shares, increasing direct ownership by 8% to 130,153 units (SEC Form 4)

EVP, Regional Businesses Doherty Catherine T. was granted 2,928 shares, covered exercise/tax liability with 1,161 shares and sold $293,521 worth of shares (1,433 units at $204.83), increasing direct ownership by 0.49% to 68,402 units (SEC Form 4)

SVP, Clinical Solutions Kuppusamy Karthik covered exercise/tax liability with 511 shares and was granted 2,135 shares, increasing direct ownership by 19% to 10,065 units (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E covered exercise/tax liability with 435 shares and was granted 1,586 shares, increasing direct ownership by 15% to 8,696 units (SEC Form 4)

SVP, Corp. Controller & CAO Deppe Michael J was granted 366 shares and covered exercise/tax liability with 182 shares, increasing direct ownership by 0.54% to 34,560 units (SEC Form 4)

Director Lassiter Wright Iii increased direct ownership by 0.08% to 9,057 units (SEC Form 4)

Director Carter Robert B increased direct ownership by 0.22% to 2,704 units (SEC Form 4)

Director Gregg Vicky B increased direct ownership by 0.39% to 17,104 units (SEC Form 4)

EVP, Regional Businesses Doherty Catherine T. exercised 26,165 shares at a strike of $112.17 and sold $5,393,815 worth of shares (26,165 units at $206.15) (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick sold $1,155,048 worth of shares (5,662 units at $204.00), was granted 48 shares and exercised 5,662 shares at a strike of $121.81, increasing direct ownership by 0.31% to 15,381 units (SEC Form 4)

CEO and President Davis J. E. exercised 55,093 shares at a strike of $95.80 and sold $10,589,760 worth of shares (55,093 units at $192.22) (SEC Form 4)

Director Gregg Vicky B sold $239,700 worth of shares (1,250 units at $191.76), decreasing direct ownership by 7% to 17,037 units (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E exercised 7,946 shares at a strike of $144.46 and sold $1,488,683 worth of shares (7,946 units at $187.35) (SEC Form 4)

CEO and President Davis J. E. covered exercise/tax liability with 7,143 shares, decreasing direct ownership by 6% to 120,480 units (SEC Form 4)

Executive Vice President & CFO Samad Sam was granted 68 shares, increasing direct ownership by 0.26% to 25,741 units (SEC Form 4)

SVP for Diagnostic Services Plewman Patrick was granted 46 shares, increasing direct ownership by 0.30% to 15,333 units (SEC Form 4)

SVP, Clinical Solutions Kuppusamy Karthik was granted 15 shares, increasing direct ownership by 0.18% to 8,379 units (SEC Form 4)

Director Pfeiffer Gary M sold $270,317 worth of shares (1,482 units at $182.40), decreasing direct ownership by 5% to 29,431 units (SEC Form 4)

Director Gregg Vicky B was granted 70 shares, increasing direct ownership by 0.38% to 18,287 units (SEC Form 4)

SVP & Chief Commercial Officer Delaney Mark E was granted 15 shares, increasing direct ownership by 0.20% to 7,530 units (SEC Form 4)