PFEIFFER GARY M - Insider Non-Derivative Transactions at QUEST DIAGNOSTICS INC (DGX) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Oct 22, 2025, PFEIFFER GARY M's relationship to QUEST DIAGNOSTICS INC (DGX) is Director, and currently has 29,431 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other DGX insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

PFEIFFER GARY M - Insider Non-Derivative Transactions of DGX Common Stock

PFEIFFER GARY M - Insider Non-Derivative Transactions at DGX

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Oct 23, 2025	Sell -- (Common Stock)	1482	182.4	29431
May 16, 2025	Acquisition -- (Common Stock)	1203	0	30669
May 17, 2024	Acquisition -- (Common Stock)	1482	0	28916
May 18, 2023	Acquisition -- (Common Stock)	1369	0	26839