SEC INSIDER TRANSACTIONS

QUEST DIAGNOSTICS INC (DGX) Insider Transactions

Explore official ownership filings, with every record linked to its source.

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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 2026-10-15 to 2026-11-13 · 14 filings · fetched 2026-11-13T17:19:48Z

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Recent reported activity

0purchase rows on this page

0sale rows on this page

29matching 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
2026-10-21Filed 2026-10-23	KUPPUSAMY KARTHIKOfficer · SVP, Clinical Solutions Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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 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. References: F1, F2	L Other reported codeCommon Stock · Non-derivative	33A	235.944	Direct	Form 4 ↗0001022079-26-000113
2026-10-21Filed 2026-10-23	Gregg Vicky BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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. References: F1	A Award / grantCommon Stock · Non-derivative	63A	235.939	Direct	Form 4 ↗0001022079-26-000114
2026-10-21Filed 2026-10-23	SAMAD SAMOfficer · Executive Vice President & CFO Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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. References: F1	A Award / grantCommon Stock · Non-derivative	90A	235.939	Direct	Form 4 ↗0001022079-26-000115
2026-10-21Filed 2026-10-23	CARTER ROBERT BDirector Filing context Reported filing row; may be amended. Do not sum filings blindly. F1 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. References: F1	L Other reported codeCommon Stock · Non-derivative	10A	235.93	Direct	Form 4 ↗0001022079-26-000116

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