DUDA KENNETH

PrivateCIK: 1605808
Location

SANTA CLARA, CA

DUDA KENNETH (CTO and SVP Software Eng.) sold 10.3% of their position (58K shares) of ARISTA NETWORKS, INC. on the open market

Open‑market sale worth $7.78M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 12 sales
InsiderDUDA KENNETHCIK 1605808
IssuerARISTA NETWORKS, INC.CIK 1596532
Officer· CTO and SVP Software Eng.
Since Jul 2018
-58K
Net shares
Net seller
$7.78M
Total sold
12
Open market trades
0B · 12S
14
Total transactions
32K acquired · 90K disposed
Non-Derivative Transactions13

Common Stock

Direct
M · Option Exercise

Shares

+32K

Price / share

$15.26

Trade value

$488.40K

% of position

246.6%
3/17/2026
12.98K44.98K

Common Stock

Direct
S · Sale

Shares

7.40K

Price / share

$133.03

Trade value

$984.59K

% of position

16.5%
3/17/2026
44.98K37.58K

Common Stock

Direct
S · Sale

Shares

14.01K

Price / share

$134.02

Trade value

$1.88M

% of position

37.3%
3/17/2026
37.58K23.57K

Common Stock

Direct
S · Sale

Shares

8.58K

Price / share

$134.88

Trade value

$1.16M

% of position

36.4%
3/17/2026
23.57K14.99K

Common Stock

Direct
S · Sale

Shares

2.01K

Price / share

$135.97

Trade value

$273.71K

% of position

13.4%
3/17/2026
14.99K12.98K

Common Stock

Indirect
S · Sale

Shares

3.70K

Price / share

$133.03

Trade value

$492.36K

% of position

0.3%
3/17/2026
1.11M1.11M

Common Stock

Indirect
S · Sale

Shares

7K

Price / share

$134.02

Trade value

$938.51K

% of position

0.6%
3/17/2026
1.11M1.10M

Common Stock

Indirect
S · Sale

Shares

4.29K

Price / share

$134.88

Trade value

$578.63K

% of position

0.4%
3/17/2026
1.10M1.10M

Common Stock

Indirect
S · Sale

Shares

1.01K

Price / share

$135.97

Trade value

$136.79K

% of position

0.1%
3/17/2026
1.10M1.10M

Common Stock

Indirect
S · Sale

Shares

2.31K

Price / share

$133.03

Trade value

$307.71K

% of position

0.5%
3/17/2026
512.40K510.09K

Common Stock

Indirect
S · Sale

Shares

4.38K

Price / share

$134.02

Trade value

$586.59K

% of position

0.9%
3/17/2026
510.09K505.71K

Common Stock

Indirect
S · Sale

Shares

2.68K

Price / share

$134.88

Trade value

$361.61K

% of position

0.5%
3/17/2026
505.71K503.03K

Common Stock

Indirect
S · Sale

Shares

629.00

Price / share

$135.97

Trade value

$85.53K

% of position

0.1%
3/17/2026
503.03K502.40K
Total

Net shares

26K

Net value

-$7.29M

Derivative Transactions1

Non-Qualified Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

32K shares

Shares

32K

Strike price

15.2625

Held after

64K

Exercisable

3/17/2026
Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect
Shares owned702.15K

Common Stock

Indirect
Shares owned702.15K

Common Stock

Indirect
Shares owned201.13K
Total
1.61M indirect1.61M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DUDA KENNETH — Insider Transaction (Form 4) Filed Mar 19, 2026 | Finecho