CSGP Costar (CSGP) Insider Trading, Ownership & Congress Trades
Services · Services-business services, nec · CIK 0001057352
C-suite buying · 1Congress · 1Form 144 · 1
Funds added, last quarter
422
13F, latest reported quarter
What the filings say about CSGP
Insiders, 180 days
+$4.8M net bought
1 buyer · 2 sellers · 0% of sales under a 10b5-1 plan
Congress, 1 year
1 bought · 1 sold
Latest: purchase, 2026-08-19
Planned sales (Form 144), 90 days
$106.1K
1 notice
Costar insider trades (Form 4)
Form 4 buys and sells (codes P and S). Grants, option exercises
and conversions excluded.
Over the last 180 days, COSTAR GROUP, INC. insiders bought a net $4.8M of stock across 53 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-27.
Insider
Filed
Shares
Value
Since filing
Context
- 5 earlier Form 4 trades (code P or S) here by this insider (5 sales), the last on Nov 13, 2025.
- The trade is 25.4% of the 18,822 shares held after it.
- 1 other insider sold within 30 days.
- 422 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer Cann Cynthia Cammett sold about $147.4K of CSGP on Aug 7, 2026; 1 other insider sold within 30 days and 422 funds added in the latest 13F quarter.Context
- 11 earlier Form 4 trades (code P or S) here by this insider (11 sales), the last on Nov 13, 2025.
- The trade is 15.2% of the 22,993 shares held after it.
- 1 other insider sold within 30 days.
- 422 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Hill John W sold about $105.7K of CSGP on Aug 5, 2026; 1 other insider sold within 30 days and 422 funds added in the latest 13F quarter.Context
- 5 earlier Form 4 trades (code P or S) here by this insider (4 buys, 1 sale), the last on May 1, 2026.
- -15.1% median (-14.3% mean) 90-day return after 3 previous buys.
- The trade is 4.6% of the 1,806,165 shares held after it.
- No other insider bought within 30 days.
- 422 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Founder and CEO FLORANCE ANDREW C bought about $2.5M of CSGP on Aug 4, 2026, the largest insider purchase at the company on our record; 422 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (2 buys, 1 sale), the last on Feb 27, 2026.
- -13.9% median (-13.9% mean) 90-day return after 2 previous buys.
- The trade is 4.0% of the 1,719,765 shares held after it.
- No other insider bought within 30 days.
- 422 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO FLORANCE ANDREW C bought about $2.4M of CSGP on May 1, 2026; 422 funds added in the latest 13F quarter.Context
- 3 earlier Form 4 trades (code P or S) here by this insider (2 buys, 1 sale), the last on Feb 27, 2026.
- -13.9% median (-13.9% mean) 90-day return after 2 previous buys.
- The trade is 0.2% of the 1,722,865 shares held after it.
- No other insider bought within 30 days.
- 422 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: President and CEO FLORANCE ANDREW C bought about $111.0K of CSGP on May 1, 2026; 422 funds added in the latest 13F quarter.53 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Seven facts, ranked against the sector ·
Rank is not a forecast
Insiders
net +$4.8M over 180 days
+$2.2M over 90 days
more than 97% of Services
Congress
1 member bought in the last year
the lowest in Services
Funds
422 funds bought in last quarter
more than 92% of Services
Revenue
+18.7% year over year
more than 75% of Services
Margin
0.2% net margin
below 59% of Services
Buybacks
$587.0M repurchased, FY to 2026-06-30
more than 82% of Services
Short interest
3.3% of the float short (float per yahoo 2026-10-26) · 2.0 days to cover · settled 2026-09-30
more than 58% of Services
What changed in the last 30 days
Nothing new filed in the last 30 days
Watch CSGP
A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.
The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-56.1%12M
Insider buyInsider sellForm 144 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart.
When a name files heavily, the largest trades are drawn first.
Who owns CSGP: institutional holders (13F)
13F holdings, latest reported quarter
37,914,844 sh
$1.1B
33,813,969 sh
$957.6M
26,683,792 sh
$755.7M
21,626,763 sh
$612.5M
18,410,876 sh
$521.4M
Congress trades in CSGP
STOCK Act disclosures, US House only, filed up to 45 days after the trade
Bought 2026-08-19 · disclosed 22 days later
$1,001 - $15,000
Sold 2026-04-14 · disclosed 24 days later
$1,001 - $15,000
Bought 2026-03-13 · disclosed 25 days later
$1,001 - $15,000
Bought 2026-01-28 · disclosed 16 days later
$1,001 - $15,000
Bought 2025-12-10 · disclosed 33 days later
$1,001 - $15,000
Activist and 5% holders (13D/13G)
No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.
CSGP planned insider sales (Form 144)
Notice of intent to sell, filed before any sale
Hill John W
Filed 2026-08-05
$106.1K
CSGP mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
Akre Focus ETF
$244.2M position · as of 2026-07-31
4.7%
Spyglass Growth Fund
$41.1M position · as of 2026-06-30
4.1%
Global X E-commerce ETF
$1.1M position · as of 2026-07-31
4.0%
VY(R) BARON GROWTH PORTFOLIO
$7.3M position · as of 2026-06-30
3.5%
Invesco S&P 500 Equal Weight Real Estate ETF
$2.7M position · as of 2026-07-31
2.7%
Polen Growth Fund
$44.0M position · as of 2026-07-31
2.7%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Executive pay vs shareholder return · Andrew C. Florance
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$36.4M
$33.2M
$8.1M
+12%
+23%
2024
$37.4M
$8.2M
$8.2M
+20%
+19%
2023
$29.2M
$28.6M
$7.3M
+46%
+13%
2022
$19.4M
$16.2M
$5.6M
+29%
+1%
2021
$22.2M
$11.4M
$6.6M
+32%
+37%
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $4.8M bought by insiders over 180 days, 422 funds added last quarter, 1 House member(s) bought in 12 months, disclosed weeks after the trade, $106.1K in planned Form 144 sales. Each figure is a federal filing, dated the day it went public.
CSGP financials
Revenue growth
+18.7%
XBRL, annual
Net margin
0.2%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$3.6B
four quarters, 2025-07-01 to 2026-06-30
Revenue, TTM CSGP
| FY Dec 2025 | $3.2B |
| FY Dec 2024 | $2.7B |
| FY Dec 2023 | $2.5B |
| FY Dec 2022 | $2.2B |
| FY Dec 2021 | $1.9B |
| Jun 2026 | $925.0M |
| Mar 2026 | $897.0M |
| Dec 2025 | $899.9M |
| Sep 2025 | $833.6M |
| Jun 2025 | $781.3M |
| Mar 2025 | $732.2M |
| Dec 2024 | $709.4M |
| Sep 2024 | $692.6M |
At each fiscal year end
Single quarter
Net margin, TTM
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Net margin, TTM CSGP
| FY Dec 2025 | n/a |
| FY Dec 2024 | +5.1% |
| FY Dec 2023 | +15.3% |
| FY Dec 2022 | +16.9% |
| FY Dec 2021 | +15.1% |
| Jun 2026 | +5.9% |
| Mar 2026 | +0.3% |
| Dec 2025 | +5.1% |
| Sep 2025 | -3.7% |
| Jun 2025 | +0.8% |
| Mar 2025 | -2.0% |
| Dec 2024 | +8.4% |
| Sep 2024 | +7.7% |
At each fiscal year end
Single quarter
Free cash flow, TTM
$280.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM CSGP
| FY Dec 2025 | $123.0M |
| FY Dec 2024 | -$186.0M |
| FY Dec 2023 | $372.0M |
| FY Dec 2022 | $443.5M |
| FY Dec 2021 | $346.0M |
| Jun 2026 | $77.0M |
| Mar 2026 | $107.0M |
| Dec 2025 | $101.3M |
| Sep 2025 | -$5.3M |
| Jun 2025 | $28.0M |
| Mar 2025 | -$1.0M |
| Dec 2024 | $25.6M |
| Sep 2024 | $40.2M |
At each fiscal year end
Single quarter
Debt to equity
0.13x
long-term 2026-06-30 plus current 2017-12-31 (103 months older than the period end); equity 2026-06-30
Debt to equity CSGP
| FY Dec 2025 | 0.12x |
| FY Dec 2024 | 0.13x |
| FY Dec 2023 | 0.13x |
| FY Dec 2022 | 0.14x |
| FY Dec 2021 | 0.17x |
| Jun 2026 | 0.13x |
| Mar 2026 | 0.13x |
| Dec 2025 | 0.12x |
| Sep 2025 | 0.12x |
| Jun 2025 | 0.12x |
| Mar 2025 | 0.12x |
| Dec 2024 | 0.13x |
| Sep 2024 | 0.13x |
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
0.50x
TTM operating cash flow over long-term 2026-06-30 plus current 2017-12-31 (103 months older than the period end)
Cash flow to debt CSGP
| FY Dec 2025 | 0.43x |
| FY Dec 2024 | 0.40x |
| FY Dec 2023 | 0.49x |
| FY Dec 2022 | 0.48x |
| FY Dec 2021 | 0.48x |
| Jun 2026 | 0.50x |
| Mar 2026 | 0.53x |
| Dec 2025 | 0.43x |
| Sep 2025 | 0.37x |
| Jun 2025 | 0.40x |
| Mar 2025 | 0.31x |
| Dec 2024 | 0.40x |
| Sep 2024 | 0.45x |
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Return on equity CSGP
| FY Dec 2025 | n/a |
| FY Dec 2024 | +1.9% |
| FY Dec 2023 | +5.3% |
| FY Dec 2022 | +5.9% |
| FY Dec 2021 | +5.3% |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | +0.2% |
| Jun 2025 | +1.3% |
| Mar 2025 | +1.5% |
| Dec 2024 | +1.9% |
| Sep 2024 | +2.4% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
n/a
the filed year and its quarters do not reconcile, so the trailing figure is withheld
Return on assets CSGP
| FY Dec 2025 | n/a |
| FY Dec 2024 | +1.5% |
| FY Dec 2023 | +4.3% |
| FY Dec 2022 | +4.7% |
| FY Dec 2021 | +4.1% |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | +0.2% |
| Jun 2025 | +1.1% |
| Mar 2025 | +1.2% |
| Dec 2024 | +1.5% |
| Sep 2024 | +2.0% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on invested capital CSGP
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | +7.0% |
| FY Dec 2022 | +11.9% |
| FY Dec 2021 | +11.2% |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | +0.7% |
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
+0.8%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed CSGP
| FY Dec 2025 | -0.8% |
| FY Dec 2024 | n/a |
| FY Dec 2023 | +3.4% |
| FY Dec 2022 | +6.0% |
| FY Dec 2021 | +6.4% |
| Jun 2026 | +0.8% |
| Mar 2026 | -0.3% |
| Dec 2025 | -0.8% |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | +0.4% |
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
178.53x
close 2026-10-23 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
P/E, trailing CSGP
| FY Dec 2025 | 6,724.00x |
| FY Dec 2024 | 204.54x |
| FY Dec 2023 | 94.99x |
| FY Dec 2022 | 83.10x |
| FY Dec 2021 | 106.80x |
| Jun 2026 | 149.05x |
| Mar 2026 | 672.33x |
| Dec 2025 | 6,724.00x |
| Sep 2025 | 1,687.40x |
| Jun 2025 | 321.60x |
| Mar 2025 | 273.21x |
| Dec 2024 | 204.54x |
| Sep 2024 | 171.45x |
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$13.5B
market value at close 2026-10-23 on 2026-07-27 shares, plus long-term 2026-06-30 plus current 2017-12-31 (103 months older than the period end), minus cash 2026-06-30
Enterprise value CSGP
| FY Dec 2025 | $27.9B |
| FY Dec 2024 | $25.7B |
| FY Dec 2023 | $31.5B |
| FY Dec 2022 | $27.4B |
| FY Dec 2021 | $28.4B |
| Jun 2026 | $11.3B |
| Mar 2026 | $16.7B |
| Dec 2025 | $27.9B |
| Sep 2025 | $34.8B |
| Jun 2025 | $31.3B |
| Mar 2025 | $29.8B |
| Dec 2024 | $25.7B |
| Sep 2024 | $26.7B |
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
+2.0%
TTM free cash flow over market value at close 2026-10-23
FCF yield CSGP
| FY Dec 2025 | +0.4% |
| FY Dec 2024 | -0.6% |
| FY Dec 2023 | +1.0% |
| FY Dec 2022 | +1.4% |
| FY Dec 2021 | +1.1% |
| Jun 2026 | +2.4% |
| Mar 2026 | +1.4% |
| Dec 2025 | +0.4% |
| Sep 2025 | +0.1% |
| Jun 2025 | +0.3% |
| Mar 2025 | +0.2% |
| Dec 2024 | -0.6% |
| Sep 2024 | -0.4% |
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing EPS growth -24%, PEG needs growth
PEG, trailing CSGP
| FY Dec 2025 | n/a |
| FY Dec 2024 | n/a |
| FY Dec 2023 | n/a |
| FY Dec 2022 | 3.24x |
| FY Dec 2021 | n/a |
| Jun 2026 | n/a |
| Mar 2026 | n/a |
| Dec 2025 | n/a |
| Sep 2025 | n/a |
| Jun 2025 | n/a |
| Mar 2025 | n/a |
| Dec 2024 | n/a |
| Sep 2024 | n/a |
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-10-23. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
| 2025-12 | 2024-12 | 2023-12 | 2022-12 | |
|---|---|---|---|---|
| Revenue | $3.2B | $2.7B | $2.5B | $2.2B |
| Gross profit | $2.6B | $2.2B | $2.0B | $1.8B |
| Operating income | -$72.0M | $5.0M | $282.0M | $451.0M |
| Net income | $6.5M | $138.7M | $374.7M | $369.5M |
| EPS (diluted) | 0.02 | 0.34 | 0.92 | 0.93 |
| Operating cash flow | $430.0M | $393.0M | $490.0M | $478.7M |
| Cash | $1.6B | $4.7B | $5.2B | $5.0B |
| Long-term debt | $993.0M | $992.0M | $990.5M | $989.2M |
| Buybacks | $500.0M | $0 | $0 | n/a |
SEC XBRL, fiscal years, as known on 2026-10-27
CSGP Stock Sonar score 5/7 axes
Find similar shapesCompareCSGP ranks highest on growth (80th percentile) and insider conviction (77th), and lowest on risk and compliance (31st), among Services peers.
5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
CSGP filings, in plain words
Are Costar insiders buying or selling CSGP?
In the 180 days to 2026-10-27, Costar insiders were net buyers, a net $4.8M: $5.0M of purchases and $253.1K of sales reported on Form 4, by 1 buyer and 2 sellers.
Have members of Congress traded CSGP?
Yes. In the year to 2026-10-27, 1 House member disclosed buying CSGP and 1 House member disclosed selling it; the latest on record is a purchase by Gilbert Cisneros dated 2026-08-19.
Are there planned insider sales of CSGP?
Yes. 1 Form 144 notice of planned insider sales was filed in the 90 days to 2026-10-27, covering $106.1K of stock; the latest, by Hill John W, was filed 2026-08-05.
Read the full summary
In the 180 days to 2026-10-27, Costar insiders were net buyers of CSGP, a net $4.8M across purchases and sales reported on Form 4 by 1 buyer and 2 sellers. Purchases outweighed sales more than tenfold by value. In the year to 2026-10-27, 1 member of Congress disclosed buying CSGP and 1 member disclosed selling it; the latest on record is a purchase by Gilbert Cisneros dated 2026-08-19. Insiders filed 1 Form 144 notice of intent to sell in the 90 days to 2026-10-27, covering $106.1K of stock. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.
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