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QUEST DIAGNOSTICS INC

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2118
SEC CIK
0001022079
Parsed reports
665

Last 12 months

Inside the activity.

0 purchase rows · 29 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202505
Dec 202500
Jan 202600
Feb 202609
Mar 202608
Apr 202600
May 202600
Jun 202602
Jul 202601
Aug 202603
Sep 202601
Oct 202600

Latest available

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 26, 2025 Filed Sep 30, 2025 20:36 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
SaleCommon Stock 83 $187.22 $15,539.24
Disclosure

SEC source: 0001022079-25-000203 · wk-form4_1759264615.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,261

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 $187.00 to $187.480. 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.

Read SEC document
September 26, 2025 Filed Sep 30, 2025 20:36 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
Exercise / conversionCommon Stock 227 $103.57 $23,510.39
Disclosure

SEC source: 0001022079-25-000203 · wk-form4_1759264615.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,344

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.

Read SEC document
September 24, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 175 $103.57 Strike: $103.57 $18,124.75
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · derivative · entry 7

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 227

Underlying: Common Stock · 175 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.

Read SEC document
September 24, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
SaleCommon Stock 175 $187.02 $32,729.03
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · nonDerivative · entry 4

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 $187.000 to $187.350. 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.

Read SEC document
September 24, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
Exercise / conversionCommon Stock 175 $103.57 $18,124.75
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,292

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.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 28,288 $103.57 Strike: $103.57 $2,929,788.16
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · derivative · entry 6

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 402

Underlying: Common Stock · 28,288 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.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
SaleCommon Stock 28,288 $187.12 $5,293,312.79
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · nonDerivative · entry 2

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.

F2 · price: This transaction was executed in multiple trades at prices ranging from $187.000 to $187.880. 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.

Read SEC document
September 23, 2025 Filed Sep 25, 2025 20:39 UTC
PREVOZNIK MICHAEL ESVP & General Counsel
Exercise / conversionCommon Stock 28,288 $103.57 $2,929,788.16
Disclosure

SEC source: 0001222679-25-000004 · wk-form4_1758832748.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,405

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.

Read SEC document
August 21, 2025 Filed Aug 25, 2025 20:27 UTC
Plewman PatrickSVP for Diagnostic Services
SaleCommon Stock 1,975 $185.00 $365,375.00
Disclosure

SEC source: 0001022079-25-000200 · wk-form4_1756153676.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,269

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

Read SEC document
August 19, 2025 Filed Aug 21, 2025 20:34 UTC
Plewman PatrickSVP for Diagnostic Services
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 4,532 $112.17 Strike: $112.17 $508,354.44
Disclosure

SEC source: 0001022079-25-000198 · wk-form4_1755808441.xml · derivative · entry 3

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,532 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.

F2 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 18, 2021, the second on February 18, 2022 and the final on February 18, 2023.

Read SEC document
August 19, 2025 Filed Aug 21, 2025 20:34 UTC
Plewman PatrickSVP for Diagnostic Services
SaleCommon Stock 4,532 $183.00 $829,356.00
Disclosure

SEC source: 0001022079-25-000198 · wk-form4_1755808441.xml · nonDerivative · entry 2

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,244

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

Read SEC document
August 19, 2025 Filed Aug 21, 2025 20:34 UTC
Plewman PatrickSVP for Diagnostic Services
Exercise / conversionCommon Stock 4,532 $112.17 $508,354.44
Disclosure

SEC source: 0001022079-25-000198 · wk-form4_1755808441.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,776

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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 20:47 UTC
Plewman PatrickSVP for Diagnostic Services
SaleCommon Stock 1,975 $180.00 $355,500.00
Disclosure

SEC source: 0001497368-25-000007 · wk-form4_1755636429.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,244

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

Read SEC document
August 13, 2025 Filed Aug 15, 2025 21:25 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
Tax withholdingCommon Stock 123 $175.91 $21,636.93
Disclosure

SEC source: 0001955217-25-000005 · wk-form4_1755293154.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,338

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

Read SEC document
August 06, 2025 Filed Aug 8, 2025 20:40 UTC
Plewman PatrickSVP for Diagnostic Services
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 3,560 $86.63 Strike: $86.63 $308,402.80
Disclosure

SEC source: 0001497368-25-000005 · wk-form4_1754685636.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 · 3,560 shares

Expires 2029-02-18

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.

F3 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 18, 2020, the second on February 18, 2021 and the final on February 18, 2022.

Read SEC document
August 06, 2025 Filed Aug 8, 2025 20:40 UTC
Plewman PatrickSVP for Diagnostic Services
SaleCommon Stock 1,975 $175.00 $345,625.00
Disclosure

SEC source: 0001497368-25-000005 · wk-form4_1754685636.xml · nonDerivative · entry 3

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,219

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

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.

Read SEC document
August 06, 2025 Filed Aug 8, 2025 20:40 UTC
Plewman PatrickSVP for Diagnostic Services
SaleCommon Stock 3,560 $175.00 $623,000.00
Disclosure

SEC source: 0001497368-25-000005 · wk-form4_1754685636.xml · nonDerivative · entry 2

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,185

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

Read SEC document
August 06, 2025 Filed Aug 8, 2025 20:40 UTC
Plewman PatrickSVP for Diagnostic Services
Exercise / conversionCommon Stock 3,560 $86.63 $308,402.80
Disclosure

SEC source: 0001497368-25-000005 · wk-form4_1754685636.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,745

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.

Read SEC document
July 31, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
SaleCommon Stock 2,210 $170.00 $375,700.00
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · nonDerivative · entry 7

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,450

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

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 5,224 $112.17 Strike: $112.17 $585,976.08
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · derivative · entry 9

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,224 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.

F4 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 18, 2021, the second on February 18, 2022 and the final on February 18, 2023.

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 3,045 $86.63 Strike: $86.63 $263,788.35
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · derivative · entry 8

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,045 shares

Expires 2029-02-18

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.

F3 · derivative.exercise_date: The options vested in three annual installments beginning with the first on February 18, 2020, the second on February 18, 2021 and the final on February 18, 2022.

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
SaleCommon Stock 5,224 $167.40 $874,497.60
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · nonDerivative · entry 4

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,660

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

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
Exercise / conversionCommon Stock 5,224 $112.17 $585,976.08
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · nonDerivative · entry 3

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 15,884

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.

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
SaleCommon Stock 3,045 $167.40 $509,733.00
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · nonDerivative · entry 2

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,660

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

Read SEC document
July 30, 2025 Filed Aug 1, 2025 20:37 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
Exercise / conversionCommon Stock 3,045 $86.63 $263,788.35
Disclosure

SEC source: 0001022079-25-000195 · wk-form4_1754080639.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,705

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:27 UTC OtherCommon Stock 7 $167.51 $1,172.54
Disclosure

SEC source: 0001022079-25-000186 · wk-form4_1753475235.xml · nonDerivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,044

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:29 UTC
SAMAD SAMExecutive Vice President & CFO
OtherCommon Stock 72 $167.50 $12,059.71
Disclosure

SEC source: 0001022079-25-000189 · wk-form4_1753475333.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,673

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:28 UTC
Plewman PatrickSVP for Diagnostic Services
OtherCommon Stock 80 $167.49 $13,399.52
Disclosure

SEC source: 0001022079-25-000188 · wk-form4_1753475302.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,185

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:28 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
OtherCommon Stock 27 $167.50 $4,522.45
Disclosure

SEC source: 0001022079-25-000187 · wk-form4_1753475272.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,660

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:26 UTC OtherCommon Stock 79 $167.50 $13,232.11
Disclosure

SEC source: 0001022079-25-000185 · wk-form4_1753475203.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,217

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:26 UTC
DELANEY MARK ESVP & Chief Commercial Officer
OtherCommon Stock 17 $167.49 $2,847.35
Disclosure

SEC source: 0001022079-25-000184 · wk-form4_1753475171.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,515

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.

Read SEC document
July 21, 2025 Filed Jul 25, 2025 20:25 UTC OtherCommon Stock 7 $167.51 $1,172.54
Disclosure

SEC source: 0001022079-25-000183 · wk-form4_1753475137.xml · nonDerivative · entry 1

CARTER ROBERT B · CIK 0001197607 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,692

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.

Read SEC document
July 16, 2025 Filed Jul 17, 2025 20:26 UTC
SAMAD SAMExecutive Vice President & CFO
Tax withholdingCommon Stock 850 $169.01 $143,658.50
Disclosure

SEC source: 0001022079-25-000168 · wk-form4_1752783979.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,601

F1 · shares: Sale of common stock to satisfy tax obligations arising from the vesting of a previous grant of restricted stock units.

Read SEC document
July 01, 2025 Filed Jul 2, 2025 20:26 UTC GrantPhantom Stock Units · Derivative 160 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000165 · wk-form4_1751487991.xml · derivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 520.854

Underlying: Common Stock · 160 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.

Read SEC document
July 01, 2025 Filed Jul 2, 2025 20:27 UTC GrantPhantom Stock Units · Derivative 236 $0.00 Strike: $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000166 · wk-form4_1751488046.xml · derivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,725.378

Underlying: Common Stock · 236 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.

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May 15, 2025 Filed May 19, 2025 20:21 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000144 · wk-form4_1747686084.xml · nonDerivative · entry 1

Lassiter Wright III · CIK 0001805909 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,037

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

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May 15, 2025 Filed May 19, 2025 20:24 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000150 · wk-form4_1747686272.xml · nonDerivative · entry 1

CARTER ROBERT B · CIK 0001197607 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,685

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

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May 15, 2025 Filed May 19, 2025 20:24 UTC
Diaz LuisDirector
GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000149 · wk-form4_1747686237.xml · nonDerivative · entry 1

Diaz Luis · CIK 0001720081 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,054

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

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May 15, 2025 Filed May 19, 2025 20:23 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000148 · wk-form4_1747686206.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,138

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

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May 15, 2025 Filed May 19, 2025 20:23 UTC
Doi TraceyDirector
GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000147 · wk-form4_1747686176.xml · nonDerivative · entry 1

Doi Tracey · CIK 0001527766 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,490

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

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May 15, 2025 Filed May 19, 2025 20:22 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000146 · wk-form4_1747686143.xml · nonDerivative · entry 1

MAIN TIMOTHY L · CIK 0001196744 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,297

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

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May 15, 2025 Filed May 19, 2025 20:22 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000145 · wk-form4_1747686114.xml · nonDerivative · entry 1

MORRISON DENISE M · CIK 0001230166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,742

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

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May 15, 2025 Filed May 19, 2025 20:21 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000143 · wk-form4_1747686052.xml · nonDerivative · entry 1

RING TIMOTHY M · CIK 0001204666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,507

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

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May 15, 2025 Filed May 19, 2025 20:20 UTC GrantCommon Stock 1,203 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000142 · wk-form4_1747686016.xml · nonDerivative · entry 1

PFEIFFER GARY M · CIK 0001127304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,669

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

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May 13, 2025 Filed May 14, 2025 21:12 UTC
DELANEY MARK ESVP & Chief Commercial Officer
SaleCommon Stock 874 $175.31 $153,220.94
Disclosure

SEC source: 0001022079-25-000132 · wk-form4_1747257144.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 7,498

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

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May 12, 2025 Filed May 14, 2025 21:12 UTC
DELANEY MARK ESVP & Chief Commercial Officer
SaleCommon Stock 874 $175.72 $153,579.28
Disclosure

SEC source: 0001022079-25-000132 · wk-form4_1747257144.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 8,372

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

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April 21, 2025 Filed May 2, 2025 20:32 UTC
KUPPUSAMY KARTHIKSVP, Clinical Solutions
OtherCommon Stock 27 $164.42 $4,439.39
Disclosure

SEC source: 0001022079-25-000129 · wk-form4_1746217961.xml · nonDerivative · entry 1

KUPPUSAMY KARTHIK · CIK 0001955217 · SVP, Clinical Solutions

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,612

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.

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April 21, 2025 Filed May 2, 2025 20:33 UTC
SAMAD SAMExecutive Vice President & CFO
OtherCommon Stock 74 $164.42 $12,167.23
Disclosure

SEC source: 0001022079-25-000130 · wk-form4_1746217999.xml · nonDerivative · entry 1

SAMAD SAM · CIK 0001694295 · Executive Vice President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,451

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.

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April 21, 2025 Filed May 2, 2025 20:32 UTC
Plewman PatrickSVP for Diagnostic Services
OtherCommon Stock 81 $164.42 $13,318.26
Disclosure

SEC source: 0001022079-25-000128 · wk-form4_1746217917.xml · nonDerivative · entry 1

Plewman Patrick · CIK 0001497368 · SVP for Diagnostic Services

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,087

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.

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April 21, 2025 Filed May 2, 2025 20:31 UTC GrantCommon Stock 68 $164.42 $11,180.70
Disclosure

SEC source: 0001022079-25-000127 · wk-form4_1746217881.xml · nonDerivative · entry 1

Gregg Vicky B · CIK 0001510304 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,935

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.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.