CSGP Insider Trading Activity and SEC Form 4 Filings
Trump's trades in CSGP
From his financial disclosures
$270K+
10 purchases
$306K+
11 sales
Purchase
Jul 24, 2026
Reported 60d later
$1K - $15K
Sale
Jul 8, 2026
Reported 76d later
$1K - $15K
Sale
Jun 24, 2026
Reported 59d later
$50K - $100K
Sale
Jun 23, 2026
Reported 60d later
$1K - $15K
Sale
Jun 18, 2026
Reported 65d later
$100K - $250K
Purchase
Jun 3, 2026
Reported 80d later
$1K - $15K
Many orders in these accounts are placed by the account manager. See all 21 trades
CSGP insider trading summary
Over the past 12 months, insiders at Costar Group, Inc. (CSGP) reported 5 open-market purchases worth $7.5M by 2 insiders and 4 sales worth $534K by 2 insiders on SEC Form 4. Net insider buying was $7.0M.
Latest CSGP insider buys and sells
| Date | Insider | Role | Type | Value |
|---|---|---|---|---|
| Aug 7, 2026 | Cynthia Cammett Cann | Chief Accounting Officer | Sell | $147K (4,788 @ $30.78) |
| Aug 5, 2026 | John W Hill | Director | Sell | $106K (3,500 @ $30.21) |
| Aug 4, 2026 | Andrew C Florance | Founder and CEO | Buy | $2.5M (83,300 @ $29.89) |
| May 1, 2026 | Andrew C Florance | President and CEO | Buy | $111K (3,100 @ $35.82) |
| May 1, 2026 | Andrew C Florance | President and CEO | Buy | $2.4M (68,330 @ $35.17) |
| Mar 6, 2026 | Louise S Sams | Director | Buy | $48K (1,000 @ $48.36) |
| Feb 27, 2026 | Andrew C Florance | President and CEO | Buy | $2.5M (55,720 @ $44.52) |
| Nov 13, 2025 | John W Hill | Director | Sell | $155K (2,250 @ $68.68) |
| Nov 13, 2025 | Cynthia Cammett Cann | Chief Accounting Officer | Sell | $127K (1,841 @ $68.79) |
| Aug 28, 2025 | Frederick G. Saint | President, Marketplaces | Sell | $2.3M (25,000 @ $90.33) |
Source: SEC Form 4 filings. Open-market purchases (code P) and sales (code S) only; option exercises, grants and gifts are excluded.