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Gary Pfeiffer Insider Profile

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Gary Pfeiffer, Director at Quest Diagnostics, holds 29.80K shares in Quest Diagnostics (Ticker: DGX), holds 0.00 shares in Internap (Ticker: INAPQ), holds 0.00 shares in TerraVia Holdings Inc (Ticker: TVIAQ).

Gary Pfeiffer's Trading History

DGX
Quest Diagnostics
Oct 28, 2026DirectorUninformative Sell292.33K$7.50M
INAPQ
Internap
May 08, 2020―Uninformative Sell―$0.00
~DD
E I du Pont de Nemours and Company
―――$4.95M
TVIAQ
TerraVia Holdings Inc
―――$0.00

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Gary Pfeiffer insider profile FAQ

What is the percentage of profitable transactions made by Gary Pfeiffer?
The percentage of profitable transactions made by Gary Pfeiffer is 14%.
What is the average return per transaction made by Gary Pfeiffer?
The average return per transaction made by Gary Pfeiffer is -27.40%.
What stocks does Gary Pfeiffer hold?
Gary Pfeiffer holds: DGX, INAPQ, TVIAQ, ~DD stocks.
What was Gary Pfeiffer’s latest transaction?
Gary Pfeiffer’s latest transaction was an Uninformative Sell of $292.33K.
What was Gary Pfeiffer's most profitable transaction?
Gary Pfeiffer’s most profitable transaction was an Informative Sell of DGX stock on February 5, 2015. The return on the trade was 11.00%.
What is Gary Pfeiffer's role in Quest Diagnostics?
Gary Pfeiffer's role in Quest Diagnostics is Director.
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