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QUEST DIAGNOSTICS INC

For the period ended Sep 30, 2026. Filed Oct 23, 2026.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2026 · Filed Oct 23, 2026

DGX$255.63+0.3%Stored close · as of Nov 6, 2026

What changed in Risk Factors?

Read the current filing

Previous report: 10-Q

Period ended 2026-06-30; filed 2026-07-23.

0001022079-26-000070

Item 1A. Risk Factors

Current report: 10-Q

Period ended 2026-09-30; filed 2026-10-23.

0001022079-26-000108

Item 1A. Risk Factors

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 3 previous paragraphs and 3 current paragraphs.

1 unchanged; 2 reworded; 0 added; 0 removed; 0 previous and 0 current paragraphs rearranged.

Tables are not compared: 1 previous and 1 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

Reworded paragraphs (2)

Previous wording

The table below sets forth the information with respect to purchases made by or on behalf of the Company of its common stock during the second quarter of 2026.

Current wording

The table below sets forth the information with respect to purchases made by or on behalf of the Company of its common stock during the third quarter of 2026.

Previous wording

(B)Includes: (1) shares delivered or attested to in satisfaction of the exercise price and/or tax withholding obligations by holders of stock options (granted under the Company’s Amended and Restated Employee Long-Term Incentive Plan) who exercised options; and (2) shares withheld (under the terms of grants under the Amended and Restated Employee Long-Term Incentive Plan) to offset tax withholding obligations that occur upon the delivery of outstanding common shares underlying restricted stock units and performance share units.

Current wording

(B)Includes: (1) shares delivered or attested to in satisfaction of the exercise price and/or tax withholding obligations by holders of stock options (granted under our Amended and Restated Employee Long-Term Incentive Plan) who exercised options; and (2) shares withheld (under the terms of grants under the Amended and Restated Employee Long-Term Incentive Plan) to offset tax withholding obligations that occur upon the delivery of outstanding common shares underlying restricted stock units and performance share units.