Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-05-12 Sale | 2025-05-14 5:12 pm | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 1,748 | $175.51 | $306,800 | 7,498 (Direct) | View |
2025-04-02 Sale | 2025-04-04 8:29 pm | QUEST DIAGNOSTICS INC | DGX | Davis J. E. CEO and President | 39,191 | $168.46 | $6,602,074 | 127,623 (Direct) | View |
2025-04-02 Sale | 2025-04-04 8:26 pm | QUEST DIAGNOSTICS INC | DGX | KUPPUSAMY KARTHIK SVP, Clinical Solutions | 2,555 | $170 | $434,350 | 12,546 (Indirect Direct) | View |
2025-03-17 Sale | 2025-03-19 9:00 pm | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 4,643 | $170 | $789,310 | 43,758 (Indirect Direct) | View |
2025-03-05 Sale | 2025-03-07 7:23 pm | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 5,370 | $174.13 | $935,078 | 72,495 (Indirect Direct) | View |
2025-03-04 Sale | 2025-03-05 4:38 pm | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 716 | $175.79 | $125,866 | 77,865 (Indirect Direct) | View |
2025-03-04 Sale | 2025-03-05 4:35 pm | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 592 | $175.79 | $104,068 | 48,400 (Indirect Direct) | View |
2025-02-27 Sale | 2025-02-28 4:38 pm | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 528 | $172.61 | $91,138 | 44,672 (Indirect Direct) | View |
2025-02-27 Sale | 2025-02-28 4:35 pm | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 824 | $172.61 | $142,231 | 73,606 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-05-15 Option Award | 2025-05-19 4:24 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | CARTER ROBERT B Director | 1,203 | $0 | 2,685 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:24 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Diaz Luis Director | 1,203 | $0 | 4,054 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:23 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Gregg Vicky B Director | 1,203 | $0 | 18,138 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:23 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Doi Tracey Director | 1,203 | $0 | 6,490 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:22 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | MAIN TIMOTHY L Director | 1,203 | $0 | 26,297 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:22 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | MORRISON DENISE M Director | 1,203 | $0 | 10,742 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:21 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Lassiter Wright III Director | 1,203 | $0 | 9,037 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:21 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | RING TIMOTHY M Director | 1,203 | $0 | 29,507 (Direct) | View |
2025-05-15 Option Award | 2025-05-19 4:20 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | PFEIFFER GARY M Director | 1,203 | $0 | 30,669 (Direct) | View |
2025-04-21 Acquisition | 2025-05-02 4:33 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | SAMAD SAM Executive Vice President & CFO | 74 | $164.42 | 26,451 (Direct) | View |
2025-04-21 Acquisition | 2025-05-02 4:32 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | KUPPUSAMY KARTHIK SVP, Clinical Solutions | 27 | $164.42 | 12,590 (Direct) | View |
2025-04-21 Acquisition | 2025-05-02 4:32 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Plewman Patrick SVP for Diagnostic Services | 81 | $164.42 | 21,087 (Direct) | View |
2025-04-21 Option Award | 2025-05-02 4:31 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Gregg Vicky B Director | 68 | $164.42 | 16,935 (Direct) | View |
2025-04-21 Acquisition | 2025-05-02 4:30 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 25 | $164.42 | 9,246 (Direct) | View |
2025-04-01 Option Award | 2025-04-03 4:40 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Lassiter Wright III Director | 169 | $0 | 360 (Direct) | View |
2025-04-01 Option Award | 2025-04-03 4:39 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | RING TIMOTHY M Director | 251 | $0 | 16,410 (Direct) | View |
2025-03-26 Tax Withholding | 2025-03-28 4:47 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Plewman Patrick SVP for Diagnostic Services | 162 | $166.71 | 20,988 (Direct) | View |
2025-03-26 Tax Withholding | 2025-03-28 4:45 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 256 | $166.71 | 9,221 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DEPPE MICHAEL J SVP, Corp. Controller & CAO | 1,711 | $173.74 | 35,059 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DEPPE MICHAEL J SVP, Corp. Controller & CAO | 2,559 | $173.74 | 35,059 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 10,380 | $173.74 | 77,865 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 5,404 | $173.74 | 77,865 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:37 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Davis J. E. CEO and President | 61,917 | $173.74 | 166,814 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:37 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Davis J. E. CEO and President | 33,318 | $173.74 | 166,814 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:36 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | KUPPUSAMY KARTHIK SVP, Clinical Solutions | 4,434 | $173.74 | 15,071 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:36 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | KUPPUSAMY KARTHIK SVP, Clinical Solutions | 2,871 | $173.74 | 15,071 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:36 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Plewman Patrick SVP for Diagnostic Services | 5,674 | $173.74 | 21,150 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:36 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Plewman Patrick SVP for Diagnostic Services | 2,386 | $173.74 | 21,150 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:35 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 8,549 | $173.74 | 48,400 (Direct) | View |
2025-03-03 Tax Withholding | 2025-03-05 4:35 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 4,228 | $173.74 | 48,400 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:34 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 5,317 | $173.74 | 9,477 (Direct) | View |
2025-03-04 Tax Withholding | 2025-03-05 4:34 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 1,823 | $173.74 | 9,477 (Direct) | View |
2025-03-04 Option Award | 2025-03-05 4:33 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | SAMAD SAM Executive Vice President & CFO | 13,884 | $173.74 | 26,377 (Direct) | View |
2025-03-04 Tax Withholding | 2025-03-05 4:33 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | SAMAD SAM Executive Vice President & CFO | 7,684 | $173.74 | 26,377 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:40 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | SAMAD SAM Executive Vice President & CFO | 869 | $171.75 | 20,177 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Davis J. E. CEO and President | 2,966 | $171.75 | 138,215 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:38 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | PREVOZNIK MICHAEL E SVP & General Counsel | 286 | $171.75 | 44,672 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:37 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Plewman Patrick SVP for Diagnostic Services | 229 | $171.75 | 17,853 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:36 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | KUPPUSAMY KARTHIK SVP, Clinical Solutions | 233 | $171.75 | 13,495 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:35 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | Doherty Catherine T. EVP, Regional Businesses | 455 | $171.75 | 73,606 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:34 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DEPPE MICHAEL J SVP, Corp. Controller & CAO | 88 | $171.75 | 35,906 (Direct) | View |
2025-02-26 Tax Withholding | 2025-02-28 4:33 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | DELANEY MARK E SVP & Chief Commercial Officer | 214 | $171.75 | 5,983 (Direct) | View |
2025-02-19 Tax Withholding | 2025-02-21 4:45 pm | N/A N/A | QUEST DIAGNOSTICS INC | DGX | SAMAD SAM Executive Vice President & CFO | 1,031 | $169.71 | 21,046 (Direct) | View |