Changes in Beneficial Ownership · 4
CoStar Group, Inc.
CSGPNASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
wk-form4_1783368329.xml
Filing details
- Report period
- 2026-07-01
- Issuer
- COSTAR GROUP, INC.
- Issuer CIK
- 0001057352
- Trading symbol
- CSGP
Reporting owner 1
- Name
- LOWN CHRISTIAN M.
- Reporting owner CIK
- 0001701994
- Relationship
- Officer
- Officer title
- Chief Financial Officer
- Address
- C/O COSTAR GROUP, INC., 1201 WILSON BLVD., ARLINGTON, VA, 22209
Non-derivative transactions
| Security | Transaction date | Code | Amount | A / D | Price (USD) | Owned after | Ownership |
|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.01 per share | 2026-07-01 | F · Form 4 | 5,597 | D | 29.36 | 129,653 | D |
Table key
- F · Form 4
- Securities delivered or withheld for exercise price or tax liability under Rule 16b-3
- D
- Direct
Signature 1
- Signed
- /s/ Lisa M. Tanzi, Attorney-in-Fact
- Date
- 2026-07-06
Company context
CoStar Group (NASDAQ: CSGP), an S&P 500 company, is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover properties, insights, and connections that improve their businesses and lives. CoStar Group’s major brands include CoStar, a leading global provider of commercial real estate data, analytics, and news; LoopNet, the most trafficked commercial real estate marketplace; Apartments.com, the leading platform for apartment rentals; Homes.com, the fastest-growing residential real estate marketplace; and Domain, one of Australia’s leading property marketplaces. CoStar Group’s industry-leading brands also include Matterport, a leading spatial data company whose platform turns buildings into data to make every space more valuable and accessible; STR, a global leader in hospitality data and benchmarking; Ten-X, an online platform for commercial real estate auctions and negotiated bids; and OnTheMarket, a leading residential property portal in the United Kingdom.