Exhibit A

CUSIP No. 22658D100

EXHIBIT A

TRANSACTIONS EFFECTED SINCE THE FILING OF AMENDMENT NO. 10 TO THE SCHEDULE 13D

All of the below transactions in the Common Stock were traded in the ordinary course on the NASDAQ Stock Market.

Abdiel Capital Advisors, LP serves as the investment manager of Abdiel Qualified Master Fund, LP and effected the below transactions.


Transaction Date	Transaction Type	Amount of Securities		Price Per Share
8/27/2021	Purchase		7,742	$	28.38	(1)
8/30/2021	Purchase		25,203	$	28.70	(2)
8/31/2021	Purchase		58,836	$	27.68	(3)
8/31/2021	Purchase		5,150	$	28.43	(4)
9/01/2021	Purchase		40,294	$	28.98	(5)
9/02/2021	Purchase		3,635	$	29.86	(6)
9/03/2021	Purchase		44,753	$	30.76	(7)
9/07/2021	Purchase		7,703	$	30.73	(8)
9/07/2021	Purchase		10,010	$	31.19	(9)
9/08/2021	Purchase		10,261	$	30.74	(10)
9/15/2021	Purchase		107,518	$	30.95	(11)
9/15/2021	Purchase		82,688	$	31.11	(12)

Abdiel Capital Advisors, LP serves as the investment manager of Abdiel Capital, LP and effected the below transactions.


Transaction Date	Transaction Type	Amount of Securities		Price Per Share
8/27/2021	Purchase		308	$	28.38	(1)
8/30/2021	Purchase		714	$	28.70	(2)
8/31/2021	Purchase		1,763	$	27.68	(3)
8/31/2021	Purchase		154	$	28.43	(4)
9/01/2021	Purchase		467	$	28.98	(5)
9/02/2021	Purchase		66	$	29.86	(6)
9/03/2021	Purchase		1,420	$	30.76	(7)
9/07/2021	Purchase		233	$	30.73	(8)
9/07/2021	Purchase		303	$	31.19	(9)
9/08/2021	Purchase		329	$	30.74	(10)
9/15/2021	Purchase		3,476	$	30.95	(11)
9/15/2021	Purchase		2,674	$	31.11	(12)

(1)

The price reported for the Common Stock is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.13 to $28.50. The Reporting Person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(2)

The price reported for the Common Stock is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.18 to $29.00. The Reporting Person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(3)

The price reported for the Common Stock is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $27.36 to $27.99. The Reporting Person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(4)

The price reported for the Common Stock is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $28.16 to $28.66. The Reporting Person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.