DGX

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · derivative · entry 11

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,120 shares

Expires 2026-02-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F10 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 26, 2017, the second on February 25, 2018 and the final on February 25, 2019.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · derivative · entry 10

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,635 shares

Expires 2025-02-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F9 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 23, 2016, the second on February 23, 2017 and the final on February 23, 2018.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 8

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,941

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

F6 · price: This transaction was executed in multiple trades at prices ranging from $154.460 - $155.225. 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.

F7 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 7

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,130

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

F3 · price: This transaction was executed in multiple trades at prices ranging from $153.460 - $154.450. 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.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 6

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 42,461

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

F5 · price: This transaction was executed in multiple trades at prices ranging from $152.400 to $153.170. 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.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 5

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,061

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

F4 · price: This transaction was executed in multiple trades at prices ranging from $154.460 to $155.180. 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.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 4

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,196

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

F3 · price: This transaction was executed in multiple trades at prices ranging from $153.460 - $154.450. 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.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 3

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,596

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

F2 · price: This transaction was executed in multiple trades at prices ranging from $152.400 to $153.200. 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.

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 2

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,696

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

SEC source: 0001022079-24-000204 · wk-form4_1731018097.xml · nonDerivative · entry 1

DEPPE MICHAEL J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,576

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

SEC source: 0001022079-24-000202 · wk-form4_1730319974.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,734

F1 · price: This transaction was executed in multiple trades at prices ranging from $156.830 to $156.9156. 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.

SEC source: 0001022079-24-000200 · wk-form4_1729888063.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,045

F1 · shares: 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.

SEC source: 0001022079-24-000199 · wk-form4_1729888025.xml · nonDerivative · entry 1

DELANEY MARK E · CIK 0001955265 · SVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,023

F1 · security: Represents an award of restricted share units.

F2 · shares: 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.

SEC source: 0001022079-24-000198 · wk-form4_1729887986.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,504

F1 · security: Represents an award of restricted share units.

F2 · shares: 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.

SEC source: 0001022079-24-000197 · wk-form4_1729887947.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,509

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the reporting person's last filing on Form 4.

SEC source: 0001022079-24-000196 · wk-form4_1729887909.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,258

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

SEC source: 0001022079-24-000180 · wk-form4_1727987304.xml · derivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,720.894

Underlying: Common Stock · 275 shares

Expires not disclosed

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000178 · wk-form4_1727382525.xml · nonDerivative · entry 1

GARDNER MARK A · CIK 0001955242 · SVP of Molecular Gen & Oncol

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,673

F1 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted share units.

SEC source: 0001022079-24-000176 · wk-form4_1725395450.xml · derivative · entry 4

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 32,551 shares

Expires 2027-02-21

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 21, 2018, the second on February 21, 2019 and the final on February 21, 2020.

SEC source: 0001022079-24-000176 · wk-form4_1725395450.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,478

F1 · price: This transaction was executed in multiple trades at prices ranging from $154.890 to $155.455. 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.

SEC source: 0001022079-24-000176 · wk-form4_1725395450.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,029

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001022079-24-000174 · wk-form4_1724964130.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,459

F1 · price: This transaction was executed in multiple trades at prices ranging from $153.2557 to $153.310. 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.

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

SEC source: 0001022079-24-000170 · wk-form4_1723842081.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,449

F1 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted share units.

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

SEC source: 0001022079-24-000168 · wk-form4_1722033208.xml · nonDerivative · entry 2

DELANEY MARK E · CIK 0001955265 · SVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,019

SEC source: 0001022079-24-000168 · wk-form4_1722033208.xml · nonDerivative · entry 1

DELANEY MARK E · CIK 0001955265 · SVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,439

F1 · shares: 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.

SEC source: 0001022079-24-000167 · wk-form4_1722033170.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,467

F1 · shares: 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.

SEC source: 0001022079-24-000166 · wk-form4_1722033137.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,511

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the reporting person's last filing on Form 4.

SEC source: 0001022079-24-000165 · wk-form4_1722033092.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,162

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

SEC source: 0001022079-24-000164 · wk-form4_1722033015.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,969

F1 · shares: 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.

SEC source: 0001022079-24-000145 · wk-form4_1721334700.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,446

F1 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted share units.

SEC source: 0001022079-24-000143 · wk-form4_1719951557.xml · derivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,367.449

Underlying: Common Stock · 308 shares

Expires not disclosed

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000119 · wk-form4_1716247063.xml · nonDerivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,709

F1 · shares: Represents an award of restricted share units.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000129 · wk-form4_1716247472.xml · nonDerivative · entry 1

CARTER ROBERT B · CIK 0001197607 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,482

F1 · shares: Represents an award of restricted share units.

SEC source: 0001022079-24-000127 · wk-form4_1716247364.xml · nonDerivative · entry 1

PFEIFFER GARY M · CIK 0001127304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,916

F1 · shares: Represents an award of restricted share units.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000125 · wk-form4_1716247290.xml · nonDerivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,798

F1 · shares: Represents an award of restricted share units.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000123 · wk-form4_1716247217.xml · nonDerivative · entry 1

MAIN TIMOTHY L · CIK 0001196744 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,094

F1 · shares: Represents an award of restricted share units.

SEC source: 0001022079-24-000121 · wk-form4_1716247144.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,892

F1 · shares: Represents an award of restricted share units.

SEC source: 0001022079-24-000117 · wk-form4_1716246998.xml · nonDerivative · entry 1

MORRISON DENISE M · CIK 0001230166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,490

F1 · security: Represents an award of restricted share units.

F1 · shares: Represents an award of restricted share units.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000115 · wk-form4_1716246916.xml · nonDerivative · entry 1

Doi Tracey · CIK 0001527766 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,183

F1 · security: Represents an award of restricted share units.

F1 · shares: Represents an award of restricted share units.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000113 · wk-form4_1716246819.xml · nonDerivative · entry 1

Diaz Luis · CIK 0001720081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,851

F1 · shares: Represents an award of restricted share units.

SEC source: 0001022079-24-000109 · wk-form4_1714595185.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,435

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

SEC source: 0001022079-24-000107 · wk-form4_1714167920.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,410

F1 · shares: 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.

SEC source: 0001022079-24-000106 · wk-form4_1714167884.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,195

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the reporting person's last filing on Form 4.

SEC source: 0001022079-24-000105 · wk-form4_1714167846.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,062

F1 · shares: 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 · balance_after: The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.

SEC source: 0001022079-24-000104 · wk-form4_1714167806.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,356

F1 · security: Represents an award of restricted share units.

F2 · shares: 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.

SEC source: 0001022079-24-000091 · wk-form4_1712176375.xml · derivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,972.897

Underlying: Common Stock · 311 shares

Expires not disclosed

F1 · derivative.exercise_date: 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.

F1 · derivative.expiration_date: 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.

F2 · balance_after: The amount includes shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4 pursuant to the Amended and Restated Deferred Compensation Plan for Directors.

SEC source: 0001022079-24-000089 · wk-form4_1711659150.xml · nonDerivative · entry 1

DELANEY MARK E · CIK 0001955265 · SVP & Chief Commercial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,433

F1 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted share units.

SEC source: 0001022079-24-000088 · wk-form4_1711659111.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,981

F1 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted share units.

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

SEC source: 0001022079-24-000084 · wk-form4_1709329881.xml · nonDerivative · entry 4

Doherty Catherine T. · CIK 0001520897 · EVP, Regional Businesses

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,412

F2 · kind: The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

SEC source: 0001022079-24-000083 · wk-form4_1709329804.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,478

F2 · kind: The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.