
Chief Technology Officer · COSTAR GROUP, INC. · Common Stock, par value $0.01 per share
Disposition to issuer — administrative, little informational value
No reported dollar value · 7.4% of prior position
Disclosed 2 business days after execution (deadline: 2)
First recorded trade by this actor in this security
No clustered activity in the dataset
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
| Score | Actor | Security | Side | Value | Disclosed | Evidence |
|---|---|---|---|---|---|---|
| 20 | Gilbert Ray Cisneros, Jr.DSelf | Purchase | BUY | $1,001 – $15K | Sep 10, 2026 traded Aug 19, 2026 | |
| 17 | Sams Louise SDirector | Grant or award | A | — 8,262 sh | Jun 24, 2026 traded Jun 23, 2026 | |
| 21 | Brunner Angelique G.Director | Grant or award | A | — 8,262 sh | Jun 24, 2026 traded Jun 23, 2026 | |
| 27 | Gilbert Ray Cisneros, Jr.DSelf | Partial sale | SELL | $1,001 – $15K | May 8, 2026 traded Apr 14, 2026 | |
| 20 | Gilbert Ray Cisneros, Jr.DSelf | Purchase | BUY | $1,001 – $15K | Apr 7, 2026 traded Mar 13, 2026 | |
| 17 | Desmarais Michael JChief Human Resources Officer | Grant or award | A | — 17.7K sh | Mar 11, 2026 traded Mar 10, 2026 | |
| 12 | Simuro FrankChief Technology Officer | Tax withholding | F | $217K 4,421 sh | Feb 23, 2026 traded Feb 19, 2026 | |
| 24 | Gilbert Ray Cisneros, Jr.DSelf | Purchase | BUY | $1,001 – $15K | Feb 13, 2026 traded Jan 28, 2026 |
Read directly from the primary public document; every field below is as reported by the filer.
Simuro Frank filed this Form 4 reporting a disposition to issuer of CSGP on Feb 19, 2026. It became public on Feb 23, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
No field has changed since this record was first ingested.
No material filings recorded for this issuer.