SZYMAN CATHERINE M. (CEO) exercised options at MASIMO CORP
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 3/16/2026ACC: 0000937556-26-000044
DirectorOfficer· CEO
Since Feb 2026
-1.07K
Net shares
Net seller
$187.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
2.10K acquired · 3.17K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+2.10K
Price / share
—
Trade value
—
% of position
32.0%
3/11/2026
6.57K→8.67K
Common Stock
Direct
Shares
−1.07K
Price / share
$175.47
Trade value
$187.58K
% of position
12.3%
3/11/2026
8.67K→7.61K
Total
Net shares
+1.03K
Net value
-$187.58K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 3/11/2026 | M · Option Exercise | +2.10K | — | — | 32.0% | 6.57K | 8.67K |
| Common Stock Direct | 3/11/2026 | F · Tax Withholding | −1.07K | $175.47 | $187.58K | 12.3% | 8.67K | 7.61K |
| Total | +1.03K | -$187.58K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
2.10K shares
Shares
−2.10K
Strike price
Held after
6.31K
Exercisable
—
3/11/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock2.10K shares | 3/11/2026 | M · Option Exercise | −2.10K | — | 6.31K |