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Quest Diagnostics Inc. planned insider sales

In the last twelve months insiders at Quest Diagnostics Inc. filed 22 Form 144 notices of planned sales, 199,209 shares worth $42.4 million at the time of filing, from 8 sellers. The latest, filed 3 November 2026: Doherty Catherine T. (officer), 22,105 shares worth $5.6 million, planned for around 3 November 2026 through Fidelity Brokerage Services LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
3 November 2026Doherty Catherine T.Officer22,105$5.6 million3 November 202622,105 shares from 3 November 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
26 October 2026Pfeiffer Gary MDirector1,203$292,32926 October 20261,203 shares from 26 October 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
1 September 2026Davis J. E.Officer, Director10,000$2.4 million1 September 2026None on Form 4 yetFidelity Brokerage Services LLCRestricted Stock VestingForm 144
28 August 2026Prevoznik Michael EOfficer22,677$5.5 million28 August 202622,677 shares from 28 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
28 July 2026Delaney Mark EOfficer1,600$376,28828 July 20261,600 shares from 28 July 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
4 June 2026Kuppusamy KarthikOfficer8,147$1.6 million4 June 20268,147 shares from 4 June 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
1 June 2026Davis J. E.Officer, Director10,000$1.9 million1 June 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 March 2026Plewman PatrickOfficer2,855$588,7305 March 20262,855 shares from 5 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 March 2026Prevoznik Michael EOfficer3,878$799,6825 March 20263,878 shares from 5 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 March 2026Doherty Catherine T.Officer5,558$1.1 million5 March 20265,558 shares from 5 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
3 March 2026Plewman PatrickOfficer410$85,1693 March 2026410 shares from 3 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
3 March 2026Prevoznik Michael EOfficer526$109,2663 March 2026526 shares from 3 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
3 March 2026Doherty Catherine T.Officer632$131,2853 March 2026632 shares from 3 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
2 March 2026Davis J. E.Officer, Director10,000$2.1 million2 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 February 2026Plewman PatrickOfficer958$196,22719 February 2026958 shares from 19 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 February 2026Prevoznik Michael EOfficer1,111$227,56619 February 20261,111 shares from 19 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 February 2026Doherty Catherine T.Officer1,433$293,52119 February 20261,433 shares from 19 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
13 February 2026Doherty Catherine T.Officer26,165$5.4 million13 February 202626,165 shares from 13 February 2026Fidelity Brokerage Services LLCOptions Granted - 02/18/2020Form 144
10 February 2026Plewman PatrickOfficer5,662$1.2 million10 February 20265,662 shares from 10 February 2026Fidelity Brokerage Services LLCOption Granted - 02/17/2021Form 144
25 November 2025Gregg Vicky BDirector1,250$239,70025 November 20251,250 shares from 25 November 2025Fidelity Brokerage Services LLCDividend Reinvestment; Restricted Stock VestingForm 144
25 November 2025Davis J. E.Officer, Director55,093$10.6 million25 November 2025No matching Form 4 saleFidelity Brokerage Services LLCOption Granted - 02/21/2017Form 144
18 November 2025Delaney Mark EOfficer7,946$1.5 million18 November 20257,946 shares from 18 November 2025Fidelity Brokerage Services LLCOption Granted - 02/23/2023; Option Granted - 03/21/2022Form 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?