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Vertiv Holdings Co. planned insider sales

In the twelve months since 23 September 2025 insiders at Vertiv Holdings Co. filed 17 Form 144 notices of planned sales, 2.1 million shares worth $543.2 million at the time of filing, from 10 sellers. The latest, filed 1 September 2026: Edward Monser (director), 15,287 shares worth $4.0 million, planned for around 1 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
1 September 2026Edward MonserDirector15,287$4.0 million1 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
10 March 2026O' Doherty PhilipForrmer Officer500,000$132.9 million10 March 2026Stifel Nicolaus & Company IncAcquired as consideration of merger or acquisitionForm 144
9 March 2026O' Doherty PhilipForrmer Officer1,000,000$263.1 million9 March 2026Stifel Nicolaus & Company IncAcquired as consideration of merger or acquisitionForm 144
6 March 2026Edward MonserDirector77,294$19.3 million6 March 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
27 February 2026R VRT GRAT 2024 II Dtd 12/12/2024Director10,000$2.5 million27 February 2026UBS Financial Services IncGiftForm 144
27 February 2026R VRT GRAT 2025 Dtd 2/28/2025Director37,083$9.3 million27 February 2026UBS Financial Services IncGiftForm 144
27 February 2026S VRT GRAT 2025 Dtd 2/28/2025Director54,583$13.8 million27 February 2026UBS Financial Services IncGiftForm 144
26 February 2026R VRT GRAT 2024 II Dtd 12/12/2024Director10,000$2.5 million26 February 2026UBS Financial Services IncgiftForm 144
26 February 2026Anders Harald KarlborgOfficer30,487$7.5 million26 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
26 February 2026Steven ReinemundDirector35,000$8.9 million26 February 2026J.P. Morgan Securities LLCFounder SharesForm 144
26 February 2026R VRT GRAT 2025 Dtd 2/28/2025Director37,084$9.4 million26 February 2026UBS Financial Services IncgiftForm 144
26 February 2026Joseph Jacobus Van DokkumDirector38,647$9.8 million26 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesStock Option ExerciseForm 144
26 February 2026Maureen CoteSpouse of Officer40,000$10.2 million26 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPrivate Acquisition from Issuer/AffiliateForm 144
26 February 2026S VRT GRAT 2025 Dtd 2/28/2025Director54,583$13.8 million26 February 2026UBS Financial Services IncgiftForm 144
26 February 2026Steven ReinemundDirector65,000$16.5 million26 February 2026J.P. Morgan Securities LLCOpen Market PurchaseForm 144
26 February 2026Stephen H LiangOfficer73,912$18.7 million26 February 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock; Stock Option ExerciseForm 144
24 November 2025Stephen H LiangOfficer5,501$937,81024 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 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. Value is the filer's own aggregate market value. Whether the sale happened shows up later on Form 4, on the insiders page.

Source

Form 144 filings on EDGAR for Vertiv Holdings Co.: the company's filing index, each notice read from its own XML.

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