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PREVOZNIK MICHAEL E

Disclosed activity across 1 company

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18483
SEC CIK
0001222679

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Reported relationships

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CompanyLast reported asReport datePublished
QUEST DIAGNOSTICS INCDGX · Entity 2118SVP & General CounselAugust 28, 2026August 31, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

QUEST DIAGNOSTICS INC

Report date August 28, 2026 · Filed August 31, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect36,557 Ending reported balance After 2026-08-28 transaction · row 5
5 source rows · reconciled sequence

Row 1 · 2026-08-28 · Exercise / conversion · Acquired 22,677 · Balance 60,234

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

Row 2 · 2026-08-28 · Sale · Disposed 16,010 · Balance 44,224

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

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

Row 3 · 2026-08-28 · Sale · Disposed 6,237 · Balance 37,987

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

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

Row 4 · 2026-08-28 · Sale · Disposed 430 · Balance 37,557

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

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

Row 5 · 2026-08-28 · Gift · Disposed 1,000 · Balance 36,557

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

Non-Qualifed Stock Option (right to buy)SEC Table II · derivative / convertible security · Conversion / exercise price $112.17 · Expires 2030-02-18Direct0 Reported balance After 2026-08-28 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-08-28 · Exercise / conversion · Disposed 22,677 · Balance 0

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

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

Common StockSEC Table I · non-derivativeIndirect401(k)/SDCP5,780 Reported balance Holding disclosure · report date 2026-08-28 · row 6 Holding and transaction disclosures are not merged.
1 source row

Row 6 · Balance 5,780

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

Filing footnotes · ownership attribution and instrument terms

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

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

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

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

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

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

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

Transaction history

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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 dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 22,677 $112.17 Strike: $112.17 $2,543,679.09
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · derivative · entry 7

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 22,677 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.

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

Read SEC document
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GiftCommon Stock 1,000 $0.00 $0.00
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · nonDerivative · entry 5

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 36,557

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

Read SEC document
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 430 $244.51 $105,141.36
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · nonDerivative · entry 4

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,557

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

Read SEC document
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 6,237 $243.63 $1,519,504.72
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,987

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

Read SEC document
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 16,010 $242.88 $3,888,436.76
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,224

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

Read SEC document
August 28, 2026 Filed Aug 31, 2026 20:37 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionCommon Stock 22,677 $112.17 $2,543,679.09
Disclosure

SEC source: 0001022079-26-000089 · wk-form4_1788208632.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,234

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
March 05, 2026 Filed Mar 6, 2026 21:44 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 3,878 $206.21 $799,682.38
Disclosure

SEC source: 0001022079-26-000029 · wk-form4_1772833467.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,557

F3 · kind: This sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:44 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 3,354 $204.86 $687,100.44
Disclosure

SEC source: 0001022079-26-000029 · wk-form4_1772833467.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 41,435

F2 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the settlement of said performance stock award.

Read SEC document
March 04, 2026 Filed Mar 6, 2026 21:44 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantCommon Stock 7,232 $204.86 $1,481,547.52
Disclosure

SEC source: 0001022079-26-000029 · wk-form4_1772833467.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,789

F1 · shares: Stock issued by Quest Diagnostics Incorporated in settlement of a performance stock award approved in accordance with the requirements of Rule 16b-3(d).

Read SEC document
March 03, 2026 Filed Mar 4, 2026 21:38 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 526 $207.73 $109,265.98
Disclosure

SEC source: 0001022079-26-000022 · wk-form4_1772660322.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 37,557

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

Read SEC document
March 02, 2026 Filed Mar 4, 2026 21:38 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 288 $204.86 $58,999.68
Disclosure

SEC source: 0001022079-26-000022 · wk-form4_1772660322.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,083

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

Read SEC document
February 19, 2026 Filed Feb 20, 2026 22:12 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 1,111 $204.83 $227,566.13
Disclosure

SEC source: 0001222679-26-000002 · wk-form4_1771625527.xml · nonDerivative · entry 4

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,371

F3 · shares: This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person.

Read SEC document
February 18, 2026 Filed Feb 20, 2026 22:12 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantNon-Qualifed Stock Option (right to buy) · Derivative 9,289 $0.00 Strike: $204.96 $0.00
Disclosure

SEC source: 0001222679-26-000002 · wk-form4_1771625527.xml · derivative · entry 6

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 9,289

Underlying: Common Stock · 9,289 shares

Expires 2036-02-18

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

Read SEC document
February 18, 2026 Filed Feb 20, 2026 22:12 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 347 $206.99 $71,825.53
Disclosure

SEC source: 0001222679-26-000002 · wk-form4_1771625527.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,482

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

Read SEC document
February 18, 2026 Filed Feb 20, 2026 22:12 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 301 $210.01 $63,213.01
Disclosure

SEC source: 0001222679-26-000002 · wk-form4_1771625527.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,829

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

Read SEC document
February 18, 2026 Filed Feb 20, 2026 22:12 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantCommon Stock 2,013 $0.00 $0.00
Disclosure

SEC source: 0001222679-26-000002 · wk-form4_1771625527.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,130

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

Read SEC document
September 26, 2025 Filed Sep 30, 2025 20:36 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 227 $103.57 Strike: $103.57 $23,510.39
Disclosure

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.

Read SEC document
September 26, 2025 Filed Sep 30, 2025 20:36 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 144 $188.66 $27,166.77
Disclosure

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.

Read SEC document
September 26, 2025 Filed Sep 30, 2025 20:36 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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 QUEST DIAGNOSTICS INC DGX · Entity 2118 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
March 17, 2025 Filed Mar 20, 2025 01:00 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 4,643 $170.00 $789,310.00
Disclosure

SEC source: 0001022079-25-000097 · wk-form4_1742432440.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,117

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

Read SEC document
March 04, 2025 Filed Mar 5, 2025 21:35 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 3,906 $173.74 $678,628.44
Disclosure

SEC source: 0001022079-25-000087 · wk-form4_1741210525.xml · nonDerivative · entry 4

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,760

F4 · shares: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the settlement of said performance stock award.

Read SEC document
March 04, 2025 Filed Mar 5, 2025 21:35 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantCommon Stock 8,549 $173.74 $1,485,303.26
Disclosure

SEC source: 0001022079-25-000087 · wk-form4_1741210525.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 46,666

F3 · shares: Stock issued by Quest Diagnostics Incorporated in settlement of a performance stock award dated approved in accordance with the requirements of Rule 16b-3(d).

Read SEC document
March 04, 2025 Filed Mar 5, 2025 21:35 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 592 $175.79 $104,067.68
Disclosure

SEC source: 0001022079-25-000087 · wk-form4_1741210525.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,117

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

Read SEC document
March 03, 2025 Filed Mar 5, 2025 21:35 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 322 $173.74 $55,944.28
Disclosure

SEC source: 0001022079-25-000087 · wk-form4_1741210525.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,709

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

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February 27, 2025 Filed Feb 28, 2025 21:38 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 528 $172.61 $91,138.08
Disclosure

SEC source: 0001022079-25-000074 · wk-form4_1740778674.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,031

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

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February 26, 2025 Filed Feb 28, 2025 21:38 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 286 $171.75 $49,120.50
Disclosure

SEC source: 0001022079-25-000074 · wk-form4_1740778674.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,559

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

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February 20, 2025 Filed Feb 21, 2025 21:44 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 604 $170.99 $103,277.96
Disclosure

SEC source: 0001022079-25-000058 · wk-form4_1740174264.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 39,845

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

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February 19, 2025 Filed Feb 21, 2025 21:44 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 374 $169.71 $63,471.54
Disclosure

SEC source: 0001022079-25-000058 · wk-form4_1740174264.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,449

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

Read SEC document
February 12, 2025 Filed Feb 14, 2025 22:29 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantNon-Qualifed Stock Option (right to buy) · Derivative 8,991 $0.00 Strike: $165.30 $0.00
Disclosure

SEC source: 0001022079-25-000036 · wk-form4_1739572153.xml · derivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,991

Underlying: Common Stock · 8,991 shares

Expires 2035-02-12

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

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February 12, 2025 Filed Feb 14, 2025 22:29 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantCommon Stock 2,345 $0.00 $0.00
Disclosure

SEC source: 0001022079-25-000036 · wk-form4_1739572153.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,823

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

Read SEC document
November 29, 2024 Filed Dec 2, 2024 21:43 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 35,146 $86.63 Strike: $86.63 $3,044,697.98
Disclosure

SEC source: 0001022079-24-000208 · wk-form4_1733175791.xml · derivative · entry 5

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,146 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.

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

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November 29, 2024 Filed Dec 2, 2024 21:43 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 32,137 $163.15 $5,243,064.78
Disclosure

SEC source: 0001022079-24-000208 · wk-form4_1733175791.xml · nonDerivative · entry 3

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,478

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 $162.705 to $163.615. 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.

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November 29, 2024 Filed Dec 2, 2024 21:43 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 3,009 $162.26 $488,236.73
Disclosure

SEC source: 0001022079-24-000208 · wk-form4_1733175791.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,615

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 $161.690 to $162.680. 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.

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November 29, 2024 Filed Dec 2, 2024 21:43 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionCommon Stock 35,146 $86.63 $3,044,697.98
Disclosure

SEC source: 0001022079-24-000208 · wk-form4_1733175791.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,624

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 29, 2024 Filed Sep 3, 2024 20:30 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionNon-Qualifed Stock Option (right to buy) · Derivative 32,551 $95.80 Strike: $95.80 $3,118,223.05
Disclosure

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.

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August 29, 2024 Filed Sep 3, 2024 20:30 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 32,551 $154.97 $5,044,516.36
Disclosure

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.

Read SEC document
August 29, 2024 Filed Sep 3, 2024 20:30 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Exercise / conversionCommon Stock 32,551 $95.80 $3,118,223.05
Disclosure

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.

Read SEC document
February 29, 2024 Filed Mar 1, 2024 21:50 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 5,611 $125.88 $706,312.68
Disclosure

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.

Read SEC document
February 28, 2024 Filed Mar 1, 2024 21:50 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 456 $126.36 $57,620.16
Disclosure

SEC source: 0001022079-24-000083 · wk-form4_1709329804.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,089

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

Read SEC document
February 28, 2024 Filed Mar 1, 2024 21:50 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 405 $126.36 $51,175.80
Disclosure

SEC source: 0001022079-24-000083 · wk-form4_1709329804.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,545

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

Read SEC document
February 23, 2024 Filed Feb 27, 2024 21:34 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 Tax withholdingCommon Stock 2,825 $125.02 $353,181.50
Disclosure

SEC source: 0001022079-24-000066 · wk-form4_1709069673.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 44,950

F2 · kind: Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the settlement of said performance share award.

Read SEC document
February 23, 2024 Filed Feb 27, 2024 21:34 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 GrantCommon Stock 7,569 $125.02 $946,276.38
Disclosure

SEC source: 0001022079-24-000066 · wk-form4_1709069673.xml · nonDerivative · entry 1

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 47,775

F1 · kind: Stock issued by Quest Diagnostics Incorporated in settlement of a performance share award dated February 18, 2021, approved in accordance with the requirements of Rule 16b-3(d).

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February 22, 2024 Filed Feb 23, 2024 21:35 UTC QUEST DIAGNOSTICS INC DGX · Entity 2118 SaleCommon Stock 661 $126.14 $83,378.54
Disclosure

SEC source: 0001022079-24-000053 · wk-form4_1708724091.xml · nonDerivative · entry 2

PREVOZNIK MICHAEL E · CIK 0001222679 · SVP & General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 40,206

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

Read SEC document

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