CoStar Group (CSGP) insider trading

By person

25 insiders · 115 transactions

55.5×

Andrew C. Florance holds 55.5 times base salary in stock. $55.59M of shares against $1.00M in salary for 2025.

Salary from the company's own proxy. The shares are what Andrew C. Florance last reported holding, valued at $30.78, the price Common Stock, par value $0.01 per share was last bought or sold at on the open market here, on 7 Aug 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Andrew C Florance

Founder and CEO

$8.58M (5)

$186.93M (14) scheduled

−$178.35M

1,806,165

0.4457%

$55.59M

+133.2%

Scott T Wheeler

Chief Financial Officer

—

$45.17M (12) scheduled

−$45.17M

304,958

0.0753%

$9.39M

+25.0%

Michael R Klein

Director

—

$38.50M (7)

−$38.50M

1,848,592

0.4562%

$56.90M

−23.0%

Francis Carchedi

Executive VP, Corp. Dev.

—

$20.86M (5) scheduled

−$20.86M

6,540

0.0016%

$201.30K

−72.7%

Matthew Linnington

Executive VP, Sales

—

$18.58M (8) scheduled

−$18.58M

19,766

0.0049%

$608.40K

−3.3%

Frederick G. Saint

President, Marketplaces

$906.60K (1)

$15.76M (6)

−$14.85M

278,415

0.0687%

$8.57M

+18.5%

Lisa Ruggles

Senior VP, Global Operations

—

$13.23M (5)

−$13.23M

174,915

0.0432%

$5.38M

+18.6%

Frank Simuro

Chief Technology Officer

—

$10.74M (2)

−$10.74M

414,491

0.1023%

$12.76M

+38.7%

John W Hill

Director

—

$4.28M (17)

−$4.28M

22,993

0.0057%

$707.72K

−39.4%

Laura Cox Kaplan

Director

—

$1.60M (3)

−$1.60M

17,835

0.0044%

$548.96K

+114.2%

Michael J Desmarais

Chief Human Resources Officer

—

$1.50M (6)

−$1.50M

87,725

0.0216%

$2.70M

+87.4%

Christopher J Nassetta

Director

—

$859.81K (5)

−$859.81K

275,715

0.0680%

$8.49M

+3.9%

Cynthia Cammett Cann

Chief Accounting Officer

—

$797.04K (6)

−$797.04K

18,822

0.0046%

$579.34K

−3.9%

David Jay Steinberg

Director

—

$606.90K (1)

−$606.90K

6,456

0.0016%

$198.72K

+10.5%

Louise S Sams

Director

$48.36K (1)

—

+$48.36K

28,671

0.0071%

$882.49K

+1,273%

Rachel C Glaser

Director

$44.94K (1)

—

+$44.94K

12,419

0.0031%

$382.26K

+88,607%

Christian M. Lown

Chief Financial Officer

—

129,653

0.0320%

$3.99M

+3,731%

Warren H Haber

Director

—

121,049

0.0299%

$3.73M

+1.0%

Michael J Glosserman

Director

—

101,465

0.0250%

$3.12M

+12.9%

Gene Boxer

General Counsel and Secretary

—

95,517

0.0236%

$2.94M

+2,139%

Robin Jack Rossmann

Chief Financial Officer

—

85,935

0.0212%

$2.65M

−0.9%

Robert W Musslewhite

Director

—

26,539

0.0065%

$816.87K

+1,278%

Angelique G. Brunner

Director

—

18,428

0.0045%

$567.21K

—

Christine M McCarthy

Director

—

11,585

0.0029%

$356.59K

+3,210%

John L Berisford

Director

—

11,235

0.0028%

$345.81K

—

CoStar Group

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