Aeon
Connecting Sign in

Insider trades appear within seconds, the rest within the hour.

Get alerts

← Feed

DGXNYSE · Services-Medical Laboratories

QUEST DIAGNOSTICS INC

Alert me on DGX
0
Insider buys, 6 months
5
Congress trades, 6 months
0
Signals, 6 months

Six months

DGX stock chart by TradingView

After each filing

32
Sep 4 Sale Davis J. E. Insider
1 week
+0.3%S&P −1.2%
1 month
−3.3%S&P +1.4%
3 months
Result in29 trading days
6 months
Result in92 trading days
Sep 1 Sale PREVOZNIK MICHAEL E Insider
1 week
−0.3%S&P +0.1%
1 month
−2.2%S&P +0.5%
3 months
Result in26 trading days
6 months
Result in89 trading days
Aug 13 Sale Rep. Carol Devine Miller House
1 week
+4.3%S&P −1.4%
1 month
+5.4%S&P −2.4%
3 months
Result in14 trading days
6 months
Result in77 trading days
Aug 5 Buy Rep. Julie Johnson House
1 week
−1.0%S&P +1.2%
1 month
−0.6%S&P +0.2%
3 months
Result in8 trading days
6 months
Result in71 trading days
Aug 5 Sale Rep. Julie Johnson House
1 week
−1.0%S&P +1.2%
1 month
−0.6%S&P +0.2%
3 months
Result in8 trading days
6 months
Result in71 trading days
Show all 32
Jul 30 Sale DELANEY MARK E Insider
1 week
+1.8%S&P +3.6%
1 month
+3.6%S&P +3.7%
3 months
Result in3 trading days
6 months
Result in66 trading days
Jul 21 Buy Sen. Alan Armstrong Senate
1 week
+12.1%S&P −2.4%
1 month
+15.0%S&P +2.0%
3 months
+13.4%S&P +3.2%
6 months
Result in60 trading days
Jun 9 Sale KUPPUSAMY KARTHIK Insider
1 week
−1.7%S&P +1.8%
1 month
+1.8%S&P +2.7%
3 months
+15.6%S&P +3.7%
6 months
Result in31 trading days
Jun 3 Sale Davis J. E. Insider
1 week
+5.2%S&P −3.8%
1 month
+10.2%S&P −0.1%
3 months
+24.8%S&P +1.7%
6 months
Result in27 trading days
Mar 7 Sale PREVOZNIK MICHAEL E Insider
1 week
−1.3%S&P −1.4%
1 month
−0.9%S&P −0.1%
3 months
−1.7%S&P +9.3%
6 months
+17.8%S&P +13.5%
Mar 7 Sale KUPPUSAMY KARTHIK Insider
1 week
−1.3%S&P −1.4%
1 month
−0.9%S&P −0.1%
3 months
−1.7%S&P +9.3%
6 months
+17.8%S&P +13.5%
Mar 7 Sale Doherty Catherine T. Insider
1 week
−1.3%S&P −1.4%
1 month
−0.9%S&P −0.1%
3 months
−1.7%S&P +9.3%
6 months
+17.8%S&P +13.5%
Mar 7 Sale Plewman Patrick Insider
1 week
−1.3%S&P −1.4%
1 month
−0.9%S&P −0.1%
3 months
−1.7%S&P +9.3%
6 months
+17.8%S&P +13.5%
Mar 5 Sale Doherty Catherine T. Insider
1 week
−1.5%S&P −2.2%
1 month
−2.0%S&P −3.0%
3 months
−3.4%S&P +11.4%
6 months
+18.4%S&P +14.1%
Mar 5 Sale Plewman Patrick Insider
1 week
−1.5%S&P −2.2%
1 month
−2.0%S&P −3.0%
3 months
−3.4%S&P +11.4%
6 months
+18.4%S&P +14.1%
Mar 5 Sale PREVOZNIK MICHAEL E Insider
1 week
−1.5%S&P −2.2%
1 month
−2.0%S&P −3.0%
3 months
−3.4%S&P +11.4%
6 months
+18.4%S&P +14.1%
Mar 5 Sale Davis J. E. Insider
1 week
−1.5%S&P −2.2%
1 month
−2.0%S&P −3.0%
3 months
−3.4%S&P +11.4%
6 months
+18.4%S&P +14.1%
Feb 21 Sale Plewman Patrick Insider
1 week
+1.4%S&P +0.6%
1 month
−5.5%S&P −4.0%
3 months
−5.5%S&P +9.6%
6 months
+18.6%S&P +12.5%
Feb 21 Sale Doherty Catherine T. Insider
1 week
+1.4%S&P +0.6%
1 month
−5.5%S&P −4.0%
3 months
−5.5%S&P +9.6%
6 months
+18.6%S&P +12.5%
Feb 21 Sale PREVOZNIK MICHAEL E Insider
1 week
+1.4%S&P +0.6%
1 month
−5.5%S&P −4.0%
3 months
−5.5%S&P +9.6%
6 months
+18.6%S&P +12.5%
Feb 18 Sale Doherty Catherine T. Insider
1 week
+1.7%S&P +1.0%
1 month
−5.0%S&P −3.9%
3 months
−6.4%S&P +7.2%
6 months
+19.3%S&P +12.7%
Feb 13 Sale Plewman Patrick Insider
1 week
+0.3%S&P +0.1%
1 month
−4.0%S&P −1.6%
3 months
−9.4%S&P +8.7%
6 months
+14.8%S&P +13.9%
Jan 13 Buy Rep. Julia Letlow House
1 week
−2.5%S&P −0.2%
1 month
+10.8%S&P −1.2%
3 months
+3.0%S&P +1.9%
6 months
+13.8%S&P +8.2%
Jan 13 Sale Rep. Julia Letlow House
1 week
−2.5%S&P −0.2%
1 month
+10.8%S&P −1.2%
3 months
+3.0%S&P +1.9%
6 months
+13.8%S&P +8.2%
Dec 11, 2025 Sale Rep. Julie Johnson House
1 week
−3.6%S&P +0.1%
1 month
+2.8%S&P +1.6%
3 months
+9.3%S&P −1.3%
6 months
+11.1%S&P +10.7%
Nov 29, 2025 Sale Davis J. E. Insider
1 week
−1.1%S&P +0.5%
1 month
−5.6%S&P +0.5%
3 months
+13.9%S&P +1.0%
6 months
+6.3%S&P +11.5%
Nov 29, 2025 Sale Gregg Vicky B Insider
1 week
−1.1%S&P +0.5%
1 month
−5.6%S&P +0.5%
3 months
+13.9%S&P +1.0%
6 months
+6.3%S&P +11.5%
Nov 21, 2025 Sale DELANEY MARK E Insider
1 week
−3.9%S&P +3.2%
1 month
−8.5%S&P +4.7%
3 months
+9.1%S&P +5.5%
6 months
+2.3%S&P +14.5%
Oct 25, 2025 Sale PFEIFFER GARY M Insider
1 week
−0.8%S&P −0.3%
1 month
+6.7%S&P −1.5%
3 months
+1.8%S&P +1.8%
6 months
+5.9%S&P +4.4%
Oct 1, 2025 Sale PREVOZNIK MICHAEL E Insider
1 week
−0.2%S&P +0.7%
1 month
−3.0%S&P +1.7%
3 months
−4.3%S&P +2.3%
6 months
+9.7%S&P −1.3%
Sep 26, 2025 Sale PREVOZNIK MICHAEL E Insider
1 week
−4.7%S&P +1.1%
1 month
−4.2%S&P +3.5%
3 months
−6.5%S&P +4.6%
6 months
+5.3%S&P −4.0%
Apr 11, 2025 Sale Rep. Carol Devine Miller House
1 week
+2.9%S&P −2.2%
1 month
+2.7%S&P +9.0%
3 months
−0.1%S&P +16.1%
6 months
+11.4%S&P +23.5%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for DGX

120 held · newest 5120 held · newest 2
Loading the filings.
See all 120 filings for DGX

Aeon news and offers by email

New sources, new features and offers like our founding price. A few times a month at most. Stop any time.

Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
$350KQ4 2025
$690KQ1 2026
$470KQ2 2026
$300KQ3 2026
Down 36 percent from Q2 2026. Reported by the company to the Senate each quarter.Original report ↗

Read from LDA.gov between Sep 23, 2026 and Oct 21, 2026. Senate Office of Public Records cannot vouch for the data or analyses derived from these data after the data have been retrieved from LDA.gov.