Mark E. Delaney

CIK: 0001955265

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (17.9%)

Position reduction

Option Exercises (M)2 (7.1%)

Derivative conversions

Awards (A)5 (17.9%)

Compensation grants

Other (G, F, J, C, D, …)16 (57.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

DGX

QUEST DIAGNOSTICS INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (28 total)

DGX
QUEST DIAGNOSTICS INC
Oct 21, 2026
Small Acquisition(L)
Direct
25 shares at avg. $235.94$6K
DGX
QUEST DIAGNOSTICS INC
Jul 28, 2026
Sale(S)
Direct
1.6K shares at avg. $235.18$376K
DGX
QUEST DIAGNOSTICS INC
Jul 22, 2026
Small Acquisition(L)
Direct
34 shares at avg. $206.81$7K
DGX
QUEST DIAGNOSTICS INC
Apr 20, 2026
Small Acquisition(L)
Direct
37 shares at avg. $194.70$7K
DGX
QUEST DIAGNOSTICS INC
Mar 4, 2026
Tax Payment(F)
Direct
2.3K shares at avg. $204.86$477K
DGX
QUEST DIAGNOSTICS INC
Mar 4, 2026
Award(A)
Direct
5.7K shares at avg. $204.86$1.2M
DGX
QUEST DIAGNOSTICS INC
Mar 2, 2026
Tax Payment(F)
Direct
188 shares at avg. $204.86$39K
DGX
QUEST DIAGNOSTICS INC
Feb 18, 2026
Tax Payment(F)
Direct
205 shares at avg. $210.01$43K
DGX
QUEST DIAGNOSTICS INC
Feb 18, 2026
Award(A)
Direct
1.6K shares-
DGX
QUEST DIAGNOSTICS INC
Feb 18, 2026
Tax Payment(F)
Direct
230 shares at avg. $206.99$48K
DGX
QUEST DIAGNOSTICS INC
Jan 28, 2026
Small Acquisition(L)
Direct
15 shares at avg. $183.51$3K
DGX
QUEST DIAGNOSTICS INC
Nov 18, 2025
Exercise(M)
Direct
7.8K shares at avg. $144.47$1.1M
DGX
QUEST DIAGNOSTICS INC
Nov 18, 2025
Sale(S)
Direct
7.9K shares at avg. $187.35$1.5M
DGX
QUEST DIAGNOSTICS INC
Nov 18, 2025
Exercise(M)
Direct
100 shares at avg. $143.33$14K
DGX
QUEST DIAGNOSTICS INC
Oct 21, 2025
Award(A)
Direct
15 shares at avg. $189.08$3K
DGX
QUEST DIAGNOSTICS INC
Jul 21, 2025
Small Acquisition(L)
Direct
17 shares at avg. $167.49$3K
DGX
QUEST DIAGNOSTICS INC
May 13, 2025
Sale(S)
Direct
874 shares at avg. $175.31$153K
DGX
QUEST DIAGNOSTICS INC
May 12, 2025
Sale(S)
Direct
874 shares at avg. $175.72$154K
DGX
QUEST DIAGNOSTICS INC
Apr 21, 2025
Small Acquisition(L)
Direct
25 shares at avg. $164.42$4K
DGX
QUEST DIAGNOSTICS INC
Mar 26, 2025
Tax Payment(F)
Direct
256 shares at avg. $166.71$43K
DGX
QUEST DIAGNOSTICS INC
Mar 4, 2025
Award(A)
Direct
5.3K shares at avg. $173.74$924K
DGX
QUEST DIAGNOSTICS INC
Mar 4, 2025
Tax Payment(F)
Direct
1.8K shares at avg. $173.74$317K
DGX
QUEST DIAGNOSTICS INC
Feb 26, 2025
Tax Payment(F)
Direct
214 shares at avg. $171.75$37K
DGX
QUEST DIAGNOSTICS INC
Feb 19, 2025
Tax Payment(F)
Direct
242 shares at avg. $169.71$41K
DGX
QUEST DIAGNOSTICS INC
Feb 12, 2025
Award(A)
Direct
1.8K shares-

		Type	Shares	Price		Ownership
Oct 21, 2026	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	25	$235.94	$5,899	Direct
Jul 28, 2026	DGX QUEST DIAGNOSTICS INC	Sale(S)	1,600	$235.18	$376,288	Direct
Jul 22, 2026	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	34	$206.81	$7,031	Direct
Apr 20, 2026	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	37	$194.70	$7,204	Direct
Mar 4, 2026	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	2,326	$204.86	$476,504	Direct
Mar 4, 2026	DGX QUEST DIAGNOSTICS INC	Award(A)	5,682	$204.86	$1,164,015	Direct
Mar 2, 2026	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	188	$204.86	$38,514	Direct
Feb 18, 2026	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	205	$210.01	$43,052	Direct
Feb 18, 2026	DGX QUEST DIAGNOSTICS INC	Award(A)	1,586	-	$0	Direct
Feb 18, 2026	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	230	$206.99	$47,608	Direct
Jan 28, 2026	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	15	$183.51	$2,753	Direct
Nov 18, 2025	DGX QUEST DIAGNOSTICS INC	Exercise(M)	7,846	$144.47	$1,133,512	Direct
Nov 18, 2025	DGX QUEST DIAGNOSTICS INC	Sale(S)	7,946	$187.35	$1,488,683	Direct
Nov 18, 2025	DGX QUEST DIAGNOSTICS INC	Exercise(M)	100	$143.33	$14,333	Direct
Oct 21, 2025	DGX QUEST DIAGNOSTICS INC	Award(A)	15	$189.08	$2,836	Direct
Jul 21, 2025	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	17	$167.49	$2,847	Direct
May 13, 2025	DGX QUEST DIAGNOSTICS INC	Sale(S)	874	$175.31	$153,221	Direct
May 12, 2025	DGX QUEST DIAGNOSTICS INC	Sale(S)	874	$175.72	$153,579	Direct
Apr 21, 2025	DGX QUEST DIAGNOSTICS INC	Small Acquisition(L)	25	$164.42	$4,111	Direct
Mar 26, 2025	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	256	$166.71	$42,678	Direct
Mar 4, 2025	DGX QUEST DIAGNOSTICS INC	Award(A)	5,317	$173.74	$923,776	Direct
Mar 4, 2025	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	1,823	$173.74	$316,728	Direct
Feb 26, 2025	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	214	$171.75	$36,755	Direct
Feb 19, 2025	DGX QUEST DIAGNOSTICS INC	Tax Payment(F)	242	$169.71	$41,070	Direct
Feb 12, 2025	DGX QUEST DIAGNOSTICS INC	Award(A)	1,815	-	-	Direct

1-25 of 28 transactions

About DELANEY MARK E

DELANEY MARK E (SEC CIK 0001955265) files insider reports with the SEC as SVP & Chief Commercial Officer of QUEST DIAGNOSTICS INC (DGX).

Signal8 holds 20 ownership filings by DELANEY MARK E, all Form 4s, filed between Oct 25, 2024 and Oct 23, 2026. Those filings report 28 transactions, from Oct 21, 2024 to Oct 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on DELANEY MARK E's filings is in SECAUCUS, NJ.

Recent filings by DELANEY MARK E

Oct 21, 2026: Small acquisition transaction of DGX shares (Form 4, code L).
Jul 28, 2026: Open-market sale of DGX shares (Form 4, code S).
Jul 22, 2026: Small acquisition transaction of DGX shares (Form 4, code L).
Apr 20, 2026: Small acquisition transaction of DGX shares (Form 4, code L).
Mar 4, 2026: Tax withholding of DGX shares (Form 4, code F).

Other insiders filing for QUEST DIAGNOSTICS INC (DGX)

PFEIFFER GARY M, Director
CARTER ROBERT B, Director
SAMAD SAM, Executive Vice President & CFO
Gregg Vicky B, Director
KUPPUSAMY KARTHIK, SVP, Clinical Solutions
Lassiter Wright III, Director

How to read Form 4 transaction codes