DGX

SEC source: 0001771759-26-000002 · wk-form4_1771625359.xml · nonDerivative · entry 1

Deppe Michael J · CIK 0001771759 · SVP, Corp. Controller & CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,742

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

SEC source: 0001955217-26-000002 · wk-form4_1771625442.xml · derivative · entry 7

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,853

Underlying: Common Stock · 9,853 shares

Expires 2036-02-18

F6 · derivative.exercise_date: The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001955217-26-000002 · wk-form4_1771625442.xml · nonDerivative · entry 3

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,049

F2 · security: Represents an award of restricted stock units.

SEC source: 0001955217-26-000002 · wk-form4_1771625442.xml · nonDerivative · entry 2

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,914

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

SEC source: 0001955217-26-000002 · wk-form4_1771625442.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,173

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

SEC source: 0001955265-26-000002 · wk-form4_1771625397.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,332

Underlying: Common Stock · 7,332 shares

Expires 2036-02-18

F4 · derivative.exercise_date: The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001955265-26-000002 · wk-form4_1771625397.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,681

F2 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted stock units.

SEC source: 0001955265-26-000002 · wk-form4_1771625397.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,911

F2 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted stock units.

SEC source: 0001955265-26-000002 · wk-form4_1771625397.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,116

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

SEC source: 0001022079-26-000009 · wk-form4_1771364252.xml · derivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,165 shares

Expires 2030-02-18

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.

F8 · derivative.exercise_date: The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,068

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 $208.970 to $209.355. 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: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,419

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 $207.810 to $208.600. 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: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,038

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 $206.770 to $207.675. 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: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,538

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 $205.770 to $206.7489. 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: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 83,660

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 $204.745 to $205.740. 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: 0001022079-26-000009 · wk-form4_1771364252.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 94,233

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: 0001022079-26-000008 · wk-form4_1770931987.xml · derivative · entry 4

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,662 shares

Expires 2031-02-17

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.

F2 · kind: This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

F3 · derivative.exercise_date: The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001022079-26-000008 · wk-form4_1770931987.xml · nonDerivative · entry 3

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,381

F2 · kind: This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

SEC source: 0001022079-26-000008 · wk-form4_1770931987.xml · nonDerivative · entry 2

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,043

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.

F2 · kind: This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

SEC source: 0001022079-26-000008 · wk-form4_1770931987.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,381

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: 0001022079-26-000011 · wk-form4_1771625304.xml · nonDerivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,057

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 shares acquired via dividend reinvestment since the date of reporting person's last filing on Form 4.

SEC source: 0001694295-26-000002 · wk-form4_1771625556.xml · nonDerivative · entry 4

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,910

F3 · 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: 0001955217-26-000002 · wk-form4_1771625442.xml · nonDerivative · entry 4

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,065

F3 · 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.

F4 · 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: 0001955265-26-000002 · wk-form4_1771625397.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,696

F3 · 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: 0001197607-26-000002 · wk-form4_1771625221.xml · nonDerivative · entry 1

CARTER ROBERT B · CIK 0001197607 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,704

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: 0001510304-26-000002 · wk-form4_1771625188.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,104

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: 0001022079-25-000233 · wk-form4_1764365447.xml · derivative · entry 5

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 55,093 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.

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

F5 · derivative.exercise_date: The options vested in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001022079-25-000233 · wk-form4_1764365447.xml · nonDerivative · entry 4

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 120,480

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 $192.820 to $193.310. 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.

SEC source: 0001022079-25-000233 · wk-form4_1764365447.xml · nonDerivative · entry 3

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 125,227

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 $191.820 to $192.810. 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: 0001022079-25-000233 · wk-form4_1764365447.xml · nonDerivative · entry 2

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 166,231

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 $190.810 to $191.805. 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: 0001022079-25-000233 · wk-form4_1764365447.xml · nonDerivative · entry 1

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 175,573

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: 0001022079-25-000232 · wk-form4_1764365428.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,037

SEC source: 0001955265-25-000004 · wk-form4_1763674087.xml · derivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,484

Underlying: Common Stock · 100 shares

Expires 2033-02-23

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.

F2 · derivative.exercise_date: The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001955265-25-000004 · wk-form4_1763674087.xml · derivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,846 shares

Expires 2032-03-21

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.

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

F2 · derivative.exercise_date: The options vest in three equal annual installments beginning on the first annual anniversary of the grant date.

SEC source: 0001955265-25-000004 · wk-form4_1763674087.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,530

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

SEC source: 0001955265-25-000004 · wk-form4_1763674087.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,476

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: 0001955265-25-000004 · wk-form4_1763674087.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,376

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: 0001599837-25-000004 · wk-form4_1762550991.xml · nonDerivative · entry 1

Davis J. E. · CIK 0001599837 · Director · CEO and President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,480

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

SEC source: 0001022079-25-000228 · wk-form4_1761343851.xml · derivative · entry 2

PFEIFFER GARY M · CIK 0001127304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,413.284 shares

Expires not disclosed

F1 · derivative.exercise_price: This transaction constitutes an intra-plan transfer in the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors from the company stock fund to another investment option. The phantom common stock units were payable in cash and represented a like number of shares of the company's common stock.

F1 · derivative.exercise_date: This transaction constitutes an intra-plan transfer in the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors from the company stock fund to another investment option. The phantom common stock units were payable in cash and represented a like number of shares of the company's common stock.

F1 · derivative.expiration_date: This transaction constitutes an intra-plan transfer in the Quest Diagnostics Incorporated Amended and Restated Deferred Compensation Plan for Directors from the company stock fund to another investment option. The phantom common stock units were payable in cash and represented a like number of shares of the company's common stock.

F2 · derivative.underlying_shares: 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: 0001022079-25-000228 · wk-form4_1761343851.xml · nonDerivative · entry 1

PFEIFFER GARY M · CIK 0001127304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,431

SEC source: 0001022079-25-000231 · wk-form4_1761343900.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,741

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: 0001022079-25-000230 · wk-form4_1761343884.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,333

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: 0001022079-25-000229 · wk-form4_1761343868.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,379

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: 0001022079-25-000225 · wk-form4_1761343785.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,530

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: 0001022079-25-000226 · wk-form4_1761343805.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,287

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: 0001022079-25-000224 · wk-form4_1761343759.xml · nonDerivative · entry 1

CARTER ROBERT B · CIK 0001197607 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,698

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: 0001022079-25-000206 · wk-form4_1759523536.xml · derivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 678.777

Underlying: Common Stock · 157 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 · derivative.underlying_shares: Total number of phantom stock units accrued as of the transaction date in the reporting person's deferred compensation account includes phantom stock units credited as a result of dividend reinvestment transactions exempt from reporting pursuant to Rule 16a-11.

SEC source: 0001022079-25-000207 · wk-form4_1759523557.xml · derivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,036.495

Underlying: Common Stock · 233 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: Total number of phantom stock units accrued as of the transaction date in the reporting person's deferred compensation account includes phantom stock units credited as a result of dividend reinvestment transactions exempt from reporting pursuant to Rule 16a-11.

SEC source: 0001022079-25-000203 · wk-form4_1759264615.xml · derivative · entry 5

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 227 shares

Expires 2028-02-19

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.

F5 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 19, 2019, the second on February 19, 2020 and the final on February 19, 2021.

SEC source: 0001022079-25-000203 · wk-form4_1759264615.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,117

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 $188.220 to $189.080. 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.