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QUEST DIAGNOSTICS INC (DGX) Insider Transactions

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DGX · QUEST DIAGNOSTICS INC

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OR within codes/roles; AND between categories. Roles apply to buyers and sellers. Owner predicates match the same owner. Missing values fail numeric/date filters. Value is quantity × reported price for non-derivative rows only; derivative values are unknown. Amendments stay separate; joint owners do not duplicate rows.

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Stale snapshot · Covered: filings 2026-05-14 to 2026-11-13 · 39 filings · fetched 2026-11-13T17:19:48Z

Recent reported activity

0purchase rows on this page
6sale rows on this page
63matching filing rows

Purchases and sales count original non-derivative P and S rows. Awards, gifts, exercises, derivatives and amendments are shown separately and are not described as market purchases.

Transaction / filedReporting owner(s)Code / securityQuantityPrice as filedOwnershipSource
2026-10-21Filed 2026-10-23KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

References: F1, F2

L Other reported codeCommon Stock · Non-derivative33A235.944DirectForm 4 ↗0001022079-26-000113
2026-10-21Filed 2026-10-23Gregg Vicky BDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

A Award / grantCommon Stock · Non-derivative63A235.939DirectForm 4 ↗0001022079-26-000114
2026-10-21Filed 2026-10-23SAMAD SAMOfficer · Executive Vice President & CFO
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

A Award / grantCommon Stock · Non-derivative90A235.939DirectForm 4 ↗0001022079-26-000115
2026-10-21Filed 2026-10-23CARTER ROBERT BDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative10A235.93DirectForm 4 ↗0001022079-26-000116
2026-10-01Filed 2026-10-02WENTWORTH TIMOTHY CDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Phantom stock units resulting from elective deferrals of a director's cash compensation pursuant to the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors and become payable in cash upon the reporting person's termination of service as a director.

References: F1

A Award / grantPhantom Stock Units · Derivative135A0DirectForm 4 ↗0001022079-26-000090
2026-09-01Filed 2026-09-03Davis J. E.Director · Officer · CEO and President
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

References: F1

S Sale (market/private)Common Stock · Non-derivative10,000D242.72DirectForm 4 ↗0001599837-26-000007
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F7

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative22,677D112.17DirectForm 4 ↗0001022079-26-000089
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F5

G GiftCommon Stock · Non-derivative1,000D0DirectForm 4 ↗0001022079-26-000089
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F4

S Sale (market/private)Common Stock · Non-derivative430D244.5148DirectForm 4 ↗0001022079-26-000089
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F3

S Sale (market/private)Common Stock · Non-derivative6,237D243.6275DirectForm 4 ↗0001022079-26-000089
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1, F2

S Sale (market/private)Common Stock · Non-derivative16,010D242.8755DirectForm 4 ↗0001022079-26-000089
2026-08-28Filed 2026-08-31PREVOZNIK MICHAEL EOfficer · SVP & General Counsel
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 This transaction was executed in multiple trades at prices ranging from $242.270 to $243.269. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3 This transaction was executed in multiple trades at prices ranging from $243.270 to $244.225. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F4 This transaction was executed in multiple trades at prices ranging from $244.280 to $245.247. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F5 On August 28, 2026, the reporting person made a charitable gift of 1,000 shares, a transaction eligible for deferred reporting on Form 5. The reporting person has chosen to report such transaction early on this Form 4.

F6 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) and/or Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under each Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F7 The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

References: F1

M Exercise / conversionCommon Stock · Non-derivative22,677A112.17DirectForm 4 ↗0001022079-26-000089
2026-07-28Filed 2026-07-29DELANEY MARK EOfficer · SVP & Chief Commercial Officer
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

References: F1

S Sale (market/private)Common Stock · Non-derivative1,600D235.18DirectForm 4 ↗0001022079-26-000087
2026-07-22Filed 2026-07-27KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

References: F1, F2

L Other reported codeCommon Stock · Non-derivative37A206.807DirectForm 4 ↗0001022079-26-000086
2026-07-22Filed 2026-07-27CARTER ROBERT BDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative11A206.804DirectForm 4 ↗0001022079-26-000085
2026-07-22Filed 2026-07-27Gregg Vicky BDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

A Award / grantCommon Stock · Non-derivative72A206.808DirectForm 4 ↗0001022079-26-000084
2026-07-22Filed 2026-07-27Plewman PatrickOfficer · SVP for Diagnostic Services
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative46A206.807DirectForm 4 ↗0001022079-26-000083
2026-07-22Filed 2026-07-27MAIN TIMOTHY LDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative21A206.81DirectForm 4 ↗0001022079-26-000082
2026-07-22Filed 2026-07-27SAMAD SAMOfficer · Executive Vice President & CFO
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Represents an award of restricted share units.

F2 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1, F2

A Award / grantCommon Stock · Non-derivative102A206.807DirectForm 4 ↗0001022079-26-000081
2026-07-22Filed 2026-07-27Lassiter Wright IIIDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1

L Other reported codeCommon Stock · Non-derivative6A206.813DirectForm 4 ↗0001022079-26-000080
2026-07-22Filed 2026-07-27DELANEY MARK EOfficer · SVP & Chief Commercial Officer
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Represents an award of restricted share units.

F2 Reflects shares that were acquired pursuant to a dividend reinvestment plan administered by the reporting person's broker and eligible for deferred reporting on Form 5 under Rule 16a-6. The reporting person has chosen to report such transaction early on this Form 4.

References: F1, F2

L Other reported codeCommon Stock · Non-derivative34A206.807DirectForm 4 ↗0001022079-26-000079
2026-07-01Filed 2026-07-02WENTWORTH TIMOTHY CDirector
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 Phantom stock units resulting from elective deferrals of a director's cash compensation pursuant to the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors and become payable in cash upon the reporting person's termination of service as a director.

References: F1

A Award / grantPhantom Stock Units · Derivative144A0DirectForm 4 ↗0001022079-26-000060
2026-06-04Filed 2026-06-08KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F4 The options vested in three annual installments beginning with the first on February 24, 2023, the second on February 24, 2024 and the final on February 24, 2025.

F5 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F1, F5

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative4,827D121.805DirectForm 4 ↗0001022079-26-000053
2026-06-04Filed 2026-06-08KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F4 The options vested in three annual installments beginning with the first on February 24, 2023, the second on February 24, 2024 and the final on February 24, 2025.

F5 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F1, F4

M Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative3,320D127.725DirectForm 4 ↗0001022079-26-000053
2026-06-04Filed 2026-06-08KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions
Filing context

Reported filing row; may be amended. Do not sum filings blindly.

F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date.

F4 The options vested in three annual installments beginning with the first on February 24, 2023, the second on February 24, 2024 and the final on February 24, 2025.

F5 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024.

References: F1, F2

S Sale (market/private)Common Stock · Non-derivative8,147D200DirectForm 4 ↗0001022079-26-000053

Imported instruments only. Joint owners do not multiply transactions. Amendments are separate filing rows, not additional trades. No aggregate trade totals are implied.