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$DGX

$195.10 +$1.94 (1.0%)

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Insider Transactions

Insider Transaction Summary

STEPHEN H RUSCKOWSKI

389,597 shares

Net: 0 B/S: -

J. E. Davis

142,423 shares

Net: +64,339 B/S: 6.34

Jon R Cohen

115,426 shares

Net: 0 B/S: -

MARK GUINAN

98,981 shares

Net: 0 B/S: -

Catherine T. Doherty

67,122 shares

Net: +15,374 B/S: 2.22

MANNER CARRIE EGLINTON

48,391 shares

Net: 0 B/S: -

Everett Cunningham

38,311 shares

Net: 0 B/S: -

MICHAEL E PREVOZNIK

37,557 shares

Net: -69 B/S: 1.11

Michael J Deppe

35,196 shares

Net: +918 B/S: ∞

MICHAEL J DEPPE

34,365 shares

Net: 0 B/S: -

DANIEL STANZIONE

33,951 shares

Net: 0 B/S: -

SAM SAMAD

33,376 shares

Net: +7,935 B/S: ∞

Manuel O. Mendez

29,045 shares

Net: 0 B/S: -

TIMOTHY L MAIN

26,297 shares

Net: 0 B/S: -

GAIL R WILENSKY

20,506 shares

Net: 0 B/S: -

Vicky B Gregg

17,172 shares

Net: -966 B/S: 0.23

TIMOTHY M RING

17,036 shares

Net: +469 B/S: ∞

JOHN B ZIEGLER

16,557 shares

Net: 0 B/S: -

Patrick Plewman

15,247 shares

Net: -3,617 B/S: 0.99

JENNE K BRITELL

14,479 shares

Net: 0 B/S: -

KARTHIK KUPPUSAMY

13,490 shares

Net: +3,014 B/S: 1.46

JOHN C MD BALDWIN

12,949 shares

Net: 0 B/S: -

MARK E DELANEY

11,901 shares

Net: +4,533 B/S: 1.91

DENISE M MORRISON

10,742 shares

Net: 0 B/S: -

Wright III Lassiter

9,063 shares

Net: +337 B/S: ∞

Tracey Doi

6,490 shares

Net: 0 B/S: -

Robert A Klug

6,261 shares

Net: 0 B/S: -

Helen Torley

6,260 shares

Net: 0 B/S: -

JEFFREY M LEIDEN

6,000 shares

Net: 0 B/S: -

MARK A GARDNER

4,673 shares

Net: 0 B/S: -

Luis Diaz

4,054 shares

Net: 0 B/S: -

ROBERT B CARTER

2,711 shares

Net: +26 B/S: ∞

TIMOTHY C WENTWORTH

198 shares

Net: +413 B/S: ∞

GARY M PFEIFFER

0 shares

Net: -5,895 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
STEPHEN H RUSCKOWSKI	389,597	0	-
J. E. Davis	142,423	+64,339	6.34
Jon R Cohen	115,426	0	-
MARK GUINAN	98,981	0	-
Catherine T. Doherty	67,122	+15,374	2.22
MANNER CARRIE EGLINTON	48,391	0	-
Everett Cunningham	38,311	0	-
MICHAEL E PREVOZNIK	37,557	-69	1.11
Michael J Deppe	35,196	+918	∞
MICHAEL J DEPPE	34,365	0	-
DANIEL STANZIONE	33,951	0	-
SAM SAMAD	33,376	+7,935	∞
Manuel O. Mendez	29,045	0	-
TIMOTHY L MAIN	26,297	0	-
GAIL R WILENSKY	20,506	0	-
Vicky B Gregg	17,172	-966	0.23
TIMOTHY M RING	17,036	+469	∞
JOHN B ZIEGLER	16,557	0	-
Patrick Plewman	15,247	-3,617	0.99
JENNE K BRITELL	14,479	0	-
KARTHIK KUPPUSAMY	13,490	+3,014	1.46
JOHN C MD BALDWIN	12,949	0	-
MARK E DELANEY	11,901	+4,533	1.91
DENISE M MORRISON	10,742	0	-
Wright III Lassiter	9,063	+337	∞
Tracey Doi	6,490	0	-
Robert A Klug	6,261	0	-
Helen Torley	6,260	0	-
JEFFREY M LEIDEN	6,000	0	-
MARK A GARDNER	4,673	0	-
Luis Diaz	4,054	0	-
ROBERT B CARTER	2,711	+26	∞
TIMOTHY C WENTWORTH	198	+413	∞
GARY M PFEIFFER	0	-5,895	-

Individual Transactions

April 20, 2026

MARK E DELANEY

Small Acquisition

Change: +37

Price: $194.70

Shares: 11,901

Value: +$7,203

KARTHIK KUPPUSAMY

Small Acquisition

Change: +39

Price: $194.70

Shares: 13,490

Value: +$7,593

Wright III Lassiter

Small Acquisition

Change: +6

Price: $194.70

Shares: 9,063

Value: +$1,168

ROBERT B CARTER

Small Acquisition

Change: +7

Price: $194.70

Shares: 2,711

Value: +$1,362

Vicky B Gregg

Grant/Award Acquisition

Change: +68

Price: $194.70

Shares: 17,172

Value: +$13,239

Patrick Plewman

Small Acquisition

Change: +49

Price: $194.70

Shares: 15,247

Value: +$9,540

SAM SAMAD

Grant/Award Acquisition

Change: +108

Price: $194.70

Shares: 33,376

Value: +$21,027

Insider	Filing Date	Transaction	Shares	Change	Price	Value
MARK E DELANEY	Apr 24	Small Acquisition (L) Regulatory Reporting	11,901	+37	$194.70	+$7,203
KARTHIK KUPPUSAMY	Apr 24	Small Acquisition (L) Regulatory Reporting	13,490	+39	$194.70	+$7,593
Wright III Lassiter	Apr 24	Small Acquisition (L) Regulatory Reporting	9,063	+6	$194.70	+$1,168
ROBERT B CARTER	Apr 24	Small Acquisition (L) Regulatory Reporting	2,711	+7	$194.70	+$1,362
Vicky B Gregg	Apr 24	Grant/Award Acquisition (A) Compensation/Award	17,172	+68	$194.70	+$13,239
Patrick Plewman	Apr 24	Small Acquisition (L) Regulatory Reporting	15,247	+49	$194.70	+$9,540
SAM SAMAD	Apr 24	Grant/Award Acquisition (A) Compensation/Award	33,376	+108	$194.70	+$21,027

April 01, 2026

TIMOTHY C WENTWORTH

Grant/Award Acquisition

Change: +198

Price: $0.00

Shares: 198

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
TIMOTHY C WENTWORTH	Apr 02	Grant/Award Acquisition (A) Compensation/Award	198	+198	$0.00	+$0

March 09, 2026

TIMOTHY C WENTWORTH

Grant/Award Acquisition

Change: +215

Price: $0.00

Shares: 215

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
TIMOTHY C WENTWORTH	Mar 11	Grant/Award Acquisition (A) Compensation/Award	215	+215	$0.00	+$0

March 05, 2026

Catherine T. Doherty

Open Market Sale

Change: -5,558

Price: $206.21

Shares: 67,122

Value: -$1,146,115

MICHAEL E PREVOZNIK

Open Market Sale

Change: -3,878

Price: $206.21

Shares: 37,557

Value: -$799,682

Patrick Plewman

Open Market Sale

Change: -2,855

Price: $206.21

Shares: 15,198

Value: -$588,729

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Catherine T. Doherty	Mar 06	Open Market Sale (S) Market Sale	67,122	-5,558	$206.21	-$1,146,115
MICHAEL E PREVOZNIK	Mar 06	Open Market Sale (S) Market Sale	37,557	-3,878	$206.21	-$799,682
Patrick Plewman	Mar 06	Open Market Sale (S) Market Sale	15,198	-2,855	$206.21	-$588,729

March 04, 2026

SAM SAMAD

Tax Payment

Change: -7,720

Price: $204.86

Shares: 33,268

Value: -$1,581,519

SAM SAMAD

Grant/Award Acquisition

Change: +13,947

Price: $204.86

Shares: 40,988

Value: +$2,857,182

Catherine T. Doherty

Tax Payment

Change: -5,806

Price: $204.86

Shares: 72,680

Value: -$1,189,417

Catherine T. Doherty

Grant/Award Acquisition

Change: +11,364

Price: $204.86

Shares: 78,486

Value: +$2,328,029

MARK E DELANEY

Tax Payment

Change: -2,326

Price: $204.86

Shares: 11,864

Value: -$476,504

MARK E DELANEY

Grant/Award Acquisition

Change: +5,682

Price: $204.86

Shares: 14,190

Value: +$1,164,014

MICHAEL E PREVOZNIK

Tax Payment

Change: -3,354

Price: $204.86

Shares: 41,435

Value: -$687,100

MICHAEL E PREVOZNIK

Grant/Award Acquisition

Change: +7,232

Price: $204.86

Shares: 44,789

Value: +$1,481,547

Insider	Filing Date	Transaction	Shares	Change	Price	Value
SAM SAMAD	Mar 06	Tax Payment (F) Tax Payment	33,268	-7,720	$204.86	-$1,581,519
SAM SAMAD	Mar 06	Grant/Award Acquisition (A) Compensation/Award	40,988	+13,947	$204.86	+$2,857,182
Catherine T. Doherty	Mar 06	Tax Payment (F) Tax Payment	72,680	-5,806	$204.86	-$1,189,417
Catherine T. Doherty	Mar 06	Grant/Award Acquisition (A) Compensation/Award	78,486	+11,364	$204.86	+$2,328,029
MARK E DELANEY	Mar 06	Tax Payment (F) Tax Payment	11,864	-2,326	$204.86	-$476,504
MARK E DELANEY	Mar 06	Grant/Award Acquisition (A) Compensation/Award	14,190	+5,682	$204.86	+$1,164,014
MICHAEL E PREVOZNIK	Mar 06	Tax Payment (F) Tax Payment	41,435	-3,354	$204.86	-$687,100
MICHAEL E PREVOZNIK	Mar 06	Grant/Award Acquisition (A) Compensation/Award	44,789	+7,232	$204.86	+$1,481,547