PFEIFFER GARY M
SEC Form 4 insider trading activity
PFEIFFER GARY M has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Oct 28, 2026.
On the most recent filing, PFEIFFER GARY M is listed as Director at QUEST DIAGNOSTICS INC. Inside the rolling window, PFEIFFER GARY M reported no open-market purchases and 1 open-market sale totaling $292K in DGX.
Companies traded
Other insiders at DGX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$292K
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Oct 22, 2025 | DGX | Sale | $270K |
Frequently asked questions
How many SEC Form 4 filings has PFEIFFER GARY M made?
PFEIFFER GARY M has filed 3 SEC Form 4 filings (3 transaction rows) across 1 company since 2025.
Which companies does PFEIFFER GARY M trade?
PFEIFFER GARY M has filed SEC Form 4 disclosures for 1 company, including DGX.
When was PFEIFFER GARY M's most recent SEC Form 4 filing?
PFEIFFER GARY M's most recent SEC Form 4 filing on Tracefour is dated Oct 28, 2026.
What is PFEIFFER GARY M's total buy and sell value in the current window?
Inside the rolling retention window, PFEIFFER GARY M bought $0 and sold $292K based on SEC Form 4 filings.
What was PFEIFFER GARY M's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,203 DGX shares on 2026-10-26, worth $292K, per SEC Form 4 filings.