Notice of Proposed Sale · 144
CoStar Group, Inc.
CSGPNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- COSTAR GROUP, INC.
- Issuer CIK
- 0001057352
- SEC file number
- 000-24531
- Phone
- 2023466500
- Person for whose account securities are to be sold
- Hill John W
- Relationships to issuer
- Director
- Street
- 1201 WILSON BLVD.
- City
- ARLINGTON
- State / country code
- VA
- Postal code
- 22209
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common Stock | 3,500 | 106,067.50 | 405,197,588 | 08/05/2026 | NASDAQ | Ameritas Investment Corp |
Broker / market maker — proposed row 1, entry 1
- Name
- Ameritas Investment Corp
- Street
- 5900
- Street (continued)
- O Street
- City
- Lincoln
- State / country code
- NE
- Postal code
- 68501
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common Stock | 11/01/2025 | Payment for services rendered | Costar | 989 | N | 11/01/2025 | Compensation |
| Common Stock | 09/15/2025 | Payment for services rendered | Costar | 25 | N | 09/15/2025 | Compensation |
| Common Stock | 08/01/2025 | Payment for services rendered | Costar | 922 | N | 08/01/2025 | Compensation |
| Common Stock | 09/15/2024 | Payment for services rendered | Costar | 617 | N | 09/15/2024 | Compensation |
| Common Stock | 09/14/2015 | Payment for services rendered | Costar | 947 | N | 09/14/2015 | Compensation |
Prior-sale reporting
- Nothing to report for the preceding three months
- Y
Notice signature
- Notice date
- 08/05/2026
- Signed
- /s/ Audrey Skillern as a duly authorized representative of National Financial Services LLC, as attorney-in-fact for John W Hill
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.