Sams Louise S 4

What Happened
Louise S. Sams, a director of CoStar Group, Inc. (CSGP), was granted an award of 8,262 restricted shares on June 23, 2026. The shares were issued at $0.00 (no cash paid) as an equity award; reported value at grant is $0 on the Form 4 because this is a restricted stock award rather than an open-market purchase or sale.

Key Details

• Transaction date: 2026-06-23; Filing date: 2026-06-24 (filed the next day).
• Transaction type/code: Award/Grant (A). Shares granted: 8,262; price per share: $0.00; reported acquisition value: $0.
• Shares owned after transaction: Not specified in the provided filing.
• Footnote: The award vests in full on the earlier of (a) the first anniversary of the grant date or (b) the Company’s 2027 Annual Meeting of Stockholders.
• Timeliness: Filed within one day of the transaction (appears timely under Form 4 rules).

Context
This was a restricted stock award (compensation), not an open-market buy or sale. The shares are subject to vesting conditions, so they are not immediately liquid. Such awards are routine for directors and reflect equity-based compensation rather than an immediate market view.