CSGP stock trades by members of Congress
CoStar Group, Inc. - Common Stock: 12 members of Congress disclosed 48 transactions between 2014-05-06 and 2026-09-10, 21 purchases and 27 sales.
Activity by year
Transactions by the year the report was filed.
CSGP price and Congress trades
Daily closing price (split-adjusted). Dots mark days members of Congress filed trades in CSGP: green when more were purchases, red when more were sales. Use + and − (or Ctrl/⌘ + scroll) to zoom and drag to pan. Hover a month in the heatmap below to highlight it here, or click it to zoom to that month.
Congress buying and selling by month
Purchases and sales of CSGP reported by members of the House and Senate.
Green months had more purchases, red months more sales, teal an even split; darker means more trades. Months are by filing date. Senate filings after August 2026 and scanned House filings are not fully covered, so early years can look quieter than they were.
Who traded CSGP
| Politician | Trades | Buys | Sales | Last filing |
|---|---|---|---|---|
| Gilbert Cisneros | 21 | 14 | 7 | 2026-09-10 |
| Greg Gianforte | 5 | 0 | 5 | 2020-11-09 |
| Josh Gottheimer | 5 | 1 | 4 | 2021-03-10 |
| Lamar Smith | 4 | 2 | 2 | 2018-07-10 |
| Susie Lee | 3 | 0 | 3 | 2021-01-11 |
| Jefferson Shreve | 2 | 1 | 1 | 2025-06-22 |
| Daniel Goldman | 2 | 1 | 1 | 2023-05-19 |
| Lisa McClain | 2 | 1 | 1 | 2025-10-22 |
| William R. Keating | 1 | 1 | 0 | 2025-02-25 |
| Julie Johnson | 1 | 0 | 1 | 2025-02-12 |
| Rob Bresnahan | 1 | 0 | 1 | 2025-05-31 |
| K. Michael Conaway | 1 | 0 | 1 | 2016-10-12 |
Disclosed transactions
Download all transactions as CSV
| Filed | Traded | Politician | Type | Amount | Filing |
|---|---|---|---|---|---|
| 2026-09-10 | 2026-08-19 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-05-08 | 2026-04-14 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 | Source |
| 2026-04-07 | 2026-03-13 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-02-13 | 2026-01-28 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2026-01-12 | 2025-12-10 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-11-18 | 2025-10-15 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-10-22 | 2025-09-25 | Lisa McClain | Sale | $1,001 - $15,000 | Source |
| 2025-10-10 | 2025-09-30 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-10-10 | 2025-09-22 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-09-12 | 2025-08-13 | Lisa McClain | Buy | $1,001 - $15,000 | Source |
| 2025-08-14 | 2025-07-31 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-08-14 | 2025-07-09 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-07-10 | 2025-06-27 | Gilbert Cisneros | Buy | $15,001 - $50,000 | Source |
| 2025-07-10 | 2025-06-30 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-07-10 | 2025-06-25 | Gilbert Cisneros | Buy | $1,001 - $15,000 | Source |
| 2025-06-22 | 2025-05-12 | Jefferson Shreve | Sale | $15,001 - $50,000 | Source |
| 2025-05-31 | 2025-05-15 | Rob Bresnahan | Sale | $1,001 - $15,000 | Source |
| 2025-03-09 | 2025-02-24 | Jefferson Shreve | Buy | $15,001 - $50,000 | Source |
| 2025-02-25 | 2025-01-21 | William R. Keating | Buy | $1,001 - $15,000 | Source |
| 2025-02-12 | 2025-01-15 | Julie Johnson | Sale | $1,001 - $15,000 | Source |
| 2023-05-19 | 2023-04-10 | Daniel Goldman | Buy | $15,001 - $50,000 | Source |
| 2023-04-17 | 2023-03-06 | Daniel Goldman | Sale | $15,001 - $50,000 | Source |
| 2021-03-10 | 2021-02-05 | Josh Gottheimer | Sale | $1,001 - $15,000 g | Source |
| 2021-01-11 | 2020-12-22 | Susie Lee | Sale | $1,001 - $15,000 b | Source |
| 2020-11-09 | 2020-10-13 | Greg Gianforte | Partial sale | $1,001 - $15,000 b | Source |
| 2020-11-05 | 2020-10-07 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 g | Source |
| 2020-10-19 | 2020-09-24 | Greg Gianforte | Partial sale | $100,001 - c $250,000 | Source |
| 2020-10-14 | 2020-09-23 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 c | Source |
| 2020-10-13 | 2020-09-25 | Josh Gottheimer | Partial sale | $1,001 - $15,000 d | Source |
| 2020-05-12 | 2020-05-07 | Greg Gianforte | Partial sale | $50,001 - c $100,000 | Source |
| 2020-04-16 | 2020-03-27 | Gilbert Cisneros | Buy | $15,001 - f $50,000 | Source |
| 2020-04-16 | 2020-03-30 | Gilbert Cisneros | Buy | $1,001 - $15,000 f | Source |
| 2020-03-10 | 2020-02-05 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 f | Source |
| 2020-02-10 | 2020-01-17 | Josh Gottheimer | Partial sale | $1,001 - $15,000 c | Source |
| 2019-12-09 | 2019-11-22 | Josh Gottheimer | Partial sale | $1,001 - $15,000 b | Source |
| 2019-11-15 | 2019-10-09 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 c | Source |
| 2019-10-16 | 2019-09-10 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 g | Source |
| 2019-10-16 | 2019-09-26 | Gilbert Cisneros | Partial sale | $1,001 - $15,000 f | Source |
| 2019-10-01 | 2019-09-06 | Greg Gianforte | Partial sale | $50,001 - b $100,000 | Source |
| 2019-05-09 | 2019-04-23 | Susie Lee | Sale | $1,001 - $15,000 g | Source |
| 2019-04-08 | 2019-03-13 | Susie Lee | Partial sale | $1,001 - $15,000 f | Source |
| 2018-10-02 | 2018-06-21 | Josh Gottheimer | Buy | $1,001 - $15,000 g | Source |
| 2018-07-10 | 2018-06-28 | Lamar Smith | Partial sale | $1,001 - $15,000 b | Source |
| 2017-11-02 | 2017-10-27 | Greg Gianforte | Sale | $100,001 - $250,000 | Source |
| 2017-10-12 | 2017-09-29 | Lamar Smith | Buy | $1,001 - $15,000 | Source |
| 2016-10-12 | 2016-09-12 | K. Michael Conaway | Sale | $1,001 - $15,000 | Source |
| 2015-07-13 | 2015-06-03 | Lamar Smith | Sale | $1,001 - $15,000 | Source |
| 2014-05-06 | 2014-04-24 | Lamar Smith | Buy | $1,001 - $15,000 | Source |
Stocks traded by the same politicians
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- ACN Accenture plc Class A Ordinary Shares, 9 shared
- ADBE Adobe Inc. - Common Stock, 9 shared
- ANET Arista Networks, Inc. Common Stock, 9 shared
- DG Dollar General Corporation Common Stock, 9 shared
- DHR Danaher Corporation Common Stock, 9 shared
Common questions
- Are members of Congress buying or selling CSGP?
- 12 members of Congress disclosed 48 transactions in CoStar Group, Inc. - Common Stock (CSGP) between 2014-05-06 and 2026-09-10: 21 purchases and 27 sales.
- How active was Congress in CSGP recently?
- In 2026 filings, 5 transactions in CSGP were disclosed: 4 purchases and 1 sales.
- Which members of Congress trade CSGP?
- The most active in CSGP are Gilbert Cisneros (21), Greg Gianforte (5) and Josh Gottheimer (5), by number of disclosed transactions. 12 members in all have traded it.