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Rossmann Robin Jack

Disclosed activity across 1 company

Tapewire entity
26813
SEC CIK
0002146463

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
COSTAR GROUP, INC.CSGP · Entity 3416Chief Financial OfficerJuly 31, 2026August 04, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

COSTAR GROUP, INC.

Report date July 31, 2026 · Filed August 04, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Restricted Stock UnitsSEC Table II · derivative / convertible securityDirect34,771 Reported balance After 2026-07-31 transaction · row 1 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 1 · 2026-07-31 · Grant · Acquired 34,771 · Balance 34,771

F1: Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.

F2: The restricted stock units vest in three equal installments on August 1, 2027, August 1, 2028 and August 1, 2029.

Filing footnotes · ownership attribution and instrument terms

F1: Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.

F2: The restricted stock units vest in three equal installments on August 1, 2027, August 1, 2028 and August 1, 2029.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
July 31, 2026 Filed Aug 4, 2026 21:24 UTC COSTAR GROUP, INC. CSGP · Entity 3416 GrantRestricted Stock Units · Derivative 34,771 $0.00 $0.00
Disclosure

SEC source: 0002146463-26-000005 · wk-form4_1785878685.xml · derivative · entry 1

Rossmann Robin Jack · CIK 0002146463 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,771

Underlying: Common Stock, par value $0.01 per share · 34,771 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock.

F2 · derivative.exercise_date: The restricted stock units vest in three equal installments on August 1, 2027, August 1, 2028 and August 1, 2029.

F2 · derivative.expiration_date: The restricted stock units vest in three equal installments on August 1, 2027, August 1, 2028 and August 1, 2029.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.