DGX
Quest Diagnostics Incorporated$203.41-0.45 (-0.22%)Prev Close$203.83·MCap$21.83B·P/E23.25·Vol512.7K·Yield0.02%
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
40
$45.43M
◆
Net Activity
Net Seller
$45.43M
●
Active Insiders
12
last 12 mo
Over the past 12 months, insider activity at Quest Diagnostics Incorporated (DGX) has been exclusively selling, with 0 insider purchases totaling $0.00 and 40 insider sales totaling $45.43M. The most recent insider transaction was by KUPPUSAMY KARTHIK (officer: SVP, Clinical Solutions), who sold $1.63M worth of shares on Jun 8, 2026. Quest Diagnostics Incorporated operates in the Healthcare sector, within the Medical - Diagnostics & Research industry, with a market cap of $21.83B.
DGX Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | KUPPUSAMY KARTHIK | officer: SVP, Clinical Solutions | Sell | 8,147 | $200.00 | $1.63M | 13,510-38% |
| Jun 2, 2026 | Davis J. E. | director, officer: CEO and President | Sell | 10,000 | $194.14 | $1.94M | 132,423 |
| Mar 6, 2026 | Doherty Catherine T. | officer: EVP, Regional Businesses | Sell | 5,558 | $206.21 | $1.15M | 67,122 |
| Mar 6, 2026 | KUPPUSAMY KARTHIK | officer: SVP, Clinical Solutions | Sell | 2,628 | $204.86 | $538.4K | 13,441 |
| Mar 6, 2026 | Plewman Patrick | officer: SVP for Diagnostic Services | Sell | 2,855 | $206.21 | $588.7K | 15,198 |
| Mar 6, 2026 | PREVOZNIK MICHAEL E | officer: SVP & General Counsel | Sell | 3,878 | $206.21 | $799.7K | 37,557 |
| Feb 18, 2026 | Davis J. E. | CEO and President | Sell | 6,184 | $208.16 | $1.29M | 0 |
| Feb 18, 2026 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 450 | $207.58 | $93.4K | 0 |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Sell | 182 | $208.37 | $37.9K | 0 |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell | 2,594 | $206.30 | $535.1K | 0 |
| Feb 18, 2026 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 527 | $207.72 | $109.5K | 0 |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,495 | $206.10 | $308.1K | 0 |
| Feb 18, 2026 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 1,759 | $206.14 | $362.6K | 0 |
| Feb 18, 2026 | SAMAD SAM | Executive Vice President & CFO | Sell | 1,865 | $208.37 | $388.6K | 0 |
| Feb 17, 2026 | Doherty Catherine T. | officer: EVP, Regional Businesses | Sell | 26,165 | $206.15 | $5.39M | 83,660 |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell | 26,165 | $206.15 | $5.39M | 0 |
| Jan 28, 2026 | CARTER ROBERT B | Director | Sell | 6 | $183.51 | $1.1K | 0 |
| Jan 28, 2026 | Gregg Vicky B | Director | Sell | 67 | $183.51 | $12.3K | 0 |
| Jan 28, 2026 | Lassiter Wright III | Director | Sell | 7 | $183.51 | $1.3K | 0 |
| Jan 28, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell | 5,662 | $204.00 | $1.16M | 0 |
| Nov 28, 2025 | Davis J. E. | CEO and President | Sell | 55,093 | $192.22 | $10.59M | 0 |
| Nov 28, 2025 | Gregg Vicky B | Director | Sell | 1,250 | $191.76 | $239.7K | 0 |
| Nov 20, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 7,946 | $187.35 | $1.49M | 0 |
| Nov 7, 2025 | Davis J. E. | CEO and President | Sell | 7,143 | $175.57 | $1.25M | 0 |
| Oct 24, 2025 | PFEIFFER GARY M | Director | Sell | 1,482 | $182.40 | $270.3K | 0 |
| Sep 30, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 227 | $188.13 | $42.7K | 0 |
| Sep 25, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 28,463 | $187.12 | $5.33M | 0 |
| Aug 25, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,975 | $185.00 | $365.4K | 0 |
| Aug 21, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 4,532 | $183.00 | $829.4K | 0 |
| Aug 19, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,975 | $180.00 | $355.5K | 0 |
| Aug 15, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 123 | $175.91 | $21.6K | 0 |
| Aug 8, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 5,535 | $175.00 | $968.6K | 0 |
| Aug 1, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 10,479 | $167.95 | $1.76M | 0 |
| Jul 25, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 17 | $167.49 | $2.8K | 0 |
| Jul 25, 2025 | Gregg Vicky B | Director | Sell | 79 | $167.49 | $13.2K | 0 |
| Jul 25, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 27 | $167.50 | $4.5K | 0 |
| Jul 25, 2025 | Lassiter Wright III | Director | Sell | 7 | $167.50 | $1.2K | 0 |
| Jul 25, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 80 | $167.49 | $13.4K | 0 |
| Jul 25, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 72 | $167.50 | $12.1K | 0 |
| Jul 17, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 850 | $169.01 | $143.7K | 0 |
| May 14, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 1,748 | $175.51 | $306.8K | 0 |
| May 2, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 25 | $164.42 | $4.1K | 0 |
| May 2, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 27 | $164.42 | $4.4K | 0 |
| May 2, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 81 | $164.42 | $13.3K | 0 |
| May 2, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 74 | $164.42 | $12.2K | 0 |
| Apr 4, 2025 | Davis J. E. | CEO and President | Sell | 39,191 | $168.46 | $6.60M | 0 |
| Apr 4, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 2,555 | $170.00 | $434.4K | 0 |
| Mar 28, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 256 | $166.71 | $42.7K | 0 |
| Mar 28, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 162 | $166.71 | $27.0K | 0 |
| Mar 19, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 4,643 | $170.00 | $789.3K | 0 |
Showing 1–50 of 213
1 / 5
DGX Insider Buying Activity
The following table shows recent insider purchases of Quest Diagnostics Incorporated (DGX) stock reported via SEC Form 4 filings.
No insider buying activity found for DGX in the last 12 months.
DGX Insider Selling Activity
The following table shows recent insider sales of Quest Diagnostics Incorporated (DGX) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | KUPPUSAMY KARTHIK | officer: SVP, Clinical Solutions | Sell | 8,147 | $200.00 | $1.63M | 13,510-38% |
| Jun 2, 2026 | Davis J. E. | director, officer: CEO and President | Sell | 10,000 | $194.14 | $1.94M | 132,423 |
| Mar 6, 2026 | Doherty Catherine T. | officer: EVP, Regional Businesses | Sell | 5,558 | $206.21 | $1.15M | 67,122 |
| Mar 6, 2026 | KUPPUSAMY KARTHIK | officer: SVP, Clinical Solutions | Sell | 2,628 | $204.86 | $538.4K | 13,441 |
| Mar 6, 2026 | Plewman Patrick | officer: SVP for Diagnostic Services | Sell | 2,855 | $206.21 | $588.7K | 15,198 |
| Mar 6, 2026 | PREVOZNIK MICHAEL E | officer: SVP & General Counsel | Sell | 3,878 | $206.21 | $799.7K | 37,557 |
| Feb 18, 2026 | Davis J. E. | CEO and President | Sell | 6,184 | $208.16 | $1.29M | 0 |
| Feb 18, 2026 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 450 | $207.58 | $93.4K | 0 |
| Feb 18, 2026 | Deppe Michael J | SVP, Corp. Controller & CAO | Sell | 182 | $208.37 | $37.9K | 0 |
| Feb 18, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell | 2,594 | $206.30 | $535.1K | 0 |
| Feb 18, 2026 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 527 | $207.72 | $109.5K | 0 |
| Feb 18, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,495 | $206.10 | $308.1K | 0 |
| Feb 18, 2026 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 1,759 | $206.14 | $362.6K | 0 |
| Feb 18, 2026 | SAMAD SAM | Executive Vice President & CFO | Sell | 1,865 | $208.37 | $388.6K | 0 |
| Feb 17, 2026 | Doherty Catherine T. | officer: EVP, Regional Businesses | Sell | 26,165 | $206.15 | $5.39M | 83,660 |
| Feb 13, 2026 | Doherty Catherine T. | EVP, Regional Businesses | Sell | 26,165 | $206.15 | $5.39M | 0 |
| Jan 28, 2026 | CARTER ROBERT B | Director | Sell | 6 | $183.51 | $1.1K | 0 |
| Jan 28, 2026 | Gregg Vicky B | Director | Sell | 67 | $183.51 | $12.3K | 0 |
| Jan 28, 2026 | Lassiter Wright III | Director | Sell | 7 | $183.51 | $1.3K | 0 |
| Jan 28, 2026 | Plewman Patrick | SVP for Diagnostic Services | Sell | 5,662 | $204.00 | $1.16M | 0 |
| Nov 28, 2025 | Davis J. E. | CEO and President | Sell | 55,093 | $192.22 | $10.59M | 0 |
| Nov 28, 2025 | Gregg Vicky B | Director | Sell | 1,250 | $191.76 | $239.7K | 0 |
| Nov 20, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 7,946 | $187.35 | $1.49M | 0 |
| Nov 7, 2025 | Davis J. E. | CEO and President | Sell | 7,143 | $175.57 | $1.25M | 0 |
| Oct 24, 2025 | PFEIFFER GARY M | Director | Sell | 1,482 | $182.40 | $270.3K | 0 |
| Sep 30, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 227 | $188.13 | $42.7K | 0 |
| Sep 25, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 28,463 | $187.12 | $5.33M | 0 |
| Aug 25, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,975 | $185.00 | $365.4K | 0 |
| Aug 21, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 4,532 | $183.00 | $829.4K | 0 |
| Aug 19, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 1,975 | $180.00 | $355.5K | 0 |
| Aug 15, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 123 | $175.91 | $21.6K | 0 |
| Aug 8, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 5,535 | $175.00 | $968.6K | 0 |
| Aug 1, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 10,479 | $167.95 | $1.76M | 0 |
| Jul 25, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 17 | $167.49 | $2.8K | 0 |
| Jul 25, 2025 | Gregg Vicky B | Director | Sell | 79 | $167.49 | $13.2K | 0 |
| Jul 25, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 27 | $167.50 | $4.5K | 0 |
| Jul 25, 2025 | Lassiter Wright III | Director | Sell | 7 | $167.50 | $1.2K | 0 |
| Jul 25, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 80 | $167.49 | $13.4K | 0 |
| Jul 25, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 72 | $167.50 | $12.1K | 0 |
| Jul 17, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 850 | $169.01 | $143.7K | 0 |
| May 14, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 1,748 | $175.51 | $306.8K | 0 |
| May 2, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 25 | $164.42 | $4.1K | 0 |
| May 2, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 27 | $164.42 | $4.4K | 0 |
| May 2, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 81 | $164.42 | $13.3K | 0 |
| May 2, 2025 | SAMAD SAM | Executive Vice President & CFO | Sell | 74 | $164.42 | $12.2K | 0 |
| Apr 4, 2025 | Davis J. E. | CEO and President | Sell | 39,191 | $168.46 | $6.60M | 0 |
| Apr 4, 2025 | KUPPUSAMY KARTHIK | SVP, Clinical Solutions | Sell | 2,555 | $170.00 | $434.4K | 0 |
| Mar 28, 2025 | DELANEY MARK E | SVP & Chief Commercial Officer | Sell | 256 | $166.71 | $42.7K | 0 |
| Mar 28, 2025 | Plewman Patrick | SVP for Diagnostic Services | Sell | 162 | $166.71 | $27.0K | 0 |
| Mar 19, 2025 | PREVOZNIK MICHAEL E | SVP & General Counsel | Sell | 4,643 | $170.00 | $789.3K | 0 |
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