MASI - CIK 0000937556
MASIMO CORP has filed 1,510 documents with the SEC between 1996 and 2026. The most frequent type is insider trade (663 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| DFAN14A | - | 2024-07-17 | - |
| Proxy materials | DEFA14A | 2024-07-16 | - |
| Major company event | 8-K | 2024-07-16 | 2024-07-15 |
| Proxy materials | DEFA14A | 2024-07-15 | - |
| Activist ownership stake (update) | SC 13D/A | 2024-07-15 | - |
| DFAN14A | - | 2024-07-15 | - |
| DFAN14A | - | 2024-07-15 | - |
| DFAN14A | - | 2024-07-12 | - |
| Activist ownership stake (update) | SC 13D/A | 2024-07-12 | - |
| Proxy materials | DEFA14A | 2024-07-11 | - |
| DFAN14A | - | 2024-07-11 | - |
| Major company event | 8-K | 2024-07-09 | 2024-07-09 |
| Proxy materials | DEFA14A | 2024-07-08 | - |
| Major company event | 8-K | 2024-07-08 | 2024-07-02 |
| Activist ownership stake (update) | SC 13D/A | 2024-07-08 | - |
| Proxy materials | DEFA14A | 2024-07-02 | - |
| Proxy materials | DEFA14A | 2024-07-02 | - |
| DFAN14A | - | 2024-07-02 | - |
| Proxy materials | DEFA14A | 2024-07-01 | - |
| Proxy materials | DEFA14A | 2024-07-01 | - |
| Major company event | 8-K | 2024-07-01 | 2024-06-26 |
| Insider trade | 4 | 2024-06-28 | 2024-06-26 |
| Proxy materials | DEFA14A | 2024-06-26 | - |
| DFAN14A | - | 2024-06-26 | - |
| DFAN14A | - | 2024-06-26 | - |
| DFAN14A | - | 2024-06-26 | - |
| DFAN14A | - | 2024-06-26 | - |
| Employee plan annual report | 11-K | 2024-06-26 | 2023-12-31 |
| DEFC14A | - | 2024-06-21 | - |
| Proxy materials | DEFA14A | 2024-06-20 | - |
| Major company event | 8-K | 2024-06-20 | 2024-06-20 |
| Proxy materials | DEFA14A | 2024-06-20 | - |
| PRRN14A | - | 2024-06-20 | - |
| SEC correspondence | UPLOAD | 2024-06-20 | - |
| Proxy materials | DEFA14A | 2024-06-17 | - |
| Proxy materials | DEFA14A | 2024-06-17 | - |
| Annual report to shareholders | ARS | 2024-06-17 | 2023-12-30 |
| DEFC14A | - | 2024-06-17 | - |
| PRRN14A | - | 2024-06-14 | - |
| Proxy materials | DEFA14A | 2024-06-12 | - |
| SEC correspondence | UPLOAD | 2024-06-11 | - |
| Company correspondence | CORRESP | 2024-06-10 | - |
| PRER14A | - | 2024-06-10 | - |
| Major company event | 8-K | 2024-06-07 | 2024-06-05 |
| SEC correspondence | UPLOAD | 2024-06-07 | - |
| DFAN14A | - | 2024-06-03 | - |
| PREC14A | - | 2024-06-03 | - |
| Proxy materials | DEFA14A | 2024-05-31 | - |
| Proxy materials | DEFA14A | 2024-05-31 | - |
| PREC14A | - | 2024-05-31 | - |