Davis J. E., CEO and President of Quest Diagnostics Inc. ($DGX), sold shares on the open market 19 times over the last 365 days, totaling $19.3 million. His most recent sale occurred on March 2, 2026. These open market sales rank 694th among 11,678 individual insiders in our database, where the average is $8.6 million across about 6.4 transactions per insider. Davis J. E. made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 26414 | $204.86 | 142,423.0000 | 111,000,000 | 15.64% | 0.02% |
| March 4, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 51652 | $204.86 | 168,837.0000 | 111,000,000 | 44.08% | 0.05% |
| March 2, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 10000 | $212.52 | 117,185.0000 | 111,000,000 | 7.86% | 0.01% |
| March 2, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 2968 | $204.86 | 127,185.0000 | 111,000,000 | 2.28% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Non-Qualifed Stock Option (right to buy) | 73225 | $0.00 | 73,225.0000 | 111,000,000 | 9999.99% | 0.07% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 3788 | $206.99 | 130,153.0000 | 111,000,000 | 2.83% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 2396 | $210.01 | 133,941.0000 | 111,000,000 | 1.76% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 15857 | $0.00 | 136,337.0000 | 111,000,000 | 13.16% | 0.01% |
| Nov. 25, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | M | Non-Qualifed Stock Option (right to buy) | 55093 | $95.80 | 0.0000 | 111,000,000 | 100.00% | 0.05% |
| Nov. 25, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 4747 | $192.97 | 120,480.0000 | 111,000,000 | 3.79% | 0.00% |
| Nov. 25, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 41004 | $192.27 | 125,227.0000 | 111,000,000 | 24.67% | 0.04% |
| Nov. 25, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 9342 | $191.59 | 166,231.0000 | 111,000,000 | 5.32% | 0.01% |
| Nov. 25, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | M | Common Stock | 55093 | $95.80 | 175,573.0000 | 111,000,000 | 45.73% | 0.05% |
| Nov. 5, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 7143 | $175.57 | 120,480.0000 | 111,000,000 | 5.60% | 0.01% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 453 | $169.63 | 127,623.0000 | 111,000,000 | 0.35% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 584 | $168.70 | 130,738.0000 | 111,000,000 | 0.44% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 1411 | $168.76 | 163,037.0000 | 111,000,000 | 0.86% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 704 | $169.63 | 162,333.0000 | 111,000,000 | 0.43% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 7249 | $167.86 | 155,084.0000 | 111,000,000 | 4.47% | 0.01% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 4905 | $168.72 | 150,179.0000 | 111,000,000 | 3.16% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 2764 | $169.56 | 147,415.0000 | 111,000,000 | 1.84% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 6950 | $167.86 | 140,465.0000 | 111,000,000 | 4.71% | 0.01% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 5900 | $168.66 | 134,565.0000 | 111,000,000 | 4.20% | 0.01% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 2493 | $169.57 | 132,072.0000 | 111,000,000 | 1.85% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 750 | $167.86 | 131,322.0000 | 111,000,000 | 0.57% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 2366 | $168.03 | 164,448.0000 | 111,000,000 | 1.42% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 267 | $169.60 | 130,471.0000 | 111,000,000 | 0.20% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 1493 | $167.88 | 128,978.0000 | 111,000,000 | 1.14% | 0.00% |
| April 2, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | S | Common Stock | 902 | $168.79 | 128,076.0000 | 111,000,000 | 0.70% | 0.00% |
| March 3, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 1662 | $173.74 | 136,553.0000 | 111,000,000 | 1.20% | 0.00% |
| March 4, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 61917 | $173.74 | 198,470.0000 | 111,000,000 | 45.34% | 0.06% |
| March 4, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 31656 | $173.74 | 166,814.0000 | 111,000,000 | 15.95% | 0.03% |
| Feb. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 2966 | $171.75 | 138,215.0000 | 111,000,000 | 2.10% | 0.00% |
| Feb. 19, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 2936 | $169.71 | 141,181.0000 | 111,000,000 | 2.04% | 0.00% |
| Feb. 12, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Non-Qualifed Stock Option (right to buy) | 69633 | $0.00 | 69,633.0000 | 111,000,000 | 9999.99% | 0.06% |
| Feb. 12, 2025 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 18149 | $0.00 | 144,117.0000 | 111,000,000 | 14.41% | 0.02% |
| Feb. 28, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 1804 | $126.36 | 125,968.0000 | 111,000,000 | 1.41% | 0.00% |
| Feb. 28, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 3216 | $126.36 | 127,772.0000 | 111,000,000 | 2.46% | 0.00% |
| Feb. 23, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 13390 | $125.02 | 137,513.0000 | 111,000,000 | 10.79% | 0.01% |
| Feb. 23, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 6525 | $125.02 | 130,988.0000 | 111,000,000 | 4.75% | 0.01% |
| Feb. 21, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | F | Common Stock | 762 | $125.02 | 124,123.0000 | 111,000,000 | 0.61% | 0.00% |
| Feb. 14, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Common Stock | 22251 | $0.00 | 124,885.0000 | 111,000,000 | 21.68% | 0.02% |
| Feb. 14, 2024 | QUEST DIAGNOSTICS INC | $DGX | Davis J. E. | CEO and President | A | Non-Qualifed Stock Option (right to buy) | 92779 | $0.00 | 92,779.0000 | 111,000,000 | 9999.99% | 0.08% |