COSTAR GROUP, INC. - Director's Dealing 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COSTAR GROUP, INC. (CSGP)
CIK: 0001057352
Period of Report: 2024-04-26

Reporting Person: Wheeler Scott T (Chief Financial Officer)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-04-26	Common Stock, par value $0.01 per share	M	42670	$39.82	Acquired	346087	Direct
2024-04-26	Common Stock, par value $0.01 per share	M	51000	$66.65	Acquired	397087	Direct
2024-04-26	Common Stock, par value $0.01 per share	M	21933	$67.29	Acquired	419020	Direct
2024-04-26	Common Stock, par value $0.01 per share	M	7133	$76.78	Acquired	426153	Direct
2024-04-26	Common Stock, par value $0.01 per share	S	122736	$92.61	Disposed	303417	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2024-04-26	Option to Acquire Common Stock	$39.82	M	42670	Disposed	2029-02-06	Common Stock (42670)	Direct
2024-04-26	Option to Acquire Common Stock	$66.65	M	51000	Disposed	2030-02-05	Common Stock (51000)	Direct
2024-04-26	Option to Acquire Common Stock	$67.29	M	21933	Disposed	2032-02-15	Common Stock (21933)	Direct
2024-04-26	Option to Acquire Common Stock	$76.78	M	7133	Disposed	2033-02-13	Common Stock (7133)	Direct

Security	Shares	Ownership
Common Stock, par value $0.01 per share	2084	Indirect
Common Stock, par value $0.01 per share	2076	Indirect
Common Stock, par value $0.01 per share	1541	Indirect

F1: Average based on sales prices ranging from $91.55 to $93.27.

F2: The option vested in three equal installments on February 15, 2020, February 15, 2021 and February 15, 2022.

F3: The option vests in three equal installments on February 15, 2021, February 15, 2022 and February 15, 2023.

F4: The option vests in three equal installments on March 1, 2023, March 1, 2024 and March 1, 2025.

F5: The option vests in three equal installments on February 15, 2024, February 15, 2025 and February 15, 2026.