EX-99.A

CUSIP No. 03782L101

EXHIBIT A

TRANSACTIONS EFFECTED SINCE THE FILING OF AMENDMENT NO. 30 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
05/17/2022		Purchase		9,015	$	50.78	(1)
05/17/2022		Purchase		12,384	$	51.61	(2)
05/17/2022		Purchase		26,989	$	52.00
05/18/2022		Purchase		5,782	$	47.94	(3)
05/18/2022		Purchase		126,063	$	48.54	(4)
05/18/2022		Purchase		29,331	$	49.21	(5)
05/18/2022		Purchase		24,050	$	50.47	(6)
05/18/2022		Purchase		8,323	$	51.40	(7)
05/19/2022		Purchase		11,293	$	48.66	(8)
05/19/2022		Purchase		27,394	$	49.36	(9)
05/20/2022		Purchase		968	$	45.98	(10)
05/20/2022		Purchase		11,035	$	46.59	(11)
05/20/2022		Purchase		17,808	$	47.39	(12)
05/20/2022		Purchase		5,904	$	48.50	(13)
05/20/2022		Purchase		12,012	$	49.61	(14)
05/20/2022		Purchase		9,621	$	50.59	(15)
05/20/2022		Purchase		726	$	51.00
05/24/2022		Purchase		19,528	$	40.86	(16)
05/24/2022		Purchase		76,948	$	41.48	(17)
05/24/2022		Purchase		3,581	$	42.13	(18)

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
05/17/2022		Purchase		300	$	50.78	(1)
05/17/2022		Purchase		413	$	51.61	(2)
05/17/2022		Purchase		899	$	52.00
05/18/2022		Purchase		193	$	47.94	(3)
05/18/2022		Purchase		4,201	$	48.54	(4)
05/18/2022		Purchase		978	$	49.21	(5)
05/18/2022		Purchase		802	$	50.47	(6)
05/18/2022		Purchase		277	$	51.40	(7)
05/19/2022		Purchase		373	$	48.66	(8)
05/19/2022		Purchase		906	$	49.36	(9)
05/20/2022		Purchase		32	$	45.98	(10)
05/20/2022		Purchase		366	$	46.59	(11)
05/20/2022		Purchase		591	$	47.39	(12)
05/20/2022		Purchase		196	$	48.50	(13)
05/20/2022		Purchase		398	$	49.61	(14)
05/20/2022		Purchase		319	$	50.59	(15)
05/20/2022		Purchase		24	$	51.00
05/24/2022		Purchase		650	$	40.86	(16)
05/24/2022		Purchase		2,564	$	41.48	(17)
05/24/2022		Purchase		119	$	42.13	(18)

CUSIP No. 03782L101

(1)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.13 to $51.00. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(2)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.00 to $51.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(3)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $47.80 to $47.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(4)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.00 to $48.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(5)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.00 to $49.88. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(6)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.00 to $50.98. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(7)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.04 to $52.00. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(8)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.37 to $48.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(9)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.04 to $49.50. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(10)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $45.98 to $45.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(11)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $46.00 to $47.00. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(12)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $47.00 to $47.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(13)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.00 to $49.00. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(14)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.00 to $49.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

CUSIP No. 03782L101

(15)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.00 to $50.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(16)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $40.67 to $40.99. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(17)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $41.00 to $41.98. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(18)

The price reported in this column is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $42.00 to $42.28. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.