Quest Diagnostics Incorporated
Quest Diagnostics Incorporated (DGX) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · DGX · as of Jun 8, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
35
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Quest Diagnostics Incorporated insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 8, 2026
DGX insider buying and selling by quarter
DGX insider selling · DGX insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 8, 2026
Active insiders
Most active in past 12 months · DGX ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
DGX executive sell shares · DGX board member insider trading · DGX insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Jun 1, 2026 | Davis J. E. CEO and President · Director | Sale | 10,000 | $1.94M⚡ | Form 4 |
| May 20, 2026 | CARTER ROBERT B Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | Gregg Vicky B Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | Diaz Luis Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | MAIN TIMOTHY L Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | WENTWORTH TIMOTHY C Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | Doi Tracey Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | RING TIMOTHY M Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | Lassiter Wright III Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | MORRISON DENISE M Director | Award | 1,142 | — | Form 4 |
| May 20, 2026 | PFEIFFER GARY M Director | Award | 1,142 | — | Form 4 |
| Apr 20, 2026 | SAMAD SAM Executive Vice President & CFO | Award | 108 | $21K | Form 4 |
| Apr 20, 2026 | Plewman Patrick SVP for Diagnostic Services | Other | 49 | $10K | Form 4 |
| Apr 20, 2026 | Gregg Vicky B Director | Award | 68 | $13K | Form 4 |
| Apr 20, 2026 | CARTER ROBERT B Director | Other | 7 | $1K | Form 4 |
| Apr 20, 2026 | Lassiter Wright III Director | Other | 6 | $1K | Form 4 |
| Apr 20, 2026 | KUPPUSAMY KARTHIK SVP, Clinical Solutions | Other | 39 | $8K | Form 4 |
| Apr 20, 2026 | DELANEY MARK E SVP & Chief Commercial Officer | Other | 37 | $7K | Form 4 |
| Mar 9, 2026 | WENTWORTH TIMOTHY C Director | Award | 215 | — | Form 4 |
| Mar 4, 2026 | SAMAD SAM Executive Vice President & CFO | Award | 13,947 | $2.86M⚡ | Form 4 |
| Mar 4, 2026 | SAMAD SAM Executive Vice President & CFO | Other | 7,720 | $1.58M⚡ | Form 4 |
| Mar 4, 2026 | Doherty Catherine T. EVP, Regional Businesses | Award | 11,364 | $2.33M⚡ | Form 4 |
| Mar 4, 2026 | Doherty Catherine T. EVP, Regional Businesses | Other | 5,806 | $1.19M⚡ | Form 4 |
| Mar 5, 2026 | Doherty Catherine T. EVP, Regional Businesses | Sale | 5,558 | $1.15M⚡ | Form 4 |
| Mar 4, 2026 | DELANEY MARK E SVP & Chief Commercial Officer | Award | 5,682 | $1.16M⚡ | Form 4 |
Davis J. E.
CEO and President · Director
Date
Jun 1
Shares
10,000
Price
$194.14
Value
$1.94M ⚡
SAMAD SAM
Executive Vice President & CFO
Date
Apr 20
Shares
108
Price
$194.70
Value
$21K
Plewman Patrick
SVP for Diagnostic Services
Date
Apr 20
Shares
49
Price
$194.70
Value
$10K
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
Date
Apr 20
Shares
39
Price
$194.70
Value
$8K
DELANEY MARK E
SVP & Chief Commercial Officer
Date
Apr 20
Shares
37
Price
$194.70
Value
$7K
SAMAD SAM
Executive Vice President & CFO
Date
Mar 4
Shares
13,947
Price
$204.86
Value
$2.86M ⚡
SAMAD SAM
Executive Vice President & CFO
Date
Mar 4
Shares
7,720
Price
$204.86
Value
$1.58M ⚡
Doherty Catherine T.
EVP, Regional Businesses
Date
Mar 4
Shares
11,364
Price
$204.86
Value
$2.33M ⚡
Doherty Catherine T.
EVP, Regional Businesses
Date
Mar 4
Shares
5,806
Price
$204.86
Value
$1.19M ⚡
Doherty Catherine T.
EVP, Regional Businesses
Date
Mar 5
Shares
5,558
Price
$206.21
Value
$1.15M ⚡
DELANEY MARK E
SVP & Chief Commercial Officer
Date
Mar 4
Shares
5,682
Price
$204.86
Value
$1.16M ⚡
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About DGX insider trading
DGX insider trades
Quest Diagnostics Incorporated (DGX) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Doherty Catherine T. (EVP, Regional Businesses), Plewman Patrick (SVP for Diagnostic Services), PREVOZNIK MICHAEL E (SVP & General Counsel). Over the past 12 months, 5 insiders have filed transactions with the SEC. DGX insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Quest Diagnostics Incorporated's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
DGX insider trading · 5 questionsThe insiders of Quest Diagnostics Incorporated (DGX) include executives and directors such as Doherty Catherine T. (EVP, Regional Businesses), Plewman Patrick (SVP for Diagnostic Services), PREVOZNIK MICHAEL E (SVP & General Counsel), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026