BARTELS LAURA KATHLEEN

PrivateCIK: 2114104
Location

SAN JOSE, CA

BARTELS LAURA KATHLEEN (Chief Accounting Officer) exercised options at ARM HOLDINGS PLC /UK

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderBARTELS LAURA KATHLEENCIK 2114104
IssuerARM HOLDINGS PLC /UKCIK 1973239
Officer· Chief Accounting Officer
Since Mar 2026
-856.00
Net shares
Net seller
$232.3K
Total sold
0
Open market trades
0B · 0S
5
Total transactions
1.68K acquired · 2.54K disposed
Non-Derivative Transactions3

Ordinary Shares

Direct
M · Option Exercise

Shares

+862.00

Price / share

Trade value

% of position

7.1%
8/17/2026
12.13K13K

Ordinary Shares

Direct
M · Option Exercise

Shares

+819.00

Price / share

Trade value

% of position

6.3%
8/17/2026
13K13.82K

Ordinary Shares

Direct
F · Tax Withholding

Shares

856.00

Price / share

$271.43

Trade value

$232.34K

% of position

6.2%
8/17/2026
13.82K12.96K
Total

Net shares

+825.00

Net value

-$232.34K

Derivative Transactions2

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Ordinary Shares

862.00 shares

Shares

862.00

Strike price

Held after

100.39K

Exercisable

8/17/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Ordinary Shares

819.00 shares

Shares

819.00

Strike price

Held after

99.57K

Exercisable

8/17/2026