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STOCK TITAN

[Form 4] Quest Diagnostics Inc. Insider Trading Activity

Filing Impact
(Low)
Filing Sentiment
(Negative)
Form Type
4
Rhea-AI Filing Summary

The filing reports insider activity by Karthik Kuppusamy, SVP, Clinical Solutions at Quest Diagnostics (DGX). On 08/13/2025 he had a disposition of 123 shares of Quest Diagnostics common stock executed under code F at a price of $175.91 per share; the filer states this sale was made solely to cover tax withholding on vested restricted stock units. Following the reported transaction, Kuppusamy beneficially owned 8,338 shares directly, plus 358 shares indirectly via a trust and 1,628 shares held in the 401(k) plan, with the 401(k) amount provided by the plan administrator based on current account balances.

La comunicazione riporta un'operazione insider effettuata da Karthik Kuppusamy, SVP Clinical Solutions presso Quest Diagnostics (DGX). In data 13/08/2025 ha effettuato una cessione di 123 azioni ordinarie di Quest Diagnostics, eseguita con codice F al prezzo di $175,91 per azione; il dichiarante precisa che la vendita è stata fatta esclusivamente per coprire il prelievo fiscale su stock unit già maturate. Dopo la transazione segnalata, Kuppusamy deteneva 8.338 azioni direttamente, oltre a 358 azioni indirettamente tramite un trust e 1.628 azioni nel piano 401(k), importo fornito dall'amministratore del piano in base ai saldi correnti del conto.

El informe comunica una operación de insider realizada por Karthik Kuppusamy, SVP de Clinical Solutions en Quest Diagnostics (DGX). El 13/08/2025 tuvo una disposición de 123 acciones ordinarias de Quest Diagnostics ejecutada bajo el código F a $175.91 por acción; el declarante indica que la venta se realizó únicamente para cubrir la retención fiscal sobre unidades restringidas de acciones ya consolidadas. Tras la operación reportada, Kuppusamy poseía 8.338 acciones en propiedad directa, además de 358 acciones indirectamente a través de un fideicomiso y 1.628 acciones en el plan 401(k), cantidad facilitada por el administrador del plan según los saldos actuales de la cuenta.

ì� 공시ëŠ� Quest Diagnostics(DGX)ì� SVP, Clinical Solutionsì� Karthik Kuppusamyì� ë‚´ë¶€ìž� 거래ë¥� 보고합니ë‹�. 2025-08-13ì—� 그는 코드 Fë¡� 실행ë� Quest Diagnostics 보통ì£� 123ì£� 처분ì� 주당 $175.91ì—� 진행했으ë©�, ì‹ ê³ ì¸ì€ ì� 매ê°ì� ì´ë¯¸ 확정ë� 제한 ì£¼ì‹ ë‹¨ìœ„ì� 세금 ì›ì²œì§•수ìš�으로ë§� ì´ë£¨ì–´ì¡Œë‹¤ê³  ë°í˜”습니ë‹�. ë³´ê³ ë� 거래 ì´í›„ KuppusamyëŠ� ì§ì ‘ 보유 8,338ì£�ì™¶Ä ì‹ íƒì� 통한 ê°„ì ‘ 보유 358ì£�, 그리ê³� 401(k) 플랜ì—� 보유ë� 1,628ì£�ë¥� 보유하고 있으ë©�, 401(k) 수치ëŠ� 플랜 관리ìžì—� ì˜í•´ 현재 계좌 잔액ì� 기준으로 제공ë˜ì—ˆìŠµë‹ˆë‹�.

Le dépôt signale une opération d'initié réalisée par Karthik Kuppusamy, SVP Clinical Solutions chez Quest Diagnostics (DGX). Le 13/08/2025, il a procédé à une cession de 123 actions ordinaires de Quest Diagnostics exécutée sous le code F au prix de 175,91 $ par action ; le déclarant indique que cette vente a été effectuée uniquement pour couvrir la retenue fiscale sur des unités d'actions restreintes acquises. Après la transaction signalée, Kuppusamy détenait 8 338 actions en propriété directe, plus 358 actions indirectement via une fiducie et 1 628 actions détenues dans le plan 401(k), le montant 401(k) ayant été fourni par l'administrateur du plan sur la base des soldes de comptes actuels.

Die Meldung berichtet über Insider-Aktivitäten von Karthik Kuppusamy, SVP Clinical Solutions bei Quest Diagnostics (DGX). Am 13.08.2025 veräußerte er unter dem Code F 123 Aktien der Quest Diagnostics-Stammaktien zu einem Preis von $175,91 je Aktie; der Einreicher gibt an, dass der Verkauf ausschließlich zur Deckung der Steuerabzüge auf ausgeübte Restricted Stock Units erfolgt sei. Nach der gemeldeten Transaktion besaß Kuppusamy 8.338 Aktien direkt, zusätzlich 358 Aktien indirekt über einen Trust und 1.628 Aktien im 401(k)-Plan, wobei der 401(k)-Betrag vom Planadministrator auf Grundlage der aktuellen Kontostände angegeben wurde.

Positive
  • Insider retains meaningful direct ownership of 8,338 shares, indicating continued alignment with shareholder interests
  • Additional indirect holdings include 358 shares via trust and 1,628 shares in the 401(k) plan, showing ongoing participation in company equity programs
Negative
  • Disposition of 123 shares was recorded, though the filing states this was solely to satisfy tax withholding obligations

Insights

TL;DR: Small, non-discretionary sale to satisfy tax withholding; insider retains meaningful direct and indirect holdings.

The transaction code F and the filing explanation indicate this was a routine disposition to cover tax obligations arising from RSU vesting rather than a voluntary opportunistic sale. The amount disposed (123 shares) at $175.91 is modest relative to the reported direct holding of 8,338 shares. Holdings also include shares in a trust (358) and a 401(k) allocation (1,628), which suggests ongoing equity ownership alignment with company performance. This filing is informational and not materially transformative for investors.

TL;DR: Filing documents routine tax-withholding sale and confirms continued insider exposure to company stock.

The explanatory notes explicitly state the disposition was solely to cover tax withholding from RSU vesting, which supports customary corporate governance practices for equity compensation. The use of an attorney-in-fact signature is noted and appears administrative. No indication of accelerated selling, option exercises, or derivative transactions is present. From a governance perspective, the report documents compliance with Section 16 reporting requirements and preserves transparency about insider ownership levels.

La comunicazione riporta un'operazione insider effettuata da Karthik Kuppusamy, SVP Clinical Solutions presso Quest Diagnostics (DGX). In data 13/08/2025 ha effettuato una cessione di 123 azioni ordinarie di Quest Diagnostics, eseguita con codice F al prezzo di $175,91 per azione; il dichiarante precisa che la vendita è stata fatta esclusivamente per coprire il prelievo fiscale su stock unit già maturate. Dopo la transazione segnalata, Kuppusamy deteneva 8.338 azioni direttamente, oltre a 358 azioni indirettamente tramite un trust e 1.628 azioni nel piano 401(k), importo fornito dall'amministratore del piano in base ai saldi correnti del conto.

El informe comunica una operación de insider realizada por Karthik Kuppusamy, SVP de Clinical Solutions en Quest Diagnostics (DGX). El 13/08/2025 tuvo una disposición de 123 acciones ordinarias de Quest Diagnostics ejecutada bajo el código F a $175.91 por acción; el declarante indica que la venta se realizó únicamente para cubrir la retención fiscal sobre unidades restringidas de acciones ya consolidadas. Tras la operación reportada, Kuppusamy poseía 8.338 acciones en propiedad directa, además de 358 acciones indirectamente a través de un fideicomiso y 1.628 acciones en el plan 401(k), cantidad facilitada por el administrador del plan según los saldos actuales de la cuenta.

ì� 공시ëŠ� Quest Diagnostics(DGX)ì� SVP, Clinical Solutionsì� Karthik Kuppusamyì� ë‚´ë¶€ìž� 거래ë¥� 보고합니ë‹�. 2025-08-13ì—� 그는 코드 Fë¡� 실행ë� Quest Diagnostics 보통ì£� 123ì£� 처분ì� 주당 $175.91ì—� 진행했으ë©�, ì‹ ê³ ì¸ì€ ì� 매ê°ì� ì´ë¯¸ 확정ë� 제한 ì£¼ì‹ ë‹¨ìœ„ì� 세금 ì›ì²œì§•수ìš�으로ë§� ì´ë£¨ì–´ì¡Œë‹¤ê³  ë°í˜”습니ë‹�. ë³´ê³ ë� 거래 ì´í›„ KuppusamyëŠ� ì§ì ‘ 보유 8,338ì£�ì™¶Ä ì‹ íƒì� 통한 ê°„ì ‘ 보유 358ì£�, 그리ê³� 401(k) 플랜ì—� 보유ë� 1,628ì£�ë¥� 보유하고 있으ë©�, 401(k) 수치ëŠ� 플랜 관리ìžì—� ì˜í•´ 현재 계좌 잔액ì� 기준으로 제공ë˜ì—ˆìŠµë‹ˆë‹�.

Le dépôt signale une opération d'initié réalisée par Karthik Kuppusamy, SVP Clinical Solutions chez Quest Diagnostics (DGX). Le 13/08/2025, il a procédé à une cession de 123 actions ordinaires de Quest Diagnostics exécutée sous le code F au prix de 175,91 $ par action ; le déclarant indique que cette vente a été effectuée uniquement pour couvrir la retenue fiscale sur des unités d'actions restreintes acquises. Après la transaction signalée, Kuppusamy détenait 8 338 actions en propriété directe, plus 358 actions indirectement via une fiducie et 1 628 actions détenues dans le plan 401(k), le montant 401(k) ayant été fourni par l'administrateur du plan sur la base des soldes de comptes actuels.

Die Meldung berichtet über Insider-Aktivitäten von Karthik Kuppusamy, SVP Clinical Solutions bei Quest Diagnostics (DGX). Am 13.08.2025 veräußerte er unter dem Code F 123 Aktien der Quest Diagnostics-Stammaktien zu einem Preis von $175,91 je Aktie; der Einreicher gibt an, dass der Verkauf ausschließlich zur Deckung der Steuerabzüge auf ausgeübte Restricted Stock Units erfolgt sei. Nach der gemeldeten Transaktion besaß Kuppusamy 8.338 Aktien direkt, zusätzlich 358 Aktien indirekt über einen Trust und 1.628 Aktien im 401(k)-Plan, wobei der 401(k)-Betrag vom Planadministrator auf Grundlage der aktuellen Kontostände angegeben wurde.

SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
KUPPUSAMY KARTHIK

(Last) (First) (Middle)
500 PLAZA DRIVE
C/O QUEST DIAGNOSTICS INC

(Street)
SECAUCUS NJ 07094

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
QUEST DIAGNOSTICS INC [ DGX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
X Officer (give title below) Other (specify below)
SVP, Clinical Solutions
3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/13/2025 F 123(1) D $175.91 8,338(2) D
Common Stock 358 I By Trust
Common Stock 1,628(3) I 401(k)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Disposition of common stock to the issuer solely to cover tax withholding obligations arising from the vesting of restricted stock units.
2. The amount includes exempt purchases made under the Company's stock purchase plan since the date of the last filing on Form 4.
3. 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.
Remarks:
Sean D. Mersten, Attorney in Fact for Karthik Kuppusamy 08/15/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Karthik Kuppusamy report on Form 4 for DGX?

He reported a disposition of 123 shares on 08/13/2025 executed under code F at a price of $175.91 per share.

Why were the 123 shares disposed according to the Form 4?

The filing states the shares were surrendered to the issuer solely to cover tax withholding obligations arising from the vesting of restricted stock units.

How many Quest Diagnostics shares does the reporting person beneficially own after the transaction?

8,338 shares directly, plus 358 shares indirectly via a trust, and 1,628 shares in the company 401(k) plan.

Does the Form 4 report any derivative transactions or option exercises?

No. Table II shows no derivative securities acquired, disposed of, or beneficially owned in this filing.

Who signed the Form 4 on behalf of Karthik Kuppusamy?

Sean D. Mersten, Attorney in Fact, signed the form on 08/15/2025.
Quest Diagnostics Inc

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20.02B
111.32M
0.4%
95.24%
4.09%
Diagnostics & Research
Services-medical Laboratories
United States
SECAUCUS