Form Type: 4

SEC EDGAR Link
Accession Number:0001057352-18-000015
Date:2018-02-27
Issuer: COSTAR GROUP INC (CSGP)
Original Submission Date:

Reporting Person:

FLORANCE ANDREW C
C/O COSTAR GROUP, INC.
1331 L STREET, NW WASHINGTON, DC 20005

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of SecurityTransaction Date2a. Deemed Execution Date Transaction CodeSharesAcquired or DisposedPrice per share 5. Amount of Securities Beneficially Owned Following Reported Transaction 6. Ownership Form Direct or IndirectNature of Indirect Ownership
COMMON STOCK, PAR VALUE $0.01 PER SHARE 2018-02-27 M 40,051 a $57.16 173,947 direct
COMMON STOCK, PAR VALUE $0.01 PER SHARE 2018-02-27 M 40,004 a $58.95 213,951 direct
COMMON STOCK, PAR VALUE $0.01 PER SHARE 2018-02-27 S 80,055 d $347.10 133,896 direct
COMMON STOCK, PAR VALUE $0.01 PER SHARE 2018-02-28 A 25,300 a $0.00 159,196 direct
Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security Conversion or Exercise Price of Derivative Security Transaction Date Deemed Execution Date Transaction Code Number of Derivative Securities Acquired (A) or Disposed of (D) Date ExercisableExpiration Date Title and Amount of Securities Underlying Derivative Security Price of Derivative Security Number of derivative Securities Beneficially Owned Following Reported Transaction(s) Ownership Form: Direct (D) or Indirect (I) Nature of Indirect Beneficial Ownership
OPTION TO ACQUIRE COMMON STOCK 57.16 2018-02-27 deemed execution date M 40,051 (d) 2021-03-03 common stock 40,051 $57.16 0 direct
OPTION TO ACQUIRE COMMON STOCK 58.95 2018-02-27 deemed execution date M 40,004 (d) 2022-02-20 common stock 40,004 $58.95 0 direct
OPTION TO ACQUIRE COMMON STOCK 342.13 2018-02-28 deemed execution date A 31,000 (a) 2028-02-27 common stock 31,000 $342.13 31,000 direct
Footnotes
IDfootnote
f1 represents all shares of common stock owned, consisting of 102,940 shares of common stock and 71,007 shares of common stock subject to unvested restricted stock grants.
f2 represents all shares of common stock owned, consisting of 142,944 shares of common stock and 71,007 shares of common stock subject to unvested restricted stock grants.
f3 average based on sales prices ranging from $343.99 to $352.
f4 represents all shares of common stock owned, consisting of 62,889 shares of common stock and 71,007 shares of common stock subject to unvested restricted stock grants.
f5 includes a grant of 15,700 shares of restricted common stock that vest in three equal installments on february 28, 2019, february 29, 2020 and february 28, 2021, and a grant of 9,600 shares of restricted common stock that vest based upon costar group, inc.'s achievement of a three-year performance goal.
f6 represents all shares of common stock owned, consisting of 62,889 shares of common stock and 96,307 shares of common stock subject to unvested restricted stock grants.
f7 the option vested in three equal installments on march 4, 2012, march 4, 2013 and march 4, 2014.
f8 the option vested in three equal installments on february 21, 2013, february 21, 2014 and february 21, 2015.
f9 the option vests in three equal installments on february 28, 2019, february 29, 2020 and february 28, 2021.
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