A10 NETWORKS INC

Ticker: ATEN CUSIP: 002121101 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2025

Shares 100,510 Value ($000) $1,778 Avg Close $17.63 Range $16.47 - $18.68

Q3 2025

Shares 101,293 Value ($000) $1,838 Avg Close $17.94 Range $16.64 - $20.08

Q2 2025

Shares 101,935 Value ($000) $1,972 Avg Close $16.89 Range $13.63 - $19.29

Q1 2025

Shares 100,873 Value ($000) $1,648 Avg Close $18.93 Range $15.81 - $21.61

Q4 2024

Shares 100,873 Value ($000) $1,856 Avg Close $16.04 Range $13.74 - $19.06

Q3 2024

Shares 101,051 Value ($000) $1,459 Avg Close $13.19 Range $11.97 - $14.22

Q2 2024

Shares 100,281 Value ($000) $1,389 Avg Close $13.88 Range $12.37 - $16.06

Q1 2024

Shares 97,292 Value ($000) $1,332 Avg Close $13.04 Range $12.00 - $14.51

Q4 2023

Shares 84,923 Value ($000) $1,118 Avg Close $11.70 Range $9.67 - $14.84

Q3 2023

Shares 89,428 Value ($000) $1,344 Avg Close $14.24 Range $13.41 - $15.34

Q2 2023

Shares 140,250 Value ($000) $2,046 Avg Close $13.85 Range $12.41 - $15.07

Q1 2023

Shares 143,340 Value ($000) $2,220 Avg Close $14.54 Range $13.22 - $16.17

Q4 2022

Shares 140,639 Value ($000) $2,339 Avg Close $16.27 Range $12.65 - $18.76

Q3 2022

Shares 145,129 Value ($000) $1,927 Avg Close $13.47 Range $11.96 - $15.63

Q2 2022

Shares 141,413 Value ($000) $2,034 Avg Close $13.67 Range $12.01 - $15.96

Q1 2022

Shares 128,484 Value ($000) $1,794 Avg Close $13.21 Range $11.56 - $15.66

Q4 2021

Shares 142,784 Value ($000) $2,368 Avg Close $14.22 Range $11.86 - $17.82

Q3 2021

Shares 173,089 Value ($000) $2,335 Avg Close $12.13 Range $9.82 - $14.05

Q2 2021

Shares 85,525 Value ($000) $964 Avg Close $9.05 Range $7.88 - $10.76

Q1 2021

Shares 39,029 Value ($000) $376 Avg Close $9.16 Range $8.05 - $11.09

Q4 2020

Shares 39,529 Value ($000) $390 Avg Close $7.35 Range $5.73 - $10.23

Q3 2020

Shares 181,621 Value ($000) $1,158 Avg Close $7.17 Range $5.86 - $8.61

Q2 2020

Shares 307,668 Value ($000) $2,096 Avg Close $6.28 Range $5.31 - $7.19

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	100,510	$1,778	$17.63	$16.47 - $18.68
Q3 2025	101,293	$1,838	$17.94	$16.64 - $20.08
Q2 2025	101,935	$1,972	$16.89	$13.63 - $19.29
Q1 2025	100,873	$1,648	$18.93	$15.81 - $21.61
Q4 2024	100,873	$1,856	$16.04	$13.74 - $19.06
Q3 2024	101,051	$1,459	$13.19	$11.97 - $14.22
Q2 2024	100,281	$1,389	$13.88	$12.37 - $16.06
Q1 2024	97,292	$1,332	$13.04	$12.00 - $14.51
Q4 2023	84,923	$1,118	$11.70	$9.67 - $14.84
Q3 2023	89,428	$1,344	$14.24	$13.41 - $15.34
Q2 2023	140,250	$2,046	$13.85	$12.41 - $15.07
Q1 2023	143,340	$2,220	$14.54	$13.22 - $16.17
Q4 2022	140,639	$2,339	$16.27	$12.65 - $18.76
Q3 2022	145,129	$1,927	$13.47	$11.96 - $15.63
Q2 2022	141,413	$2,034	$13.67	$12.01 - $15.96
Q1 2022	128,484	$1,794	$13.21	$11.56 - $15.66
Q4 2021	142,784	$2,368	$14.22	$11.86 - $17.82
Q3 2021	173,089	$2,335	$12.13	$9.82 - $14.05
Q2 2021	85,525	$964	$9.05	$7.88 - $10.76
Q1 2021	39,029	$376	$9.16	$8.05 - $11.09
Q4 2020	39,529	$390	$7.35	$5.73 - $10.23
Q3 2020	181,621	$1,158	$7.17	$5.86 - $8.61
Q2 2020	307,668	$2,096	$6.28	$5.31 - $7.19