A10 NETWORKS INC

Ticker: ATEN CUSIP: 002121101 Class: Common Stock

Boston Trust Walden Corp's Holding History (CIK: 0001534866)

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

Q4 2025

Shares 2,440,649 Value ($000) $43,175 Avg Close $17.63 Range $16.47 - $18.68

Q3 2025

Shares 2,639,992 Value ($000) $47,916 Avg Close $17.94 Range $16.64 - $20.08

Q2 2025

Shares 2,162,796 Value ($000) $41,850 Avg Close $16.89 Range $13.63 - $19.29

Q1 2025

Shares 1,645,924 Value ($000) $26,894 Avg Close $18.93 Range $15.81 - $21.61

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,440,649	$43,175	$17.63	$16.47 - $18.68
Q3 2025	2,639,992	$47,916	$17.94	$16.64 - $20.08
Q2 2025	2,162,796	$41,850	$16.89	$13.63 - $19.29
Q1 2025	1,645,924	$26,894	$18.93	$15.81 - $21.61