CoStar Group (CSGP) Director Louise Sams Buys 1,000 Shares

What Happened

Director Louise S. Sams purchased 1,000 shares of CoStar Group (CSGP) in an open-market transaction on March 6, 2026. The shares were acquired at $48.36 each for a total cost of $48,360. This was a purchase (insider buy), which some investors view as a more informative signal than routine sales.

Key Details

• Transaction date and price: 2026-03-06, 1,000 shares at $48.36 per share (total $48,360).
• Transaction type/code: Open-market purchase (Code P = Purchase).
• Shares owned after transaction: Not specified in this Form 4 filing.
• Filing: Report filed 2026-03-09 (timely under Form 4 reporting rules).
• Remarks/footnotes: Exhibit 24 (Power of Attorney) is attached; no 10b5-1 plan or other special instructions disclosed.

Context

• Insider purchases can be interpreted as a positive indicator, but a single small-to-midsize buy (~$48k) should be considered alongside other insider activity and company fundamentals.
• No option exercises, gifts, or immediate sales tied to this transaction were reported.