HELLMANN ELISABETH A

PrivateCIK: 1870256
Location

IRVINE, CA

HELLMANN ELISABETH A (Chief Human Resources Officer) exercised options at MASIMO CORP

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

M · 1 exercise
InsiderHELLMANN ELISABETH ACIK 1870256
IssuerMASIMO CORPCIK 937556
Officer· Chief Human Resources Officer
Since Mar 2026
-121.00
Net shares
Net seller
$21.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
335.00 acquired · 456.00 disposed
Non-Derivative Transactions2

Common Stock

Direct
M · Option Exercise

Shares

+335.00

Price / share

Trade value

% of position

New position
4/21/2026
0.00335.00

Common Stock

Direct
F · Tax Withholding

Shares

121.00

Price / share

$178.43

Trade value

$21.59K

% of position

36.1%
4/21/2026
335.00214.00
Total

Net shares

+214.00

Net value

-$21.59K

Derivative Transactions1

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

335.00 shares

Shares

335.00

Strike price

Held after

1K

Exercisable

4/21/2026
HELLMANN ELISABETH A — Insider Transaction (Form 4) Filed May 5, 2026 | Finecho