InsiderTrades

FLORANCE ANDREW C

SEC CIK 1066061 · EDGAR

Buying vs selling by month open-market trades, last 42 months, CSGP
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
CSGPCoStar GroupPres, CEO, Dir 1.81M $8.58M $27.68M 332022-02-152026-08-04

Most active insiders at CSGP, 12 months

#InsiderTitleBoughtSold
1 FLORANCE ANDREW CPres, CEO, Dir $7.48M—
2 SAINT FREDERICK G.Pres, Marketplaces $906.6K—
3 Cann Cynthia CammettCAO —$274.0K
4 Hill John WDir —$260.3K
5 Sams Louise SDir $48.4K—
6 Glaser Rachel CDir $44.9K—
7 SIMURO FRANKCTO ——
8 DESMARAIS MICHAEL JCHRO ——
9 Boxer GeneGC, Sec ——
10 Brunner Angelique G.Dir ——

Transactions 33

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-08-05 09:27 2026-08-04 CSGP CoStar Group FLORANCE ANDREW C CEO, Founder, Dir P - Purchase $29.89 +83.3K 1.81M +5% +$2.49M
M 2026-05-04 06:01 2026-05-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir P - Purchase $35.20 +71.4K 1.72M +4% +$2.51M
2026-03-11 2026-03-10 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant — +124.2K 1.65M +8% —
D 2026-03-03 2026-03-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $44.63 -59.6K 1.53M -4% -$2.66M
2026-03-02 2026-02-27 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir P - Purchase $44.52 +55.7K 1.59M +4% +$2.48M
2026-02-23 2026-02-19 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir D - Sale to Iss $0.00 -105.0K 1.55M -6% $0
2026-02-23 2026-02-19 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $49.07 -19.2K 1.53M -1% -$943.2K
2026-02-18 2026-02-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $44.99 -17.5K 1.66M -1% -$786.5K
2025-03-07 2025-03-05 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant — +76.2K 1.67M +5% —
2025-03-03 2025-03-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $76.25 -41.3K 1.60M -3% -$3.15M
D 2025-02-24 2025-02-20 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant $0.00 +451.4K 1.64M +38% $0
D 2025-02-24 2025-02-13 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $73.27 -33.5K 1.19M -3% -$2.46M
D 2025-02-24 2025-02-13 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir D - Sale to Iss $0.00 -28.9K 1.22M -2% $0
2025-02-19 2025-02-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $74.06 -14.2K 1.25M -1% -$1.05M
2024-10-28 2024-10-25 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir P - Purchase $74.67 +14.7K 1.26M +1% +$1.10M
2024-03-05 2024-03-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $87.03 -24.2K 1.25M -2% -$2.11M
D 2024-02-26 2024-02-22 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant $0.00 +367.8K 1.27M +41% $0
D 2024-02-26 2024-02-22 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir D - Sale to Iss $0.00 -31.2K 926.8K -3% $0
D 2024-02-26 2024-02-22 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $83.98 -22.1K 904.8K -2% -$1.85M
2024-02-20 2024-02-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $82.32 -16.3K 958.0K -2% -$1.34M
D 2023-05-02 2023-04-28 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir S - Sale+OE $76.77 -360.5K 974.3K -27% -$27.68M
D 2023-05-02 2023-04-28 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir M - OptEx $18.28 +360.5K 1.33M +37% +$6.59M
2023-03-17 2023-03-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant — +37.8K 983.6K +4% —
2023-03-17 2023-03-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $67.62 -9,261 974.3K -0.9% -$626.2K
2023-03-03 2023-03-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $70.66 -24.2K 964.1K -2% -$1.71M
D 2023-02-16 2023-02-15 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $76.78 -12.5K 988.3K -1% -$957.5K
D 2023-02-16 2023-02-14 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir D - Sale to Iss $0.00 -68.5K 714.9K -9% $0
D 2023-02-16 2023-02-14 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant $0.00 +285.9K 1.00M +40% $0
2022-09-15 2022-09-14 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant $0.00 +48 783.4K +0.0% $0
2022-03-03 2022-03-01 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $61.01 -11.5K 783.4K -1% -$704.1K
DM 2022-02-18 2022-02-15+ CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir F - Tax $67.03 -83.0K 680.3K -11% -$5.56M
D 2022-02-18 2022-02-16 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir D - Sale to Iss $0.00 -34.7K 645.6K -5% $0
D 2022-02-18 2022-02-16 CSGP CoStar Group FLORANCE ANDREW C Pres, CEO, Dir A - Grant $0.00 +199.9K 794.9K +34% $0

Purchase Sale Sale after option exercise All abbreviations