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Costar Group, Inc. planned insider sales

In the twelve months since 23 September 2025 insiders at Costar Group, Inc. filed 2 Form 144 notices of planned sales, 5,750 shares worth $257,988 at the time of filing, from 1 seller. The latest, filed 5 August 2026: Hill John W (director), 3,500 shares worth $106,068, planned for around 5 August 2026 through Ameritas Investment Corp.

FiledSellerRelationshipSharesValuePlanned saleBrokerHow acquiredFiling
5 August 2026Hill John WDirector3,500$106,0685 August 2026Ameritas Investment CorpPayment for services renderedForm 144
13 November 2025Hill John WDirector, Member of immediate family of any of the foregoing2,250$151,92013 November 2025Ameritas Investment CorpPayment for Services RenderedForm 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 Costar Group, Inc.: the company's filing index, each notice read from its own XML.

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