SEC INSIDER TRANSACTIONS

QUEST DIAGNOSTICS INC (DGX) Insider Transactions

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DGX · QUEST DIAGNOSTICS INC

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Roles: director,officer,ten_percent_owner,otherOwner nameOfficer titleOwnership: D, I, unknownoriginal or amendedTransaction fromTransaction throughFiled fromFiled throughMinimum quantityMaximum quantityMinimum priceMaximum priceMinimum calculated valueMaximum calculated valueResults per page (1–100)

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

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

Recent reported activity

0purchase rows on this page

1sale rows on this page

63matching filing rows

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

Transaction / filed	Reporting owner(s)	Code / security	Quantity	Price as filed	Ownership	Source
2026-06-04Filed 2026-06-08	KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person. F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4. F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date. F4 The options vested in three annual installments beginning with the first on February 24, 2023, the second on February 24, 2024 and the final on February 24, 2025. F5 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024. References: F1	M Exercise / conversionCommon Stock · Non-derivative	4,827A	121.805	Direct	Form 4 ↗0001022079-26-000053
2026-06-04Filed 2026-06-08	KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 This exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person. F2 The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4. F3 These underlying shares were acquired on a periodic basis by the trustee of the Company's tax qualified Profit Sharing (401(k)) Plan. The information was obtained from the plan administrator as of a current date. The number of shares is based on the account balance of the Company stock fund under the Plan (which includes some money market instruments) divided by the market price of the Company's stock as of that date. F4 The options vested in three annual installments beginning with the first on February 24, 2023, the second on February 24, 2024 and the final on February 24, 2025. F5 The options vested in three annual installments beginning with the first on February 17, 2022, the second on February 17, 2023 and the final on February 17, 2024. References: F1	M Exercise / conversionCommon Stock · Non-derivative	3,320A	127.725	Direct	Form 4 ↗0001022079-26-000053
2026-06-01Filed 2026-06-02	Davis J. E.Director · Officer · CEO and President Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 The sale reported was effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person. References: F1	S Sale (market/private)Common Stock · Non-derivative	10,000D	194.14	Direct	Form 4 ↗0001599837-26-000005
2026-05-20Filed 2026-05-21	Lassiter Wright IIIDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001805909-26-000007
2026-05-20Filed 2026-05-21	Diaz LuisDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. References: F1	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001720081-26-000002
2026-05-20Filed 2026-05-21	Doi TraceyDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001527766-26-000002
2026-05-20Filed 2026-05-21	Gregg Vicky BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. References: F1	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001510304-26-000005
2026-05-20Filed 2026-05-21	WENTWORTH TIMOTHY CDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001252016-26-000007
2026-05-20Filed 2026-05-21	MORRISON DENISE MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001230166-26-000008
2026-05-20Filed 2026-05-21	RING TIMOTHY MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001204666-26-000002
2026-05-20Filed 2026-05-21	CARTER ROBERT BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. References: F1	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001197607-26-000005
2026-05-20Filed 2026-05-21	MAIN TIMOTHY LDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. References: F1	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001196744-26-000002
2026-05-20Filed 2026-05-21	PFEIFFER GARY MDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 Represents an award of restricted stock units. F2 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. References: F1, F2	A Award / grantCommon Stock · Non-derivative	1,142A	0	Direct	Form 4 ↗0001127304-26-000002

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