EX-99.A

CUSIP No. 03782L101

EXHIBIT A

Transactions Effected in the Last Sixty Days

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
03/07/2022		Purchase		1,243	$	51.82	(1)
03/07/2022		Purchase		27,539	$	52.59	(2)
03/07/2022		Purchase		9,492	$	53.00
03/08/2022		Purchase		6,854	$	52.70	(3)
03/08/2022		Purchase		3,897	$	53.44	(4)
03/08/2022		Purchase		18,131	$	54.59	(5)
03/08/2022		Purchase		97	$	55.00
03/09/2022		Purchase		6,970	$	54.88	(6)
03/09/2022		Purchase		14,318	$	55.43	(7)
03/09/2022		Purchase		17,406	$	56.26	(8)
03/10/2022		Purchase		12,903	$	55.63	(9)
03/10/2022		Purchase		16,034	$	56.46	(10)
03/10/2022		Purchase		393	$	57.00
03/11/2022		Purchase		17,224	$	52.73	(11)
03/11/2022		Purchase		2,125	$	53.17	(12)
03/14/2022		Purchase		30,811	$	47.65	(13)
03/14/2022		Purchase		9,363	$	48.33	(14)
03/14/2022		Purchase		3,643	$	49.60	(15)
03/14/2022		Purchase		7,163	$	50.35	(16)
03/14/2022		Purchase		2,220	$	51.22	(17)
03/15/2022		Purchase		12,267	$	47.82	(18)
03/15/2022		Purchase		24,934	$	48.43	(19)
03/15/2022		Purchase		1,493	$	49.11	(20)
03/16/2022		Purchase		4,934	$	49.64	(21)
03/16/2022		Purchase		18,625	$	50.72	(22)
03/16/2022		Purchase		22,307	$	51.45	(23)
03/16/2022		Purchase		2,510	$	52.09	(24)
03/17/2022		Purchase		1,112	$	53.89	(25)
03/17/2022		Purchase		3,533	$	54.59	(26)
03/17/2022		Purchase		1,064	$	55.55	(27)
03/17/2022		Purchase		1,935	$	56.59	(28)
03/17/2022		Purchase		4,732	$	57.69	(29)
03/17/2022		Purchase		10,750	$	58.56	(30)
03/17/2022		Purchase		25,254	$	59.28	(31)
03/18/2022		Purchase		972	$	59.00
04/07/2022		Purchase		348	$	54.91	(32)
04/07/2022		Purchase		10,708	$	55.67	(33)
04/07/2022		Purchase		8,583	$	56.36	(34)
04/07/2022		Purchase		176	$	57.00
04/08/2022		Purchase		13,849	$	54.56	(35)
04/08/2022		Purchase		11,151	$	55.41	(36)
05/02/2022		Purchase		534	$	48.95	(37)
05/02/2022		Purchase		21,072	$	49.50	(38)
05/02/2022		Purchase		10,894	$	50.52	(39)
05/03/2022		Purchase		8,708	$	48.91	(40)
05/03/2022		Purchase		26,028	$	49.48	(41)
05/03/2022		Purchase		12,764	$	50.31	(42)

CUSIP No. 03782L101


05/04/2022	Purchase	26,129	$	45.78	(43)
05/04/2022	Purchase	27,419	$	46.41	(44)
05/04/2022	Purchase	9,990	$	47.20	(45)
05/04/2022	Purchase	8,610	$	48.43	(46)
05/04/2022	Purchase	1,562	$	49.24	(47)
05/04/2022	Purchase	1,367	$	50.51	(48)
05/04/2022	Purchase	98	$	51.00

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
03/07/2022		Purchase		56	$	51.82	(1)
03/07/2022		Purchase		1,242	$	52.59	(2)
03/07/2022		Purchase		428	$	53.00
03/08/2022		Purchase		242	$	52.70	(3)
03/08/2022		Purchase		137	$	53.44	(4)
03/08/2022		Purchase		639	$	54.59	(5)
03/08/2022		Purchase		3	$	55.00
03/09/2022		Purchase		235	$	54.88	(6)
03/09/2022		Purchase		483	$	55.43	(7)
03/09/2022		Purchase		588	$	56.26	(8)
03/10/2022		Purchase		515	$	55.63	(9)
03/10/2022		Purchase		639	$	56.46	(10)
03/10/2022		Purchase		16	$	57.00
03/11/2022		Purchase		579	$	52.73	(11)
03/11/2022		Purchase		72	$	53.17	(12)
03/14/2022		Purchase		1,043	$	47.65	(13)
03/14/2022		Purchase		317	$	48.33	(14)
03/14/2022		Purchase		123	$	49.60	(15)
03/14/2022		Purchase		242	$	50.35	(16)
03/14/2022		Purchase		75	$	51.22	(17)
03/15/2022		Purchase		414	$	47.82	(18)
03/15/2022		Purchase		842	$	48.43	(19)
03/15/2022		Purchase		50	$	49.11	(20)
03/16/2022		Purchase		166	$	49.64	(21)
03/16/2022		Purchase		625	$	50.72	(22)
03/16/2022		Purchase		749	$	51.45	(23)
03/16/2022		Purchase		84	$	52.09	(24)
03/17/2022		Purchase		37	$	53.89	(25)
03/17/2022		Purchase		118	$	54.59	(26)
03/17/2022		Purchase		36	$	55.55	(27)
03/17/2022		Purchase		65	$	56.59	(28)
03/17/2022		Purchase		158	$	57.69	(29)
03/17/2022		Purchase		360	$	58.56	(30)
03/17/2022		Purchase		846	$	59.28	(31)
03/18/2022		Purchase		28	$	59.00
04/07/2022		Purchase		47	$	54.91	(32)
04/07/2022		Purchase		1,451	$	55.67	(33)
04/07/2022		Purchase		1,163	$	56.36	(34)
04/07/2022		Purchase		24	$	57.00
05/04/2022		Purchase		634	$	45.78	(43)
05/04/2022		Purchase		666	$	46.41	(44)
05/04/2022		Purchase		243	$	47.20	(45)
05/04/2022		Purchase		209	$	48.43	(46)
05/04/2022		Purchase		38	$	49.24	(47)
05/04/2022		Purchase		33	$	50.51	(48)
05/04/2022		Purchase		2	$	51.00

CUSIP No. 03782L101

(1)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.66 to $51.97. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $52.00 to $52.99. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $52.03 to $52.99. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $53.00 to $53.99. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $54.01 to $54.99. 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.

(6)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $54.53 to $54.99. 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.

(7)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $55.00 to $55.99. 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.

(8)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $56.01 to $56.64. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $55.25 to $55.99. 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.

(10)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $56.00 to $56.99. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $52.05 to $52.99. 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.

(12)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $53.01 to $53.25. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $47.31 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.

(14)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.00 to $48.96. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.00 to $49.98. 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.

(16)

The price reported for the Common Stock 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.

(17)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $51.05 to $51.45. 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 for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $47.58 to $48.00. 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.

(19)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.00 to $48.97. 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.

(20)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.00 to $49.30. 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.

(21)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.32 to $49.83. 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.

(22)

(23)

The price reported for the Common Stock 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.

(24)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $52.02 to $52.09. 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.

(25)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $53.76 to $53.99. 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.

(26)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $54.09 to $54.98. 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.

(27)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $55.00 to $55.85. 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.

(28)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $56.12 to $56.89. 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.

(29) The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $57.21 to $57.99. 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

CUSIP No. 03782L101

regarding the number of shares purchased at each separate price within the range set forth in this footnote.

(30)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $58.00 to $58.99. 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.

(31)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $59.00 to $59.47. 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.

(32)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $54.75 to $54.96. 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.

(33)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $55.00 to $56.00. 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.

(34)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $56.00 to $56.97. 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.

(35)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $54.08 to $54.99. 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.

(36)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $55.00 to $55.88. 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.

(37)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.92 to $48.98. 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.

(38)

The price reported for the Common Stock 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.

(39)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.00 to $50.90. 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.

(40)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.69 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.

(41)

(42)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.00 to $50.94. 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.

(43)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $45.25 to $46.00. 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.

(44)	The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple

CUSIP No. 03782L101

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.

(45)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $47.00 to $47.92. 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.

(46)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $48.00 to $48.93. 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.

(47)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $49.08 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.

(48)

The price reported for the Common Stock is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $50.01 to $50.92. 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.