InsiderTrades

Form 4 for CSGP CoStar Group

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001472762-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-03-03 2026-03-01 CSGP Cann Cynthia Cammett CAO F - Tax $44.63 -1,385 22.0K -6% -$61.8K
D 2026-03-03 2026-02-27 CSGP Cann Cynthia Cammett CAO A - Grant $0.00 +6,834 6,834 New $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock, par value $0.01 per share 2026-03-01 F D 1,385 $44.63 21,968 D — — (F1) On February 27, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $44.63. (F2) Includes 142 shares acquired under the CoStar Group, Inc. Employee Stock Purchase Plan.
2 Derivative Restricted Stock Units 2026-02-27 A A 6,834 $0.00 6,834 D — · — to — 6,834 Common Stock, par value $0.01 per share (F3) Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock. (F4) The restricted stock units vest in four equal installments on March 1, 2027, March 1, 2028, March 1, 2029, and March 1, 2030.