A10 NETWORKS INC

Ticker: ATEN CUSIP: 002121101 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

Note: Option positions (PUT/CALL) are excluded.

Q4 2022

Shares 799,256 Value ($000) $13,292 Avg Close $16.27 Range $12.65 - $18.76

Q3 2022

Shares 433,271 Value ($000) $5,750 Avg Close $13.47 Range $11.96 - $15.63

Q2 2022

Shares 436,521 Value ($000) $6,277 Avg Close $13.67 Range $12.01 - $15.96

Q1 2017

Shares 74,454 Value ($000) $681 Avg Close $8.27 Range $7.16 - $9.30

Q4 2015

Shares 45,959 Value ($000) $301 Avg Close $6.48 Range $5.31 - $7.76

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	799,256	$13,292	$16.27	$12.65 - $18.76
Q3 2022	433,271	$5,750	$13.47	$11.96 - $15.63
Q2 2022	436,521	$6,277	$13.67	$12.01 - $15.96
Q1 2017	74,454	$681	$8.27	$7.16 - $9.30
Q4 2015	45,959	$301	$6.48	$5.31 - $7.76