Form 4/A for CSGP CoStar Group
Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-15 · accession 0001758152-26-000008 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 2026-03-17 | 2026-03-15 | CSGP | Boxer Gene | GC, Sec | F - Tax | $43.63 | -482 | 95.5K | -0.5% | -$21.0K |
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 | 2026-03-15 | F | D | 482 | $43.63 | 95,463 | D | — | — | (F1) This amount reflects a correction due to administrative error. (F2) On March 13, 2026, the last preceding business day, the closing price of the Company's common stock on Nasdaq was $43.63. |