Andrew C. Florance

Insider Reports History

Location: Arlington, VA
Reporting signature: /s/ Gene Boxer, Attorney-in-Fact
Transaction evidence: Report rows are grouped by the transaction date disclosed in the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Holdings reported by Andrew C. Florance:

Form 4 holding President and CEO, Director

COSTAR GROUP, INC.

Security class: Common Stock, par value $0.01 per share
Shares / value: 1,722,865
Estimated value: $61,713,025
Report date: 01 May 2026
Price: $35.82
Ownership: Direct

Form 4 holding President and CEO, Director

COSTAR GROUP, INC.

Security class: Restricted Stock Units
Shares / value: 83,708
Estimated value
Report date: 27 Feb 2026
Price
Ownership: Direct
Underlying class: Common Stock, par value $0.01 per share
Underlying amount

Insider Reports Filed by Andrew C. Florance

4 CSGP

COSTAR GROUP, INC.

Report period: 01 May 2026
Transactions: 2
Transaction value: +$2,514,208
Filing time: 04 May 2026, 06:01
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 10 Mar 2026
Transactions: 1
Transaction value: $0
Filing time: 11 Mar 2026, 17:18
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 27 Feb 2026
Transactions: 2
Transaction value: -$2,659,636
Filing time: 03 Mar 2026, 19:06
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 27 Feb 2026
Transactions: 1
Transaction value: +$2,480,654
Filing time: 02 Mar 2026, 16:00
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 19 Feb 2026
Transactions: 2
Transaction value: -$943,174
Filing time: 23 Feb 2026, 17:18
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 15 Feb 2026
Transactions: 1
Transaction value: -$786,515
Filing time: 18 Feb 2026, 16:05
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 05 Mar 2025
Transactions: 1
Transaction value: $0
Filing time: 07 Mar 2025, 18:06
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 01 Mar 2025
Transactions: 1
Transaction value: -$3,148,820
Filing time: 03 Mar 2025, 19:10
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 15 Feb 2025
Transactions: 1
Transaction value: -$1,054,244
Filing time: 19 Feb 2025, 16:56
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 13 Feb 2025
Transactions: 4
Transaction value: -$2,455,351
Filing time: 24 Feb 2025, 18:48
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 25 Oct 2024
Transactions: 1
Transaction value: +$1,099,966
Filing time: 28 Oct 2024, 17:13
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 01 Mar 2024
Transactions: 1
Transaction value: -$2,108,563
Filing time: 05 Mar 2024, 16:34
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 22 Feb 2024
Transactions: 4
Transaction value: -$1,852,431
Filing time: 26 Feb 2024, 20:08
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 15 Feb 2024
Transactions: 1
Transaction value: -$1,341,487
Filing time: 20 Feb 2024, 17:05
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 28 Apr 2023
Transactions: 3
Transaction value: -$21,087,400
Filing time: 02 May 2023, 17:45
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 15 Mar 2023
Transactions: 2
Transaction value: -$626,229
Filing time: 17 Mar 2023, 17:32
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 01 Mar 2023
Transactions: 1
Transaction value: -$1,711,668
Filing time: 03 Mar 2023, 16:51
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 14 Feb 2023
Transactions: 4
Transaction value: -$957,523
Filing time: 16 Feb 2023, 18:42
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 14 Sep 2022
Transactions: 1
Transaction value: $0
Filing time: 15 Sep 2022, 16:57
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 01 Mar 2022
Transactions: 1
Transaction value: -$704,116
Filing time: 03 Mar 2022, 16:00
Role: President and CEO, Director
Next action: Open filing details

4 CSGP

COSTAR GROUP, INC.

Report period: 15 Feb 2022
Transactions: 5
Transaction value: -$5,560,037
Filing time: 18 Feb 2022, 17:57
Role: President and CEO, Director
Next action: Open filing details

5 CSGP

COSTAR GROUP, INC.

Report period: 31 Dec 2021
Transactions: 1
Transaction value: $0
Filing time: 09 Feb 2022, 17:08
Role: President and CEO, Director
Next action: Open filing details

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