Andrew C. Florance
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.
Purchase(P)Direct83.3K shares at avg. $29.89$2.5M - May 1, 2026CSGP
COSTAR GROUP, INC.
Purchase(P)Direct3.1K shares at avg. $35.82$111K - May 1, 2026CSGP
COSTAR GROUP, INC.
Purchase(P)Direct68.3K shares at avg. $35.17$2.4M - Mar 10, 2026CSGP
COSTAR GROUP, INC.
Award(A)Direct124.2K shares- - Mar 1, 2026CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct59.6K shares at avg. $44.63$2.7M - Feb 27, 2026CSGP
COSTAR GROUP, INC.
Award(A)DirectRestricted Stock Units
83.7K shares- - Feb 27, 2026CSGP
COSTAR GROUP, INC.
Purchase(P)Direct55.7K shares at avg. $44.52$2.5M - Feb 19, 2026CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct19.2K shares at avg. $49.07$943K - Feb 19, 2026CSGP
COSTAR GROUP, INC.
Disposition(D)Direct105K shares- - Feb 15, 2026CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct17.5K shares at avg. $44.99$787K - Mar 5, 2025CSGP
COSTAR GROUP, INC.
Award(A)Direct76.2K shares- - Mar 1, 2025CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct41.3K shares at avg. $76.25$3.1M - Feb 20, 2025CSGP
COSTAR GROUP, INC.
Award(A)Direct451.4K shares- - Feb 15, 2025CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct14.2K shares at avg. $74.06$1.1M - Feb 13, 2025CSGP
COSTAR GROUP, INC.
Tax Payment(F)Direct33.5K shares at avg. $73.27$2.5M - Feb 13, 2025CSGP
COSTAR GROUP, INC.
Disposition(D)Direct28.9K shares- - Oct 25, 2024CSGP
COSTAR GROUP, INC.
Purchase(P)Direct14.7K shares at avg. $74.67$1.1M
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 4, 2026 | CSGP COSTAR GROUP, INC. | Purchase(P) | 83,300 | $29.89 | $2,489,837 | Direct |
| May 1, 2026 | CSGP COSTAR GROUP, INC. | Purchase(P) | 3,100 | $35.82 | $111,042 | Direct |
| May 1, 2026 | CSGP COSTAR GROUP, INC. | Purchase(P) | 68,330 | $35.17 | $2,403,166 | Direct |
| Mar 10, 2026 | CSGP COSTAR GROUP, INC. | Award(A) | 124,162 | - | $0 | Direct |
| Mar 1, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 59,593 | $44.63 | $2,659,636 | Direct |
| Feb 27, 2026 | CSGP COSTAR GROUP, INC. | Award(A) Restricted Stock Units | 83,708 | - | - | Direct |
| Feb 27, 2026 | CSGP COSTAR GROUP, INC. | Purchase(P) | 55,720 | $44.52 | $2,480,654 | Direct |
| Feb 19, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 19,221 | $49.07 | $943,174 | Direct |
| Feb 19, 2026 | CSGP COSTAR GROUP, INC. | Disposition(D) | 104,983 | - | $0 | Direct |
| Feb 15, 2026 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 17,482 | $44.99 | $786,515 | Direct |
| Mar 5, 2025 | CSGP COSTAR GROUP, INC. | Award(A) | 76,232 | - | - | Direct |
| Mar 1, 2025 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 41,296 | $76.25 | $3,148,820 | Direct |
| Feb 20, 2025 | CSGP COSTAR GROUP, INC. | Award(A) | 451,440 | - | - | Direct |
| Feb 15, 2025 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 14,235 | $74.06 | $1,054,244 | Direct |
| Feb 13, 2025 | CSGP COSTAR GROUP, INC. | Tax Payment(F) | 33,511 | $73.27 | $2,455,351 | Direct |
| Feb 13, 2025 | CSGP COSTAR GROUP, INC. | Disposition(D) | 28,896 | - | - | Direct |
| Oct 25, 2024 | CSGP COSTAR GROUP, INC. | Purchase(P) | 14,731 | $74.67 | $1,099,966 | Direct |
1-17 of 17 transactions
About FLORANCE ANDREW C
FLORANCE ANDREW C (SEC CIK 0001066061) files insider reports with the SEC as Founder and CEO of COSTAR GROUP, INC. (CSGP).
Signal8 holds 12 ownership filings by FLORANCE ANDREW C, all Form 4s, filed between Oct 28, 2024 and Aug 5, 2026. Those filings report 17 transactions, from Oct 25, 2024 to Aug 4, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on FLORANCE ANDREW C's filings is in ARLINGTON, VA.
Recent filings by FLORANCE ANDREW C
- Aug 4, 2026: Open-market purchase of CSGP shares (Form 4, code P).
- May 1, 2026: Open-market purchases of CSGP shares (2 lines, Form 4, code P).
- Mar 10, 2026: Grant or award of CSGP shares (Form 4, code A).
- Mar 1, 2026: Tax withholding of CSGP shares (Form 4, code F).
- Feb 27, 2026: Grant or award of CSGP derivative securities (Form 4, code A).
Other insiders filing for COSTAR GROUP, INC. (CSGP)
- Rossmann Robin Jack, Chief Financial Officer
- Cann Cynthia Cammett, Chief Accounting Officer
- Hill John W, Director
- SAINT FREDERICK G., President, Marketplaces
- LOWN CHRISTIAN M., Chief Financial Officer
- Glaser Rachel C, Director