Form 4 for CSGP CoStar Group
Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001717178-26-000006 · 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 | Ruggles Lisa | Senior VP, Gbl Ops | F - Tax | $44.63 | -8,931 | 177.9K | -5% | -$398.6K |
| D | 2026-03-03 | 2026-02-27 | CSGP | Ruggles Lisa | Senior VP, Gbl Ops | A - Grant | $0.00 | +28.2K | 28.2K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock, par value $0.01 per share | 2026-03-01 | F | D | 8,931 | $44.63 | 177,892 | 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. |
| 2 | Derivative | Restricted Stock Units | 2026-02-27 | A | A | 28,197 | $0.00 | 28,197 | D | — · — to — | 28,197 Common Stock, par value $0.01 per share | (F2) Each restricted stock unit represents a contingent right to receive one share of CoStar Group, Inc. common stock. (F3) The restricted stock units vest in three equal installments on March 1, 2027, March 1, 2028 and March 1, 2029. |