FLORANCE ANDREW C
SEC insider (Form 3/4/5 filer). CIK 0001066061. Founder and CEO at COSTAR GROUP, INC. (CSGP). 17 reported Form 4/5 transactions since Sep 2024; latest on Aug 4, 2026. Located in ARLINGTON, VA.
Companies FLORANCE ANDREW C has filed insider reports for
- COSTAR GROUP, INC. (CSGP): Director, Officer, Founder and CEO
FLORANCE ANDREW C
CIK: 0001066061
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
COSTAR GROUP, INC.
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Aug 4, 2026CSGP
COSTAR GROUP, INC.
PurchaseDirect83.3K shares at avg. $29.89$2.5M - May 1, 2026CSGP
COSTAR GROUP, INC.
PurchaseDirect3.1K shares at avg. $35.82$111K - May 1, 2026CSGP
COSTAR GROUP, INC.
PurchaseDirect68.3K shares at avg. $35.17$2.4M - Mar 10, 2026CSGP
COSTAR GROUP, INC.
AwardDirect124.2K shares- - Mar 1, 2026CSGP
COSTAR GROUP, INC.
Tax PaymentDirect59.6K shares at avg. $44.63$2.7M - Feb 27, 2026CSGP
COSTAR GROUP, INC.
AwardDirectRestricted Stock Units
83.7K shares- - Feb 27, 2026CSGP
COSTAR GROUP, INC.
PurchaseDirect55.7K shares at avg. $44.52$2.5M - Feb 19, 2026CSGP
COSTAR GROUP, INC.
Tax PaymentDirect19.2K shares at avg. $49.07$943K - Feb 19, 2026CSGP
COSTAR GROUP, INC.
DispositionDirect105K shares- - Feb 15, 2026CSGP
COSTAR GROUP, INC.
Tax PaymentDirect17.5K shares at avg. $44.99$787K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 4, 2026 | CSGP COSTAR GROUP, INC. | Purchase | 83,300 | $29.89 | $2,489,837 | Direct |
| May 1, 2026 | CSGP COSTAR GROUP, INC. | Purchase | 3,100 | $35.82 | $111,042 | Direct |
| May 1, 2026 | CSGP COSTAR GROUP, INC. | Purchase | 68,330 | $35.17 | $2,403,166 | Direct |
| Mar 10, 2026 | CSGP COSTAR GROUP, INC. | Award | 124,162 | - | $0 | Direct |
| Mar 1, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment | 59,593 | $44.63 | $2,659,636 | Direct |
| Feb 27, 2026 | CSGP COSTAR GROUP, INC. | Award Restricted Stock Units | 83,708 | - | - | Direct |
| Feb 27, 2026 | CSGP COSTAR GROUP, INC. | Purchase | 55,720 | $44.52 | $2,480,654 | Direct |
| Feb 19, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment | 19,221 | $49.07 | $943,174 | Direct |
| Feb 19, 2026 | CSGP COSTAR GROUP, INC. | Disposition | 104,983 | - | $0 | Direct |
| Feb 15, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment | 17,482 | $44.99 | $786,515 | Direct |
1-10 of 17 transactions