CoStar Group

By person

17 insiders · 11 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

FLORANCE ANDREW C

Founder and CEO

$7.48M (4)

—

+$7.48M

1,806,165

0.4457%

$55.59M

+44.7%

SAINT FREDERICK G.

President, Marketplaces

$906.60K (1)

—

+$906.60K

278,415

0.0687%

$8.57M

−5.8%

Cann Cynthia Cammett

Chief Accounting Officer

—

$274.02K (2)

−$274.02K

18,822

0.0046%

$579.34K

−32.6%

Hill John W

Director

—

$260.27K (2)

−$260.27K

22,993

0.0057%

$707.72K

+13.6%

Sams Louise S

Director

$48.36K (1)

—

+$48.36K

28,671

0.0071%

$882.49K

+77.9%

Glaser Rachel C

Director

$44.94K (1)

—

+$44.94K

12,419

0.0031%

$382.26K

+88,607%

KLEIN MICHAEL R

Director

—

1,848,592

0.4562%

$56.90M

−7.2%

SIMURO FRANK

Chief Technology Officer

—

414,491

0.1023%

$12.76M

+6.1%

NASSETTA CHRISTOPHER J

Director

—

229,715

0.0567%

$7.07M

−0.7%

Ruggles Lisa

Senior VP, Global Operations

—

174,915

0.0432%

$5.38M

+1.3%

LOWN CHRISTIAN M.

Chief Financial Officer

—

129,653

0.0320%

$3.99M

+248.3%

Boxer Gene

General Counsel and Secretary

—

95,517

0.0236%

$2.94M

+120.6%

DESMARAIS MICHAEL J

Chief Human Resources Officer

—

87,725

0.0216%

$2.70M

+36.1%

Musslewhite Robert W

Director

—

26,539

0.0065%

$816.87K

+75.1%

Brunner Angelique G.

Director

—

18,428

0.0045%

$567.21K

+162.4%

McCarthy Christine M

Director

—

11,585

0.0029%

$356.59K

+3,210%

BERISFORD JOHN L

Director

—

11,235

0.0028%

$345.81K

—

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