Szyman Catherine M. (CIK 1438538) reported 6 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-12). Recent activity: Sell MASI (7,605 shares), Buy MASI (2,101 shares), Sell MASI (1,069 shares), Buy MASI (11,141 shares), Sell MASI (4,568 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-12 | MASIMO CORP (MASI) | Chief Executive Officer | Sell | 7,605 | $1.4M |
| 2026-03-16 | MASIMO CORP (MASI) | CEO | Buy | 2,101 | $0 |
| 2026-03-16 | MASIMO CORP (MASI) | CEO | Sell | 1,069 | $187,577 |
| 2026-02-13 | MASIMO CORP (MASI) | CEO | Buy | 11,141 | $1.5M |
| 2026-02-13 | MASIMO CORP (MASI) | CEO | Sell | 4,568 | $0 |
| 2025-02-19 | Inari Medical, Inc. (NARI) | Director | Sell | 22,429 | $0 |
Source: SEC Form 4 filings · as of 2026-06-12