Updated Jul 16, 2026
Szyman Catherine M. has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-12 | MASI | MASIMO CORP | D — Derivative transaction | 7.6K | $180.00 | $1.37M |
| 2026-03-16 | MASI | MASIMO CORP | F — Tax withholding / forfeiture | 1.1K | $175.47 | $188K |
| 2026-03-16 | MASI | MASIMO CORP | M — Option exercise | 2.1K | $0.00 | |
| 2026-02-13 | MASI | MASIMO CORP | F — Tax withholding / forfeiture | 4.6K | $0.00 | |
| 2026-02-13 | MASI | MASIMO CORP | M — Option exercise | 11.1K | $132.96 | $1.48M |
Szyman Catherine M. is a corporate insider — currently tracked as Chief Executive Officer, Director of MASIMO CORP (MASI). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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