QUEST DIAGNOSTICS INC (DGX) - Insider Trading & Ownership

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>>
Time period
Insider Trading Transactions for QUEST DIAGNOSTICS INC
Goto 0, 1, 2, ...7, 8, Next
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-03-05
Sale
2026-03-06
4:45 pm
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
5,558$206.21$1,146,11571,624
(Indirect
Direct)
View
2026-03-05
Sale
2026-03-06
4:44 pm
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
3,878$206.21$799,68243,294
(Indirect
Direct)
View
2026-03-05
Sale
2026-03-06
4:44 pm
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
2,855$206.21$588,73015,198
(Direct)
View
2026-03-04
Sale
2026-03-06
4:43 pm
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
2,628$204.86$538,37215,457
(Indirect
Direct)
View
2026-03-03
Sale
2026-03-04
4:39 pm
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
632$207.73$131,28571,624
(Indirect
Direct)
View
2026-03-03
Sale
2026-03-04
4:38 pm
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
526$207.73$109,26643,294
(Indirect
Direct)
View
2026-03-02
Sale
2026-03-04
4:38 pm
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
10,000$212.52$2,125,200117,185
(Direct)
View
2026-03-03
Sale
2026-03-04
4:38 pm
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
410$207.73$85,16915,198
(Direct)
View
2026-02-19
Sale
2026-02-20
5:13 pm
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
958$204.83$196,22724,847
(Direct)
View
2026-02-19
Sale
2026-02-20
5:12 pm
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
1,111$204.83$227,56653,398
(Indirect
Direct)
View
2026-02-19
Sale
2026-02-20
5:11 pm
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
1,433$204.83$293,52186,419
(Indirect
Direct)
View
2026-02-13
Sale
2026-02-17
4:37 pm
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
26,165$206.15$5,393,81572,571
(Indirect
Direct)
View
2026-02-10
Sale
2026-02-12
4:33 pm
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
5,662$204$1,155,04815,381
(Direct)
View
2025-11-25
Sale
2025-11-28
4:30 pm
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
55,093$192.22$10,589,760120,480
(Direct)
View
2025-11-25
Sale
2025-11-28
4:30 pm
QUEST DIAGNOSTICS INCDGXGregg Vicky B
Director
1,250$191.76$239,70017,037
(Direct)
View
2025-11-18
Sale
2025-11-20
4:28 pm
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
7,946$187.35$1,488,68315,014
(Direct)
View
2025-10-22
Sale
2025-10-24
6:10 pm
QUEST DIAGNOSTICS INCDGXPFEIFFER GARY M
Director
1,482$182.4$270,31729,431
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-03-04
Tax Withholding
2026-03-06
4:45 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
7,720$204.8633,268
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:45 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
13,947$204.8633,268
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:45 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
5,806$204.8671,624
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:45 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
11,364$204.8671,624
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
2,326$204.8611,864
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
5,682$204.8611,864
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
3,354$204.8643,294
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
7,232$204.8643,294
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
26,414$204.86142,423
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
51,652$204.86142,423
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
2,827$204.8615,198
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:44 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
5,682$204.8615,198
(Direct)
View
2026-03-04
Tax Withholding
2026-03-06
4:43 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
750$204.8635,196
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:43 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
1,473$204.8635,196
(Direct)
View
2026-03-04
Option Award
2026-03-06
4:43 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
6,200$204.8615,457
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:39 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
648$204.8671,624
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:39 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
869$204.8627,041
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:38 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
288$204.8643,294
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:38 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
2,968$204.86117,185
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:38 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
230$204.8615,198
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:37 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
205$204.8611,885
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:37 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
188$204.868,508
(Direct)
View
2026-03-02
Tax Withholding
2026-03-04
4:37 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
88$204.8635,179
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:13 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
293$206.9924,847
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:13 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
10,961$024,847
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:13 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
244$210.0124,847
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:12 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
1,010$206.9946,213
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:12 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
22,268$046,213
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:12 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
855$210.0146,213
(Direct)
View
2026-01-28
Option Award
2026-02-20
5:12 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
69$183.5146,213
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:12 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
347$206.9953,398
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:12 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
11,302$053,398
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:12 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPREVOZNIK MICHAEL E
SVP & General Counsel
301$210.0153,398
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
3,788$206.99203,378
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:11 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
89,082$0203,378
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
2,396$210.01203,378
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
728$206.9986,419
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:11 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
16,442$086,419
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
433$210.0186,419
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
259$206.9921,931
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:10 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
11,988$021,931
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
252$210.0121,931
(Direct)
View
2026-01-28
Acquisition
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
16$183.5221,931
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
230$206.9916,028
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:10 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
8,918$016,028
(Direct)
View
2026-01-28
Acquisition
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
15$183.5116,028
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
205$210.0116,028
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:09 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
99$206.9936,954
(Direct)
View
2026-02-18
Option Award
2026-02-20
5:09 pm
N/A
2036-02-18
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
2,054$036,954
(Direct)
View
2026-02-18
Tax Withholding
2026-02-20
5:09 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDeppe Michael J
SVP, Corp. Controller & CAO
83$210.0136,954
(Direct)
View
2026-01-28
Acquisition
2026-02-20
5:08 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXLassiter Wright III
Director
7$183.519,057
(Direct)
View
2026-01-28
Acquisition
2026-02-20
5:07 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXCARTER ROBERT B
Director
6$183.512,704
(Direct)
View
2026-01-28
Acquisition
2026-02-20
5:06 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXGregg Vicky B
Director
67$183.5117,104
(Direct)
View
2026-02-13
Exercise
2026-02-17
4:37 pm
N/A
2030-02-18
QUEST DIAGNOSTICS INCDGXDoherty Catherine T.
EVP, Regional Businesses
26,165$112.1772,571
(Direct)
View
2026-01-28
Option Award
2026-02-12
4:33 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
48$183.5115,381
(Direct)
View
2026-02-10
Exercise
2026-02-12
4:33 pm
N/A
2031-02-17
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
5,662$121.8115,381
(Direct)
View
2025-11-25
Exercise
2025-11-28
4:30 pm
N/A
2027-02-21
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
55,093$95.8120,480
(Direct)
View
2025-11-18
Exercise
2025-11-20
4:28 pm
N/A
2033-02-23
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
100$143.3315,014
(Direct)
View
2025-11-18
Exercise
2025-11-20
4:28 pm
N/A
2032-03-21
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
7,846$144.4715,014
(Direct)
View
2025-11-05
Tax Withholding
2025-11-07
4:29 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDavis J. E.
CEO and President
7,143$175.57120,480
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXSAMAD SAM
Executive Vice President & CFO
68$189.0825,741
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPlewman Patrick
SVP for Diagnostic Services
46$189.0815,333
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:11 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXKUPPUSAMY KARTHIK
SVP, Clinical Solutions
15$189.0810,372
(Direct)
View
2025-10-23
I
2025-10-24
6:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXPFEIFFER GARY M
Director
4,413$190.5829,431
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:10 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXGregg Vicky B
Director
70$189.0818,287
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:09 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXDELANEY MARK E
SVP & Chief Commercial Officer
15$189.087,530
(Direct)
View
2025-10-21
Option Award
2025-10-24
6:09 pm
N/A
N/A
QUEST DIAGNOSTICS INCDGXCARTER ROBERT B
Director
6$189.092,698
(Direct)
View
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