Michael E. Prevoznik, SVP and General Counsel at Quest Diagnostics Inc. ($DGX), sold shares on the open market eight times over the last year, totaling $7.3 million. His most recent sale occurred on March 5, 2026. These insider sales rank 1,449th among 11,678 individuals in our database, where the average is $8.6 million across about 6.4 transactions. Prevoznik 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 | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 3354 | $204.86 | 47,172.0000 | 111,000,000 | 6.64% | 0.00% |
| March 5, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 3878 | $206.21 | 43,294.0000 | 111,000,000 | 8.22% | 0.00% |
| March 4, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 7232 | $204.86 | 50,526.0000 | 111,000,000 | 16.70% | 0.01% |
| March 3, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 526 | $207.73 | 43,294.0000 | 111,000,000 | 1.20% | 0.00% |
| March 2, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 288 | $204.86 | 43,820.0000 | 111,000,000 | 0.65% | 0.00% |
| Feb. 19, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 1111 | $204.83 | 44,109.0000 | 111,000,000 | 2.46% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Non-Qualifed Stock Option (right to buy) | 9289 | $0.00 | 9,289.0000 | 111,000,000 | 9999.99% | 0.01% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 347 | $206.99 | 45,220.0000 | 111,000,000 | 0.76% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 301 | $210.01 | 45,567.0000 | 111,000,000 | 0.66% | 0.00% |
| Feb. 18, 2026 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 2013 | $0.00 | 45,868.0000 | 111,000,000 | 4.59% | 0.00% |
| Sept. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 144 | $188.66 | 43,809.0000 | 112,000,000 | 0.33% | 0.00% |
| Sept. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Common Stock | 227 | $103.57 | 44,036.0000 | 112,000,000 | 0.52% | 0.00% |
| Sept. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Non-Qualifed Stock Option (right to buy) | 227 | $103.57 | 0.0000 | 112,000,000 | 100.00% | 0.00% |
| Sept. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 83 | $187.22 | 43,953.0000 | 112,000,000 | 0.19% | 0.00% |
| Sept. 24, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Non-Qualifed Stock Option (right to buy) | 175 | $103.57 | 227.0000 | 112,000,000 | 43.53% | 0.00% |
| Sept. 23, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Common Stock | 28288 | $103.57 | 72,096.0000 | 112,000,000 | 64.57% | 0.03% |
| Sept. 24, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Common Stock | 175 | $103.57 | 43,983.0000 | 112,000,000 | 0.40% | 0.00% |
| Sept. 23, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 28288 | $187.12 | 43,808.0000 | 112,000,000 | 39.24% | 0.03% |
| Sept. 23, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Non-Qualifed Stock Option (right to buy) | 28288 | $103.57 | 402.0000 | 112,000,000 | 98.60% | 0.03% |
| Sept. 24, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 175 | $187.02 | 43,808.0000 | 112,000,000 | 0.40% | 0.00% |
| March 17, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 4643 | $170.00 | 43,758.0000 | 111,000,000 | 9.59% | 0.00% |
| March 3, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 322 | $173.74 | 44,349.0000 | 111,000,000 | 0.72% | 0.00% |
| March 4, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 8549 | $173.74 | 52,306.0000 | 111,000,000 | 19.54% | 0.01% |
| March 4, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 592 | $175.79 | 43,757.0000 | 111,000,000 | 1.33% | 0.00% |
| March 4, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 3906 | $173.74 | 48,400.0000 | 111,000,000 | 7.47% | 0.00% |
| Feb. 27, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 528 | $172.61 | 44,672.0000 | 111,000,000 | 1.17% | 0.00% |
| Feb. 26, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 286 | $171.75 | 45,200.0000 | 111,000,000 | 0.63% | 0.00% |
| Feb. 19, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 374 | $169.71 | 46,090.0000 | 111,000,000 | 0.80% | 0.00% |
| Feb. 20, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 604 | $170.99 | 45,486.0000 | 111,000,000 | 1.31% | 0.00% |
| Feb. 12, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Non-Qualifed Stock Option (right to buy) | 8991 | $0.00 | 8,991.0000 | 111,000,000 | 9999.99% | 0.01% |
| Feb. 12, 2025 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 2345 | $0.00 | 46,467.0000 | 111,000,000 | 5.31% | 0.00% |
| Nov. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 32137 | $163.15 | 44,096.0000 | 112,000,000 | 42.16% | 0.03% |
| Nov. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Common Stock | 35146 | $86.63 | 79,242.0000 | 112,000,000 | 79.70% | 0.03% |
| Nov. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 3009 | $162.26 | 76,233.0000 | 112,000,000 | 3.80% | 0.00% |
| Nov. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Non-Qualifed Stock Option (right to buy) | 35146 | $86.63 | 0.0000 | 112,000,000 | 100.00% | 0.03% |
| Aug. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Non-Qualifed Stock Option (right to buy) | 32551 | $95.80 | 0.0000 | 111,000,000 | 100.00% | 0.03% |
| Aug. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 32551 | $154.97 | 44,070.0000 | 111,000,000 | 42.48% | 0.03% |
| Aug. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | M | Common Stock | 32551 | $95.80 | 76,621.0000 | 111,000,000 | 73.86% | 0.03% |
| Feb. 29, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 5611 | $125.88 | 44,019.0000 | 111,000,000 | 11.31% | 0.01% |
| Feb. 28, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 405 | $126.36 | 50,086.0000 | 111,000,000 | 0.80% | 0.00% |
| Feb. 28, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 456 | $126.36 | 49,630.0000 | 111,000,000 | 0.91% | 0.00% |
| Feb. 23, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 7569 | $125.02 | 53,316.0000 | 111,000,000 | 16.55% | 0.01% |
| Feb. 23, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 2825 | $125.02 | 50,491.0000 | 111,000,000 | 5.30% | 0.00% |
| Feb. 22, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | S | Common Stock | 661 | $126.14 | 45,747.0000 | 111,000,000 | 1.42% | 0.00% |
| Feb. 21, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | F | Common Stock | 407 | $125.02 | 46,408.0000 | 111,000,000 | 0.87% | 0.00% |
| Feb. 14, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Common Stock | 2935 | $0.00 | 46,814.0000 | 111,000,000 | 6.69% | 0.00% |
| Feb. 14, 2024 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | A | Non-Qualifed Stock Option (right to buy) | 12231 | $0.00 | 12,231.0000 | 111,000,000 | 9999.99% | 0.01% |
| May 10, 2023 | QUEST DIAGNOSTICS INC | $DGX | PREVOZNIK MICHAEL E | SVP & General Counsel | G | Common Stock | 188 | $0.00 | 43,845.0000 | 111,000,000 | 0.43% | 0.00% |