Congress Watch

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.

48transactions
21purchases
27sales
12politicians

Activity by year

Disclosed transactions in CSGP per year010202014: 120142015: 120152016: 120162017: 220172018: 220182019: 720192020: 1020202021: 220212023: 220232025: 1520252026: 52026

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.

CSGP purchases and sales by members of Congress, by monthJanFebMarAprMayJunJulAugSepOctNovDec2026Jan 2026: 1 buy, 0 salesFeb 2026: 1 buy, 0 salesMar 2026: no activityApr 2026: 1 buy, 0 salesMay 2026: 0 buys, 1 saleJun 2026: no activityJul 2026: no activityAug 2026: no activitySep 2026: 1 buy, 0 salesOct 2026: no activityNov 2026: no activityDec 2026: no activity2025Jan 2025: no activityFeb 2025: 1 buy, 1 saleMar 2025: 1 buy, 0 salesApr 2025: no activityMay 2025: 0 buys, 1 saleJun 2025: 0 buys, 1 saleJul 2025: 3 buys, 0 salesAug 2025: 2 buys, 0 salesSep 2025: 1 buy, 0 salesOct 2025: 2 buys, 1 saleNov 2025: 1 buy, 0 salesDec 2025: no activity2024Jan 2024: no activityFeb 2024: no activityMar 2024: no activityApr 2024: no activityMay 2024: no activityJun 2024: no activityJul 2024: no activityAug 2024: no activitySep 2024: no activityOct 2024: no activityNov 2024: no activityDec 2024: no activity2023Jan 2023: no activityFeb 2023: no activityMar 2023: no activityApr 2023: 0 buys, 1 saleMay 2023: 1 buy, 0 salesJun 2023: no activityJul 2023: no activityAug 2023: no activitySep 2023: no activityOct 2023: no activityNov 2023: no activityDec 2023: no activity2022Jan 2022: no activityFeb 2022: no activityMar 2022: no activityApr 2022: no activityMay 2022: no activityJun 2022: no activityJul 2022: no activityAug 2022: no activitySep 2022: no activityOct 2022: no activityNov 2022: no activityDec 2022: no activity2021Jan 2021: 0 buys, 1 saleFeb 2021: no activityMar 2021: 0 buys, 1 saleApr 2021: no activityMay 2021: no activityJun 2021: no activityJul 2021: no activityAug 2021: no activitySep 2021: no activityOct 2021: no activityNov 2021: no activityDec 2021: no activity2020Jan 2020: no activityFeb 2020: 0 buys, 1 saleMar 2020: 0 buys, 1 saleApr 2020: 2 buys, 0 salesMay 2020: 0 buys, 1 saleJun 2020: no activityJul 2020: no activityAug 2020: no activitySep 2020: no activityOct 2020: 0 buys, 3 salesNov 2020: 0 buys, 2 salesDec 2020: no activity2019Jan 2019: no activityFeb 2019: no activityMar 2019: no activityApr 2019: 0 buys, 1 saleMay 2019: 0 buys, 1 saleJun 2019: no activityJul 2019: no activityAug 2019: no activitySep 2019: no activityOct 2019: 0 buys, 3 salesNov 2019: 0 buys, 1 saleDec 2019: 0 buys, 1 sale2018Jan 2018: no activityFeb 2018: no activityMar 2018: no activityApr 2018: no activityMay 2018: no activityJun 2018: no activityJul 2018: 0 buys, 1 saleAug 2018: no activitySep 2018: no activityOct 2018: 1 buy, 0 salesNov 2018: no activityDec 2018: no activity2017Jan 2017: no activityFeb 2017: no activityMar 2017: no activityApr 2017: no activityMay 2017: no activityJun 2017: no activityJul 2017: no activityAug 2017: no activitySep 2017: no activityOct 2017: 1 buy, 0 salesNov 2017: 0 buys, 1 saleDec 2017: no activity2016Jan 2016: no activityFeb 2016: no activityMar 2016: no activityApr 2016: no activityMay 2016: no activityJun 2016: no activityJul 2016: no activityAug 2016: no activitySep 2016: no activityOct 2016: 0 buys, 1 saleNov 2016: no activityDec 2016: no activity2015Jan 2015: no activityFeb 2015: no activityMar 2015: no activityApr 2015: no activityMay 2015: no activityJun 2015: no activityJul 2015: 0 buys, 1 saleAug 2015: no activitySep 2015: no activityOct 2015: no activityNov 2015: no activityDec 2015: no activity2014Jan 2014: no activityFeb 2014: no activityMar 2014: no activityApr 2014: no activityMay 2014: 1 buy, 0 salesJun 2014: no activityJul 2014: no activityAug 2014: no activitySep 2014: no activityOct 2014: no activityNov 2014: no activityDec 2014: no activity

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

PoliticianTradesBuysSalesLast filing
Gilbert Cisneros 211472026-09-10
Greg Gianforte 5052020-11-09
Josh Gottheimer 5142021-03-10
Lamar Smith 4222018-07-10
Susie Lee 3032021-01-11
Jefferson Shreve 2112025-06-22
Daniel Goldman 2112023-05-19
Lisa McClain 2112025-10-22
William R. Keating 1102025-02-25
Julie Johnson 1012025-02-12
Rob Bresnahan 1012025-05-31
K. Michael Conaway 1012016-10-12

Disclosed transactions

Download all transactions as CSV

FiledTradedPoliticianTypeAmountFiling
2026-09-102026-08-19 Gilbert Cisneros Buy$1,001 - $15,000 Source
2026-05-082026-04-14 Gilbert Cisneros Partial sale$1,001 - $15,000 Source
2026-04-072026-03-13 Gilbert Cisneros Buy$1,001 - $15,000 Source
2026-02-132026-01-28 Gilbert Cisneros Buy$1,001 - $15,000 Source
2026-01-122025-12-10 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-11-182025-10-15 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-10-222025-09-25 Lisa McClain Sale$1,001 - $15,000 Source
2025-10-102025-09-30 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-10-102025-09-22 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-09-122025-08-13 Lisa McClain Buy$1,001 - $15,000 Source
2025-08-142025-07-31 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-08-142025-07-09 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-07-102025-06-27 Gilbert Cisneros Buy$15,001 - $50,000 Source
2025-07-102025-06-30 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-07-102025-06-25 Gilbert Cisneros Buy$1,001 - $15,000 Source
2025-06-222025-05-12 Jefferson Shreve Sale$15,001 - $50,000 Source
2025-05-312025-05-15 Rob Bresnahan Sale$1,001 - $15,000 Source
2025-03-092025-02-24 Jefferson Shreve Buy$15,001 - $50,000 Source
2025-02-252025-01-21 William R. Keating Buy$1,001 - $15,000 Source
2025-02-122025-01-15 Julie Johnson Sale$1,001 - $15,000 Source
2023-05-192023-04-10 Daniel Goldman Buy$15,001 - $50,000 Source
2023-04-172023-03-06 Daniel Goldman Sale$15,001 - $50,000 Source
2021-03-102021-02-05 Josh Gottheimer Sale$1,001 - $15,000 g Source
2021-01-112020-12-22 Susie Lee Sale$1,001 - $15,000 b Source
2020-11-092020-10-13 Greg Gianforte Partial sale$1,001 - $15,000 b Source
2020-11-052020-10-07 Gilbert Cisneros Partial sale$1,001 - $15,000 g Source
2020-10-192020-09-24 Greg Gianforte Partial sale$100,001 - c $250,000 Source
2020-10-142020-09-23 Gilbert Cisneros Partial sale$1,001 - $15,000 c Source
2020-10-132020-09-25 Josh Gottheimer Partial sale$1,001 - $15,000 d Source
2020-05-122020-05-07 Greg Gianforte Partial sale$50,001 - c $100,000 Source
2020-04-162020-03-27 Gilbert Cisneros Buy$15,001 - f $50,000 Source
2020-04-162020-03-30 Gilbert Cisneros Buy$1,001 - $15,000 f Source
2020-03-102020-02-05 Gilbert Cisneros Partial sale$1,001 - $15,000 f Source
2020-02-102020-01-17 Josh Gottheimer Partial sale$1,001 - $15,000 c Source
2019-12-092019-11-22 Josh Gottheimer Partial sale$1,001 - $15,000 b Source
2019-11-152019-10-09 Gilbert Cisneros Partial sale$1,001 - $15,000 c Source
2019-10-162019-09-10 Gilbert Cisneros Partial sale$1,001 - $15,000 g Source
2019-10-162019-09-26 Gilbert Cisneros Partial sale$1,001 - $15,000 f Source
2019-10-012019-09-06 Greg Gianforte Partial sale$50,001 - b $100,000 Source
2019-05-092019-04-23 Susie Lee Sale$1,001 - $15,000 g Source
2019-04-082019-03-13 Susie Lee Partial sale$1,001 - $15,000 f Source
2018-10-022018-06-21 Josh Gottheimer Buy$1,001 - $15,000 g Source
2018-07-102018-06-28 Lamar Smith Partial sale$1,001 - $15,000 b Source
2017-11-022017-10-27 Greg Gianforte Sale$100,001 - $250,000 Source
2017-10-122017-09-29 Lamar Smith Buy$1,001 - $15,000 Source
2016-10-122016-09-12 K. Michael Conaway Sale$1,001 - $15,000 Source
2015-07-132015-06-03 Lamar Smith Sale$1,001 - $15,000 Source
2014-05-062014-04-24 Lamar Smith Buy$1,001 - $15,000 Source

Stocks traded by the same politicians

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.

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