Desmarais Michael J

Costar Group, Inc. · Chief Human Resources Officer

Desmarais Michael J is listed in public filings as officer: Chief Human Resources Officer. This Desmarais Michael J insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Costar Group, Inc. (CSGP). Investors use Desmarais Michael J's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Costar Group, Inc.CSGP$3.8M87.7k sharesGrant / ExerciseMar 15, 2026$125.3K2.9k shares$43.63--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Costar Group, Inc.CSGP$4.2M90.6k sharesGrant / ExerciseMar 10, 2026$819.1K17.7k shares$46.34--
Costar Group, Inc.CSGP$3.3M72.9k sharesGrant / ExerciseMar 1, 2026$283.5K6.4k shares$44.63--
Costar Group, Inc.CSGP--17.9k sharesGrant / ExerciseFeb 27, 2026Disclosure amount unavailable17.9k shares----
Costar Group, Inc.CSGP$6.2M79.1k sharesGrant / ExerciseMar 15, 2025$286.7K3.6k shares$78.73--
Costar Group, Inc.CSGP$6.4M82.8k sharesGrant / ExerciseMar 5, 2025$702.3K9k shares$77.81--
Costar Group, Inc.CSGP$5.6M73.7k sharesGrant / ExerciseMar 1, 2025$296.8K3.9k shares$76.25--
Costar Group, Inc.CSGP--77.6k sharesGrant / ExerciseFeb 27, 2025Disclosure amount unavailable18.8k shares----
Costar Group, Inc.CSGP$4.7M58.8k sharesSellNov 26, 2024$439.3K5.5k shares$79.88--