DGX files Rule 144 to sell 3,878 shares

DGX files a Rule 144 notice to sell 3,878 common shares tied to restricted stock vesting on 02/23/2026.

Rhea-AI Filing Summary

DGX files a Rule 144 notice to sell 3,878 common shares tied to restricted stock vesting on 02/23/2026.

The filing also reports recent sales by Michael Prevoznik of 1,111 shares on 02/19/2026 for $227,566.13 and 526 shares on 03/03/2026 for $109,265.98.

Insights

Equity Capital Markets Analyst

Rule 144 notice lists a small resale tied to recent vesting and two recent disposals.

The filing states 3,878 common shares are to be sold following a restricted stock vesting event on 02/23/2026. It also discloses two recent sales by Michael Prevoznik: 1,111 shares on 02/19/2026 for $227,566.13 and 526 shares on 03/03/2026 for $109,265.98.

Cash‑flow treatment and purchaser details are not included in the excerpt; subsequent filings would state execution details. The actions shown are routine compliance disclosures for resale under Rule 144.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the DGX Rule 144 filing disclose?

It discloses a notice to sell 3,878 common shares tied to restricted stock vesting on 02/23/2026. It also lists two recent sales by Michael Prevoznik totaling 1,637 shares with aggregate proceeds shown.

Who reported recent sales in the DGX filing?

The filing lists sales by Michael Prevoznik, including 1,111 shares sold on 02/19/2026 and 526 shares sold on 03/03/2026, with reported proceeds for each transaction.

What price proceeds are reported for the insider sales in DGX?

Proceeds shown are $227,566.13 for 1,111 shares on 02/19/2026 and $109,265.98 for 526 shares on 03/03/2026, as stated in the filing.

Are the 3,878 shares in the DGX filing newly vested shares?

Yes; the excerpt ties the 3,878 common shares to a restricted stock vesting event on 02/23/2026, as indicated in the securities-to-be-sold section.

Does the DGX filing state who will receive sale proceeds?

The excerpt does not state proceeds recipients explicitly; the securities-to-be-sold line attributes the shares to Issuer under Compensation, but detailed cash-flow treatment is not provided in the excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/05/2026 - 11:53 AM EST 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	0001222679
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	PREVOZNIK MICHAEL E
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	3878	799682.38	109866320	03/05/2026	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			3878	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
Michael Prevoznik 500 Plaza Drive Secaucus NJ 07094	Common	02/19/2026	1111	227566.13
Michael Prevoznik 500 Plaza Drive Secaucus NJ 07094	Common	03/03/2026	526	109265.98

144: Remarks and Signature

Remarks
Date of Notice	03/05/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/30/2025
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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael Prevoznik
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)