SIMURO FRANK 4

What Happened Frank Simuro, Chief Technology Officer of CoStar Group (CSGP), reported a disposition of 11,107 shares on March 15, 2026 to cover tax liabilities (transaction code F). The filing lists the per-share price used as $43.63 and a total value of $484,598. This was a tax-withholding/net-share settlement event tied to equity compensation rather than an open‑market sale.

Key Details

• Transaction date: 2026-03-15; Price used: $43.63; Shares disposed: 11,107; Reported value: $484,598.
• Filing date: 2026-03-17 (covers the Mar 15 transaction) — appears timely.
• Shares owned after the transaction: not specified in the provided filing data.
• Footnote: F1 notes the $43.63 price is the closing Nasdaq price on Mar 13, 2026 (the last preceding business day).
• Transaction code F indicates payment of exercise price or tax liability (share withholding), not an open-market trade.

Context Code F transactions typically reflect shares withheld by the company to satisfy tax obligations when options are exercised or restricted shares vest (a net-share settlement or tax withholding). These are routine administrative actions and do not necessarily signal the insider’s view on the company’s stock.