Sams Louise S 4
4 · COSTAR GROUP, INC. · Filed Mar 9, 2026
Research Summary
AI-generated summary of this filing
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.
Insider Transaction Report
Form 4
Sams Louise S
Director
Transactions
- Purchase
Common Stock, par value $0.01 per share
2026-03-06$48.36/sh+1,000$48,360→ 20,409 total
Signature
/s/ Gene Boxer, Attorney-in-Fact|2026-03-09