Updated Jul 16, 2026
DESMARAIS MICHAEL J is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $439K.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-17 | CSGP | COSTAR GROUP, INC. | F — Tax withholding / forfeiture | 2.9K | $43.63 | $125K |
| 2026-03-11 | CSGP | COSTAR GROUP, INC. | A — Grant or award | 17.7K | — | |
| 2026-03-04 | CSGP | COSTAR GROUP, INC. | F — Tax withholding / forfeiture | 6.4K | $44.63 | $284K |
| 2024-11-27 | CSGP | COSTAR GROUP, INC. | S — Open-market sale | 5.5K | $79.88 | $439K |
DESMARAIS MICHAEL J is a corporate insider — currently tracked as Chief Human Resources Officer. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($439K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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