CoStar Group Completes Acquisition of Zonda for $800M

What Happened CoStar Group, Inc. (CSGP) filed a Form 8-K on August 21, 2026 to disclose that it completed the acquisition of Bora, Inc. and its subsidiaries (collectively branded as “Zonda”). The transaction was completed for $800 million in cash, and CoStar furnished a press release announcing the closing as Exhibit 99.1 to the 8-K.

Key Details

• Transaction: Acquisition of Bora, Inc. and subsidiaries (referred to as Zonda).
• Purchase price: $800 million paid in cash.
• Filing: Form 8-K filed August 21, 2026 under Regulation FD disclosure; press release furnished as Exhibit 99.1.
• Signing official: Form 8-K signed by Robin Rossmann, Chief Financial Officer.

Why It Matters The cash acquisition is a material corporate event for investors — it represents an $800 million cash outflow and expands CoStar’s business through the addition of Zonda. While the 8-K furnishes the closing announcement, investors should watch upcoming SEC filings (quarterly or annual reports) for details on how the purchase is financed, purchase accounting, and any expected impact on revenue, earnings, and balance sheet metrics.