UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☐ For the transition period from ______ to ______ Commission file number 0-24531 CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdiction of in ...

CoStar Group, Inc. (NASDAQ:CSGP) Q4 2019 Earnings Conference Call February 25, 2020 5:00 PM ET Company Representatives Andy Florance - Chief Executive Officer, Founder Scott Wheeler - Chief Financial Officer Sarah Spray - Investor Relations Conference Call Participants Ryan Tomasello - KBW Jackson Ader - JPMorgan Stephen Sheldon - William Blair Mario Cortellacci - Jefferies Brett Huff - Stephens Pete Christiansen - Citi George Tong - Goldman Sachs Andrew Jeffrey - SunTrust Kyle Peterson - Needham Bill Warmi ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission file number 0-24531 CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdi ...

CoStar Group, Inc. (NASDAQ:CSGP) Q3 2019 Earnings Conference Call October 22, 2019 5:00 PM ET Company Participants Rich Simonelli - Investor Relations Andy Florance - Chief Executive Officer & Founder Scott Wheeler - Chief Financial Officer Conference Call Participants Brett Huff - Stephens Andrew Jeffrey - SunTrust Bill Warmington - Wells Fargo George Tong - Goldman Sachs Pete Christiansen - Citi Ryan Tomasello - KBW Mayank Tandon - Needham & Company Sterling Auty - JPMorgan Operator Ladies and gentlemen, ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission file number 0-24531 CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdiction ...

CoStar Group, Inc. (NASDAQ:CSGP) Q2 2019 Earnings Conference Call July 23, 2019 5:00 PM ET Company Participants Rich Simonelli - VP, IR Andy Florance - Founder & CEO Scott Wheeler - CFO Conference Call Participants Peter Christiansen - Citi Bill Warmington - Wells Fargo George Tong - Goldman Sachs Andrew Jeffrey - SunTrust Sterling Auty - JPMorgan Joe Goodwin - Securities Scott Buck - B.Riley FBR Operator Ladies and gentlemen, thank you for standing by, and welcome to the CoStar Second Quarter Financial Res ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission file number 0-24531 CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdi ...

CoStar Group, Inc. (NASDAQ:CSGP) Q1 2019 Earnings Conference Call April 23, 2019 5:00 PM ET Company Participants Rich Simonelli - Vice President, Investor Relations Andy Florance - Chief Executive Officer & Founder Scott Wheeler - Chief Financial Officer Conference Call Participants George Tong - Goldman Sachs Bill Warmington - Wells Fargo David Ridley-Lane - Bank of America Peter Christiansen - Citi Andrew Jeffrey - SunTrust Stephen Sheldon - William Blair Mayank Tandon – Needham Joe Goodwin - Securities S ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 Commission file number 0-24531 https://files.reportify.cc/media/production/CSGP697eaddf63a7734338cd46a36759a67f.jpg CoStar Group, Inc. (Exact name of registrant as specified in its charter) Delaware 52-2091509 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identificatio ...

CoStar Group, Inc. (NASDAQ:CSGP) Q4 2018 Results Conference Call February 26, 2019 5:00 PM ET Company Participants Rich Simonelli - VP, IR Andy Florance - CEO and Founder Scott Wheeler - CFO Conference Call Participants Peter Christiansen - Citi Oscar Turner - SunTrust George Tong - Goldman Sachs David Ridley-Lane - Bank of America Brett Huff - Stephens Mayank Tandon - Needham & Company Bill Warmington - Wells Fargo Sterling Auty - J.P. Morgan Stephen Sheldon - William Blair Scott Buck - B. Riley FBR Operat ...