Form 144 filing shows insider share dispositions

Form 144 notice: proposed dispositions of common stock by an insider and a restricted-stock vesting.

Rhea-AI Filing Summary

Form 144 notice: proposed dispositions of common stock by an insider and a restricted-stock vesting. The filing lists a restricted stock vesting of 410 shares on 02/23/2026 recorded as compensation. It also shows proposed sales by Thomas P. Plewman of 5,662 shares on 02/10/2026 and 958 shares on 02/19/2026 with corresponding aggregate dollar amounts disclosed in the excerpt.

Insights

Securities Counsel

Routine Form 144 notice for proposed disposition and compensation-related vesting.

The filing records a restricted stock vesting of 410 shares on 02/23/2026 described as compensation, and two proposed dispositions by Thomas P. Plewman: 5,662 shares on 02/10/2026 and 958 shares on 02/19/2026.

These entries are procedural notifications under resale rules; cash‑flow treatment and final execution details are not included in the excerpt. Subsequent broker reports or Form 4/Form 5 filings will show completion and exact sale methods.

FAQ

What does the DGX Form 144 filing report?

It reports proposed dispositions and a restricted-stock vesting. The excerpt lists a 410-share restricted vesting on 02/23/2026 and proposed sales of 5,662 and 958 shares by Thomas P. Plewman on 02/10/2026 and 02/19/2026.

Who is the insider named in the DGX excerpt?

The filing shows transactions attributed to Thomas P. Plewman. The excerpt lists proposed dispositions of 5,662 shares and 958 shares on 02/10/2026 and 02/19/2026, respectively, with aggregate dollar amounts shown.

Does the filing show shares vesting as compensation for DGX?

Yes. The excerpt records a restricted stock vesting of 410 shares dated 02/23/2026 and labels the transaction type as Compensation in the securities-to-be-sold section.

Are aggregate dollar amounts disclosed in the excerpt?

Yes. The excerpt shows aggregate amounts linked to the proposed dispositions: one row lists 1155048.00 and another lists 196227.14 associated with the Thomas P. Plewman entries dated 02/10/2026 and 02/19/2026.

Does this Form 144 confirm sales were completed?

No. It is a notice of proposed dispositions. The excerpt lists dates and quantities but does not confirm execution; completion would be reflected in subsequent broker reports or Form 4/Form 5 filings.

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Accepted by SEC EDGAR 03/03/2026 - 11:52 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001497368
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	QUEST DIAGNOSTICS INC
SEC File Number	001-12215
Address of Issuer	500 PLAZA DRIVE SECAUCUS NEW JERSEY 07094
Phone	9735202700
Name of Person for Whose Account the Securities are To Be Sold	Plewman Patrick
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	410	85169.30	109866320	03/03/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/23/2026	Restricted Stock Vesting	Issuer			410	02/23/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Thomas P. Plewman 500 Plaza Drive Secaucus NJ 02917	Common	02/10/2026	5662	1155048.00
Thomas P. Plewman 500 Plaza Drive Secaucus NJ 07094	Common	02/19/2026	958	196227.14

144: Remarks and Signature

Remarks
Date of Notice	03/03/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/01/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Thomas Plewman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)