Louise S. Sams serves as Executive at COSTAR GROUP, INC., where they oversee executive responsibilities. Since joining the company, Louise S. Sams has executed 12 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Sep 9, 2025 involved receiving (via award) 3,291 shares valued at $0.
Louise S. Sams currently holds 19,409 shares of COSTAR GROUP, INC. (CSGP), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Louise S. Sams has been a net neutral trader of CSGP stock. They have purchased $0 and sold $0 worth of shares.
Louise S. Sams's most recent insider trade was on Sep 9, 2025, when they sold 3,291 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jul 17, 2024 | CSGP | $0 | Award | 3,491 | $N/A | Discretionary |
| Apr 26, 2024 | ROL | $0 | Award | 2,228 | $N/A | Discretionary |
| Oct 30, 2023 | CSGP | $0 | Award | 3,744 | $N/A | Discretionary |
| Jun 28, 2023 | LOOP | $0 | Award | 28,841 | $N/A | Discretionary |
| Apr 28, 2023 | ROL | $0 | Award | 2,367 | $N/A | Discretionary |
| Sep 14, 2022 | CSGP | $0 | Award | 3,583 | $N/A | Discretionary |
| Jun 28, 2022 | LOOP | $0 | Award | 16,686 | $N/A | Discretionary |
| Apr 29, 2022 | ROL | $0 | Award | 1,342 | $N/A | Discretionary |
| Sep 15, 2021 | CSGP | $265.1K | Award | 2,980 | $88.95 | Discretionary |
| Sep 24, 2020 | CSGP | $0 | Award | 232 | $N/A | Discretionary |