14 members of Congress have disclosed 113 trades in Costar Group, Inc. (CSGP) since 2014: 59 purchases worth about $570.03K and 54 sales worth about $949.03K. The most active was Ro Khanna, with 63 trades. The latest trade was made on Sep 25, 2026.
CSGP’s price and SPY’s, both as the change since the start of the range. A green triangle marks a day members bought CSGP, a red one a day they sold; hover for who and how much.
| # | Member | Trades | Buys | Sells | Bought (est.) | Sold (est.) | Net | Buys vs SPY | First Traded | Last Traded |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ro KhannaD-CA | 63 | 36 | 27 | $288.02K | $216.01K | +$72.00K | -103.9% | Apr 7, 2020 | Sep 25, 2026 |
| 2 | Gilbert Ray Cisneros, Jr.D-CA | 21 | 14 | 7 | $161.01K | $56.00K | +$105.00K | -91.6% | Sep 10, 2019 | Aug 19, 2026 |
| 3 | Lisa C. McClainR-MI | 2 | 1 | 1 | $8.00K | $8.00K | $0.00 | -80.3% | Aug 13, 2025 | Sep 25, 2025 |
| 4 | Jefferson ShreveR-IN | 2 | 1 | 1 | $32.50K | $32.50K | $0.00 | -84.9% | Feb 24, 2025 | May 12, 2025 |
| 5 | Robert P. Bresnahan, Jr.R-PA | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | May 15, 2025 | May 15, 2025 |
| 6 | William R. KeatingD-MA | 1 | 1 | 0 | $8.00K | $0.00 | +$8.00K | -81.8% | Jan 21, 2025 | Jan 21, 2025 |
| 7 | Julie JohnsonD-TX | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Jan 15, 2025 | Jan 15, 2025 |
| 8 | Daniel S. GoldmanD-NY | 2 | 1 | 1 | $32.50K | $32.50K | $0.00 | -137.4% | Mar 6, 2023 | Apr 10, 2023 |
| 9 | Josh GottheimerD-NJ | 5 | 1 | 4 | $8.00K | $32.00K | -$24.00K | -197.6% | Jun 21, 2018 | Feb 5, 2021 |
| 10 | Susie LeeD-NV | 3 | 0 | 3 | $0.00 | $24.00K | -$24.00K | – | Mar 13, 2019 | Dec 22, 2020 |
| 11 | Greg GianforteR-MT | 5 | 0 | 5 | $0.00 | $508.00K | -$508.00K | – | Oct 27, 2017 | Oct 13, 2020 |
| 12 | John K. DelaneyD-MD | 2 | 2 | 0 | $16.00K | $0.00 | +$16.00K | -192.9% | Nov 4, 2018 | Dec 11, 2018 |
| 13 | Lamar SmithR-TX | 4 | 2 | 2 | $16.00K | $16.00K | $0.00 | -193.1% | Apr 24, 2014 | Jun 28, 2018 |
| 14 | K. Michael ConawayR-TX | 1 | 0 | 1 | $0.00 | $8.00K | -$8.00K | – | Sep 12, 2016 | Sep 12, 2016 |
| Owner | Type | Filing | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC CMN | Spouse | Buy | $1K–$15K | Sep 25, 2026 | Oct 7, 2026 | 12d | +13.3% | +15.8% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC, CMN | Dependent Child | Buy | $1K–$15K | Sep 11, 2026 | Oct 7, 2026 | 26d | +4.5% | +6.1% | |
| Gilbert Ray Cisneros, Jr.D-CA | CSGPCoStar Group, Inc. - Common Stock | Self | Buy | $1K–$15K | Aug 19, 2026 | Sep 10, 2026 | 22d | -5.7% | -3.5% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC. CMN | Spouse | Sell | $1K–$15K | Jul 20, 2026 | Aug 7, 2026 | 18d | +7.2% | +5.9% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC. CMN | Spouse | Buy | $1K–$15K | Jun 16, 2026 | Jul 6, 2026 | 20d | -0.5% | -0.7% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC. CMN | Spouse | Sell | $1K–$15K | Jun 30, 2026 | Jul 6, 2026 | 6d | +12.4% | +11.6% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC, CMN | Spouse | Buy | $1K–$15K | May 27, 2026 | Jun 9, 2026 | 13d | -1.5% | -1.8% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC. CMN | Spouse | Sell | $1K–$15K | Apr 13, 2026 | May 11, 2026 | 28d | -14.1% | -23.8% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC. CMN | Spouse | Sell | $1K–$15K | Apr 24, 2026 | May 11, 2026 | 17d | -12.7% | -18.0% | |
| Gilbert Ray Cisneros, Jr.D-CA | CSGPCoStar Group, Inc. - Common Stock | Self | Sell (Partial) | $1K–$15K | Apr 14, 2026 | May 8, 2026 | 24d | -15.4% | -23.7% | |
| Gilbert Ray Cisneros, Jr.D-CA | CSGPCoStar Group, Inc. - Common Stock | Self | Buy | $1K–$15K | Mar 13, 2026 | Apr 7, 2026 | 25d | -27.1% | -40.6% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC. CMN | Dependent Child | Sell | $1K–$15K | Mar 30, 2026 | Apr 7, 2026 | 8d | -22.2% | -41.2% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC CMN | Spouse | Buy | $1K–$15K | Mar 10, 2026 | Apr 7, 2026 | 28d | -31.3% | -42.4% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP INC CMN | Spouse | Buy | $1K–$15K | Mar 23, 2026 | Apr 7, 2026 | 15d | -25.8% | -40.6% | |
| Ro KhannaD-CA | CSGPCOSTAR GROUP, INC. CMN | Spouse | Sell | $1K–$15K | Feb 5, 2026 | Mar 9, 2026 | 32d | -37.6% | -48.6% |
Tip. Hover a row for the filing’s full asset text and comments; the PDF link opens the report itself.
14 members of Congress have disclosed 113 trades in Costar Group, Inc. (CSGP) since 2014: 59 purchases worth about $570.03K and 54 sales worth about $949.03K. The most active was Ro Khanna, with 63 trades. The latest trade was made on Sep 25, 2026. Most active: Ro Khanna (63), Gilbert Ray Cisneros, Jr. (21), Lisa C. McClain (2), Jefferson Shreve (2), Robert P. Bresnahan, Jr. (1).
Since 2014 they have disclosed 59 purchases and 54 sales; by the midpoints of the disclosed ranges, about $570.03K bought and $949.03K sold, a net sale of $379.00K.
Members of Congress report each trade over $1,000 within 45 days under the STOCK Act, with the amount as a range. The chart marks the days members traded CSGP on its price, against the S&P 500 over the same days.
Members of Congress disclose trades as dollar ranges, up to 45 days after the trade and sometimes later. Volumes use the midpoints of those ranges and are estimates; portfolio figures are a model built from the disclosed trades, not the members’ actual accounts. Not investment advice.