A10 NETWORKS INC

Ticker: ATEN CUSIP: 002121101 Class: Common Stock

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 643 Value ($000) $11 Avg Close $17.63 Range $16.47 - $18.68

Q3 2025

Shares 744 Value ($000) $14 Avg Close $17.94 Range $16.64 - $20.08

Q2 2025

Shares 762 Value ($000) $15 Avg Close $16.89 Range $13.63 - $19.29

Q1 2025

Shares 766 Value ($000) $13 Avg Close $18.93 Range $15.81 - $21.61

Q4 2024

Shares 973 Value ($000) $18 Avg Close $16.04 Range $13.74 - $19.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	643	$11	$17.63	$16.47 - $18.68
Q3 2025	744	$14	$17.94	$16.64 - $20.08
Q2 2025	762	$15	$16.89	$13.63 - $19.29
Q1 2025	766	$13	$18.93	$15.81 - $21.61
Q4 2024	973	$18	$16.04	$13.74 - $19.06