See how company executives and directors have been buying or selling shares over the past 30 days. Insider trading activity can help investors better understand company leadership's actions.
No Insider Transactions found for QUEST DIAGNOSTICS INC
Browse insider buying and selling activity reported to the SEC over the past year, including who traded, when they traded, and the value of each transaction.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Aug 28, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
430 | $244.51 | 430 $244.51 $105,141 |
Aug 28, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
6,237 | $243.63 | 6,237 $243.63 $1,519,505 |
Aug 28, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
16,010 | $242.88 | 16,010 $242.88 $3,888,437 |
Jul 28, 2026 DELANEY MARK E |
DELANEY MARK E
SVP & Chief Commercial Officer
|
Sell |
1,600 | $235.18 | 1,600 $235.18 $376,288 |
Jun 04, 2026 KUPPUSAMY KARTHIK |
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
|
Sell |
8,147 | $200.00 | 8,147 $200.00 $1,629,400 |
Jun 01, 2026 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
10,000 | $194.14 | 10,000 $194.14 $1,941,400 |
Mar 05, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
3,878 | $206.21 | 3,878 $206.21 $799,682 |
Mar 05, 2026 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
2,855 | $206.21 | 2,855 $206.21 $588,730 |
Mar 05, 2026 Doherty Catherine T. |
Doherty Catherine T.
EVP, Regional Businesses
|
Sell |
5,558 | $206.21 | 5,558 $206.21 $1,146,115 |
Mar 04, 2026 KUPPUSAMY KARTHIK |
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
|
Sell |
2,628 | $204.86 | 2,628 $204.86 $538,372 |
Mar 03, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
526 | $207.73 | 526 $207.73 $109,266 |
Mar 03, 2026 Doherty Catherine T. |
Doherty Catherine T.
EVP, Regional Businesses
|
Sell |
632 | $207.73 | 632 $207.73 $131,285 |
Mar 03, 2026 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
410 | $207.73 | 410 $207.73 $85,169 |
Mar 02, 2026 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
10,000 | $212.52 | 10,000 $212.52 $2,125,200 |
Feb 19, 2026 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
1,111 | $204.83 | 1,111 $204.83 $227,566 |
Feb 19, 2026 Doherty Catherine T. |
Doherty Catherine T.
EVP, Regional Businesses
|
Sell |
1,433 | $204.83 | 1,433 $204.83 $293,521 |
Nov 25, 2025 Gregg Vicky B |
Gregg Vicky B
|
Sell |
1,250 | $191.76 | 1,250 $191.76 $239,700 |
Nov 25, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
41,004 | $192.27 | 41,004 $192.27 $7,883,901 |
Nov 25, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
4,747 | $192.97 | 4,747 $192.97 $916,037 |
Nov 25, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
9,342 | $191.59 | 9,342 $191.59 $1,789,823 |
Nov 18, 2025 DELANEY MARK E |
DELANEY MARK E
SVP & Chief Commercial Officer
|
Sell |
7,946 | $187.35 | 7,946 $187.35 $1,488,683 |
View older insider trading records reported to the SEC to research long-term buying and selling trends.
DATE INSIDER |
INSIDER | TYPE | SHARES | PRICE | SHARES PRICE VALUE |
|---|---|---|---|---|---|
Oct 22, 2025 PFEIFFER GARY M |
PFEIFFER GARY M
|
Sell |
1,482 | $182.40 | 1,482 $182.40 $270,317 |
Sep 26, 2025 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
144 | $188.66 | 144 $188.66 $27,167 |
Sep 26, 2025 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
83 | $187.22 | 83 $187.22 $15,539 |
Sep 24, 2025 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
175 | $187.02 | 175 $187.02 $32,729 |
Sep 23, 2025 PREVOZNIK MICHAEL E |
PREVOZNIK MICHAEL E
SVP & General Counsel
|
Sell |
28,288 | $187.12 | 28,288 $187.12 $5,293,313 |
Aug 21, 2025 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
1,975 | $185.00 | 1,975 $185.00 $365,375 |
Aug 19, 2025 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
4,532 | $183.00 | 4,532 $183.00 $829,356 |
Aug 15, 2025 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
1,975 | $180.00 | 1,975 $180.00 $355,500 |
Aug 06, 2025 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
1,975 | $175.00 | 1,975 $175.00 $345,625 |
Aug 06, 2025 Plewman Patrick |
Plewman Patrick
SVP for Diagnostic Services
|
Sell |
3,560 | $175.00 | 3,560 $175.00 $623,000 |
Jul 31, 2025 KUPPUSAMY KARTHIK |
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
|
Sell |
2,210 | $170.00 | 2,210 $170.00 $375,700 |
Jul 30, 2025 KUPPUSAMY KARTHIK |
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
|
Sell |
3,045 | $167.40 | 3,045 $167.40 $509,733 |
Jul 30, 2025 KUPPUSAMY KARTHIK |
KUPPUSAMY KARTHIK
SVP, Clinical Solutions
|
Sell |
5,224 | $167.40 | 5,224 $167.40 $874,498 |
May 13, 2025 DELANEY MARK E |
DELANEY MARK E
SVP & Chief Commercial Officer
|
Sell |
874 | $175.31 | 874 $175.31 $153,221 |
May 12, 2025 DELANEY MARK E |
DELANEY MARK E
SVP & Chief Commercial Officer
|
Sell |
874 | $175.72 | 874 $175.72 $153,579 |
Apr 02, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
902 | $168.79 | 902 $168.79 $152,249 |
Apr 02, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
267 | $169.60 | 267 $169.60 $45,282 |
Apr 02, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
1,493 | $167.88 | 1,493 $167.88 $250,643 |
Apr 02, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
6,950 | $167.86 | 6,950 $167.86 $1,166,627 |
Apr 02, 2025 Davis J. E. |
Davis J. E.
CEO and President
|
Sell |
1,411 | $168.76 | 1,411 $168.76 $238,114 |
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