FLORANCE ANDREW C 4

What Happened Andrew C. Florance, President, CEO and a Director of CoStar Group (CSGP), was granted 124,162 Deferred Stock Units/Restricted Stock Units on 2026-03-10. The units were issued under the company's Management Stock Purchase Plan via conversion of his annual cash incentive at $46.34 per unit, representing an aggregate value of about $5.75 million. This is an award (transaction code A), not an open‑market purchase or sale.

Key Details

• Transaction date: March 10, 2026; Form 4 filed March 11, 2026 (timely).
• Units granted: 124,162 Deferred Stock Units / RSUs.
• Conversion/valuation: $46.34 per unit → total ≈ $5,753,667.
• Vesting: RSUs vest in full after four years (per footnote F1).
• Mechanism: Annual cash incentive was converted to Deferred Stock Units under the Management Stock Purchase Plan.
• Shares owned after transaction: Not disclosed in this filing.
• Transaction type: Award/Grant (code A); no sale or exercise occurred.

Context These units are deferred/restricted awards tied to Florance’s compensation and will vest over time, so they do not represent an immediate market purchase or sale. Such grants are common for executive compensation and should be interpreted as compensation-related transfers rather than direct endorsements of short‑term stock moves.