A10 Networks, Inc.

Form 5500

A10 NETWORKS, INC.

2300 Orchard Parkway, San Jose, Ca 95131 (408) 325-8668 EIN:20-1446869 Plan Admin:Salina Sareen

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2023	Plan NameA10 NETWORKS HEALTH AND WELFARE PLAN Plan #501 Participants BOY/EOY170 / 0 Assets BOY/EOY$0 / $0	2023	A10 NETWORKS HEALTH AND WELFARE PLAN - Plan #501	170 / 0	$0 / $0
2022	Plan NameA10 NETWORKS 401(K) PLAN Plan #001 Participants BOY/EOY520 / 540 Assets BOY/EOY$49,298,645 / $43,770,334	2022	A10 NETWORKS 401(K) PLAN - Plan #001	520 / 540	$49,298,645 / $43,770,334
2022	Plan NameA10 NETWORKS HEALTH AND WELFARE PLAN Plan #501 Participants BOY/EOY315 / 0 Assets BOY/EOY$0 / $0	2022	A10 NETWORKS HEALTH AND WELFARE PLAN - Plan #501	315 / 0	$0 / $0
2021	Plan NameA10 NETWORKS 401(K) PLAN Plan #001 Participants BOY/EOY529 / 520 Assets BOY/EOY$45,570,333 / $49,298,645	2021	A10 NETWORKS 401(K) PLAN - Plan #001	529 / 520	$45,570,333 / $49,298,645
2021	Plan NameA10 NETWORKS HEALTH AND WELFARE PLAN Plan #501 Participants BOY/EOY349 / 0 Assets BOY/EOY$0 / $0	2021	A10 NETWORKS HEALTH AND WELFARE PLAN - Plan #501	349 / 0	$0 / $0
2020	Plan NameA10 NETWORKS 401(K) PLAN Plan #001 Participants BOY/EOY599 / 526 Assets BOY/EOY$42,157,601 / $45,570,333	2020	A10 NETWORKS 401(K) PLAN - Plan #001	599 / 526	$42,157,601 / $45,570,333
2020	Plan NameA10 NETWORKS HEALTH AND WELFARE PLAN Plan #501 Participants BOY/EOY394 / 0 Assets BOY/EOY$0 / $0	2020	A10 NETWORKS HEALTH AND WELFARE PLAN - Plan #501	394 / 0	$0 / $0
2019	Plan NameA10 NETWORKS 401(K) PLAN Plan #001 Participants BOY/EOY620 / 592 Assets BOY/EOY$33,317,982 / $42,157,601	2019	A10 NETWORKS 401(K) PLAN - Plan #001	620 / 592	$33,317,982 / $42,157,601
2019	Plan NameA10 NETWORKS HEALTH AND WELFARE PLAN Plan #501 Participants BOY/EOY432 / 0 Assets BOY/EOY$0 / $0	2019	A10 NETWORKS HEALTH AND WELFARE PLAN - Plan #501	432 / 0	$0 / $0