NIGHTINGALE TODD (President and COO) exercised options at ARISTA NETWORKS, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 2 exercises
Filed: 8/24/2026ACC: 0001596532-26-000211
Officer· President and COO
Since Feb 2026
-53.18K
Net shares
Net seller
$11.85M
Total sold
0
Open market trades
0B · 0S
6
Total transactions
137.24K acquired · 190.41K disposed
Non-Derivative Transactions3
Common Stock
Direct
Shares
+116.52K
Price / share
—
Trade value
—
% of position
1901.4%
8/20/2026
6.13K→122.64K
Common Stock
Direct
Shares
+10.36K
Price / share
—
Trade value
—
% of position
8.4%
8/20/2026
122.64K→133K
Common Stock
Direct
Shares
−63.54K
Price / share
$186.45
Trade value
$11.85M
% of position
47.8%
8/20/2026
133K→69.46K
Total
Net shares
+63.34K
Net value
-$11.85M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/20/2026 | M · Option Exercise | +116.52K | — | — | 1901.4% | 6.13K | 122.64K |
| Common Stock Direct | 8/20/2026 | M · Option Exercise | +10.36K | — | — | 8.4% | 122.64K | 133K |
| Common Stock Direct | 8/20/2026 | F · Tax Withholding | −63.54K | $186.45 | $11.85M | 47.8% | 133K | 69.46K |
| Total | +63.34K | -$11.85M | ||||||
Derivative Transactions3
Restricted Stock Unit-1
Direct
Converts to
Common Stock
116.52K shares
Shares
−116.52K
Strike price
0.0
Held after
349.55K
Exercisable
—
8/20/2026
Restricted Stock Unit-3
Direct
Converts to
Common Stock
10.36K shares
Shares
+10.36K
Strike price
0.0
Held after
10.36K
Exercisable
—
8/20/2026
Restricted Stock Unit-3
Direct
Converts to
Common Stock
10.36K shares
Shares
−10.36K
Strike price
0.0
Held after
0.00
Exercisable
—
8/20/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Unit-1 Direct | Common Stock116.52K shares | 8/20/2026 | M · Option Exercise | −116.52K | 0.0 | — | 349.55K |
| Restricted Stock Unit-3 Direct | Common Stock10.36K shares | 8/20/2026 | A · Award | +10.36K | 0.0 | — | 10.36K |
| Restricted Stock Unit-3 Direct | Common Stock10.36K shares | 8/20/2026 | M · Option Exercise | −10.36K | 0.0 | — | 0.00 |