FRANK SIMURO - 17 Mar 2023 Form 4 Insider Report for COSTAR GROUP, INC. (CSGP)

Signature
/s/ Michael Rosenthall, Attorney-in-Fact
Issuer symbol
CSGP
Transactions as of
17 Mar 2023
Net transactions value
+$499,774
Form type
4
Filing time
21 Mar 2023, 17:09:06 UTC
Previous filing
03 Mar 2023
Next filing
28 Jun 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CSGP Common Stock, par value $0.01 per share Options Exercise $199,898 +10,320 +3.1% $19.37* 343,513 17 Mar 2023 Direct F1
transaction CSGP Common Stock, par value $0.01 per share Options Exercise $99,992 +5,470 +1.6% $18.28* 348,983 17 Mar 2023 Direct
transaction CSGP Common Stock, par value $0.01 per share Options Exercise $99,991 +4,880 +1.4% $20.49 353,863 17 Mar 2023 Direct
transaction CSGP Common Stock, par value $0.01 per share Options Exercise $99,893 +2,920 +0.83% $34.21 356,783 17 Mar 2023 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction CSGP Option to Acquire Common Stock Options Exercise $0 -10,320 -100% $0.000000* 0 17 Mar 2023 Common Stock 10,320 $19.37 Direct F2
transaction CSGP Option to Acquire Common Stock Options Exercise $0 -5,470 -100% $0.000000* 0 17 Mar 2023 Common Stock 5,470 $18.28 Direct F3
transaction CSGP Option to Acquire Common Stock Options Exercise $0 -4,880 -100% $0.000000* 0 17 Mar 2023 Common Stock 4,880 $20.49 Direct F4
transaction CSGP Option to Acquire Common Stock Options Exercise $0 -2,920 -12% $0.000000 22,420 17 Mar 2023 Common Stock 2,920 $34.21 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Revised to deduct 4,384 shares previously withheld to cover taxes with respect to the vesting of the February 6, 2020 performance restricted stock grant that were inadvertently included in the Form 4 filed on behalf of the reporting person on February 16, 2023.
F2 The option vested in three equal installments on March 5, 2016, March 5, 2017, and March 5, 2018.
F3 The option vested in three equal installments on March 11, 2017, March 11, 2018, and March 11, 2019.
F4 The option vested in three equal installments on March 31, 2018, March 31, 2019, and March 31, 2020.
F5 The option vested in three equal installments on February 28, 2019, February 28, 2020, and February 28, 2021.