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Last 30 daysNo qualifying insider buying. No qualifying insider sales.
42 trades · April 1, 2026 – October 1, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.
Showing the first 6 of 20 trades on this page.
Award disclosed
Timothy C. Wentworth
Director
Phantom Stock Units
Derivative security · not the ordinary share price.
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.
Sale disclosed
J. E. Davis
CEO and President
Common Stock
Reported value
Why this buying score?
No qualifying common-equity purchases
No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.
+0 pts
This score describes qualifying insider purchases at issuer level. Read the methodology
Sources and coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0001022079
Latest public acceptance
Oct 2, 2026, 08:33 PM UTC
Score calculated
Oct 6, 2026, 07:02 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date
Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.
Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.
$2.43M
Reported price
$242.72 / share
Exercise or conversion
Michael E. Prevoznik
SVP & General Counsel
Common Stock
Value context
$2.54M
Reported price
$112.17 / share
Sale disclosed
Michael E. Prevoznik
SVP & General Counsel
Common Stock
Reported value
$3.89M
Reported price
$242.8755 / share
Sale disclosed
Michael E. Prevoznik
SVP & General Counsel
Common Stock
Reported value
$1.52M
Reported price
$243.6275 / share
Sale disclosed
Michael E. Prevoznik
SVP & General Counsel
Common Stock
Reported value
$105.14K
Reported price
$244.5148 / share
Gift disclosed
Michael E. Prevoznik
SVP & General Counsel
Common Stock
Value context
Not a purchase
Reported price
Gift · no purchase price
Understand this price
The filing reports a zero transaction price for this gift. It does not establish the market value of the gift.
Exercise or conversion
Michael E. Prevoznik
SVP & General Counsel
Non-Qualifed Stock Option (right to buy)
Derivative security · not the ordinary share price.
Value context
Not a separate purchase
Exercise / conversion price
$112.17 exercise / conversion price
Understand this price
This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.
Sale disclosed
Mark E. Delaney
SVP & Chief Commercial Officer
Common Stock
Reported value
$376.29K
Reported price
$235.18 / share
Other activity disclosed
Karthik Kuppusamy
SVP, Clinical Solutions
Common Stock
Value context
$7.65K
Reported price
$206.807 / share
Other activity disclosed
Robert B. Carter
Director
Common Stock
Value context
$2.27K
Reported price
$206.804 / share
Award disclosed
Vicky B. Gregg
Director
Common Stock
Value context
$14.89K
Reported price
$206.808 / share
Other activity disclosed
Patrick Plewman
SVP for Diagnostic Services
Common Stock
Value context
$9.51K
Reported price
$206.807 / share
Other activity disclosed
Timothy L. Main
Director
Common Stock
Value context
$4.34K
Reported price
$206.81 / share
Award disclosed
Sam Samad
Executive Vice President & CFO
Common Stock
Value context
$21.09K
Reported price
$206.807 / share
Other activity disclosed
Wright Lassiter III
Director
Common Stock
Value context
$1.24K
Reported price
$206.813 / share
Other activity disclosed
Mark E. Delaney
SVP & Chief Commercial Officer
Common Stock
Value context
$7.03K
Reported price
$206.807 / share
Award disclosed
Timothy C. Wentworth
Director
Phantom Stock Units
Derivative security · not the ordinary share price.
Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price
The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.