Patrick Plewman - 18 Feb 2026 Form 4 Insider Report for QUEST DIAGNOSTICS INC (DGX)

Reporting relationship: SVP for Diagnostic Services
Issuer ticker: DGX
Reported as of: 18 Feb 2026
Net transaction value: -$308,118
SEC form: 4
Accepted by SEC: 20 Feb 2026, 17:13:11 UTC
Prior SEC filing: 12 Feb 2026
Next SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: Sean D. Mersten, Attorney in Fact for Patrick Plewman

Key filing fact

Patrick Plewman filed Form 4 for QUEST DIAGNOSTICS INC (DGX) on 20 Feb 2026.

Key facts

This page summarizes Patrick Plewman's Form 4 filing for QUEST DIAGNOSTICS INC (DGX).
5 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Feb 2026, 17:13.

Change

Previous filing in this sequence was filed on 12 Feb 2026.
Current net transaction value: -$308,118.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001497368 Primary reporting owner

Plewman Patrick

Relationship: SVP for Diagnostic Services
Address: 500 PLAZA DRIVE, C/O QUEST DIAGNOSTICS INC, SECAUCUS
Signature: Sean D. Mersten, Attorney in Fact for Patrick Plewman
Signature date: 20 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DGX transaction

Common Stock

Award

Transaction value: $0
Shares: +1,952
Change %: +13%
Price: $0.000000
Shares after: 17,333
Date: 18 Feb 2026
Ownership: Direct
Footnotes: F1

DGX transaction

Common Stock

Tax liability

Transaction value: $51,242
Shares: -244
Change %: -1.4%
Price: $210.01
Shares after: 17,089
Date: 18 Feb 2026
Ownership: Direct
Footnotes: F2

DGX transaction

Common Stock

Tax liability

Transaction value: $60,648
Shares: -293
Change %: -1.7%
Price: $206.99
Shares after: 16,796
Date: 18 Feb 2026
Ownership: Direct
Footnotes: F2

DGX transaction

Common Stock

Sale

Transaction value: $196,227
Shares: -958
Change %: -5.7%
Price: $204.83
Shares after: 15,838
Date: 19 Feb 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DGX transaction Derivative

Non-Qualifed Stock Option (right to buy)

Award

Transaction value: $0
Shares: +9,009
Change %
Price: $0.000000
Shares after: 9,009
Date: 18 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,009
Exercise price: $204.96
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

Represents an award of restricted stock units.

Footnote F2

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

Footnote F3

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

Footnote F4

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