TRIVEDI DHRUPAD (Chief Executive Officer) sold 12.3% of their position (100K shares) of A10 NETWORKS, INC. on the open market

Open‑market sale worth $2.06M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

TRIVEDI DHRUPAD

Filed: 2/13/2026ACC: 0001570462-26-000010

InsiderTRIVEDI DHRUPADCIK 1570462

→

IssuerA10 NETWORKS, INC.CIK 1580808

Officer· Chief Executive Officer

Since Dec 2019

+163.03K

Net shares

Net buyer

$2.06M

Total sold

Open market trades

0B · 3S

Total transactions

263.03K acquired · 100K disposed

Non-Derivative Transactions4

Common Stock

Direct

S · Sale

−33.33K

Price / share

$20.69

Trade value

$689.66K

% of position

4.9%

2/11/2026

682.08K→648.75K

Common Stock

Direct

S · Sale

−33.33K

Price / share

$20.56

Trade value

$685.33K

% of position

5.1%

2/12/2026

648.75K→615.41K

Common Stock

Direct

A · Award

+131.52K

Price / share

—

Trade value

—

% of position

21.4%

2/12/2026

615.41K→746.93K

Common Stock

Direct

S · Sale

−33.33K

Price / share

$20.55

Trade value

$685.01K

% of position

4.5%

2/13/2026

746.93K→713.60K

Total

Net shares

+31.52K

Net value

-$2.06M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/11/2026	S · Sale	−33.33K	$20.69	$689.66K	4.9%	682.08K	648.75K
Common Stock Direct	2/12/2026	S · Sale	−33.33K	$20.56	$685.33K	5.1%	648.75K	615.41K
Common Stock Direct	2/12/2026	A · Award	+131.52K	—	—	21.4%	615.41K	746.93K
Common Stock Direct	2/13/2026	S · Sale	−33.33K	$20.55	$685.01K	4.5%	746.93K	713.60K
Total			+31.52K		-$2.06M

Derivative Transactions1

Performance-based Restricted Stock Units

Direct

A · Award

Converts to

Common Stock

131.52K shares

+131.52K

Strike price

Held after

131.52K

Exercisable

—

2/12/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Performance-based Restricted Stock Units Direct	Common Stock131.52K shares	2/12/2026	A · Award	+131.52K		—	131.52K