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 |
|---|---|---|---|
| Major company event | 8-K | 2023-08-08 | 2023-08-08 |
| Major company event | 8-K | 2023-07-17 | 2023-07-17 |
| Insider trade | 4 | 2023-07-06 | 2023-06-26 |
| New insider ownership | 3 | 2023-07-06 | 2023-06-26 |
| SEC correspondence | UPLOAD | 2023-07-05 | - |
| Activist ownership stake (update) | SC 13D/A | 2023-06-30 | - |
| Insider trade | 4 | 2023-06-29 | 2023-06-26 |
| New insider ownership | 3 | 2023-06-29 | 2023-06-26 |
| Insider trade | 4 | 2023-06-28 | 2023-06-26 |
| Insider trade | 4 | 2023-06-28 | 2023-06-26 |
| Major company event | 8-K | 2023-06-28 | 2023-06-26 |
| Employee plan annual report | 11-K | 2023-06-28 | 2022-12-31 |
| Proxy materials | DEFA14A | 2023-06-23 | - |
| Proxy materials | DEFA14A | 2023-06-22 | - |
| Proxy materials | DEFA14A | 2023-06-20 | - |
| Proxy materials | DEFA14A | 2023-06-20 | - |
| DFAN14A | - | 2023-06-15 | - |
| DFAN14A | - | 2023-06-13 | - |
| Proxy materials | DEFA14A | 2023-06-13 | - |
| DFAN14A | - | 2023-06-12 | - |
| Proxy materials | DEFA14A | 2023-06-12 | - |
| Company correspondence | CORRESP | 2023-06-09 | - |
| Proxy materials | DEFA14A | 2023-06-09 | - |
| SEC correspondence | UPLOAD | 2023-06-08 | - |
| SEC correspondence | UPLOAD | 2023-06-08 | - |
| DFAN14A | - | 2023-06-06 | - |
| Proxy materials | DEFA14A | 2023-06-06 | - |
| Major company event | 8-K | 2023-06-06 | 2023-06-05 |
| Proxy materials | DEFA14A | 2023-06-02 | - |
| Proxy materials | DEFA14A | 2023-06-02 | - |
| Proxy materials | DEFA14A | 2023-06-02 | - |
| Proxy materials | DEFA14A | 2023-06-01 | - |
| Insider trade | 4 | 2023-05-31 | 2023-05-26 |
| Insider trade | 4 | 2023-05-31 | 2023-05-26 |
| Insider trade | 4 | 2023-05-31 | 2023-05-26 |
| Insider trade | 4 | 2023-05-31 | 2023-05-26 |
| Proxy materials | DEFA14A | 2023-05-31 | - |
| DFAN14A | - | 2023-05-30 | - |
| DFAN14A | - | 2023-05-30 | - |
| Insider trade | 4 | 2023-05-30 | 2023-05-25 |
| Proxy materials | DEFA14A | 2023-05-26 | - |
| Proxy materials | DEFA14A | 2023-05-26 | - |
| DEFR14A | - | 2023-05-25 | - |
| Annual report to shareholders | ARS | 2023-05-24 | 2022-12-31 |
| DEFC14A | - | 2023-05-24 | - |
| PRER14A | - | 2023-05-24 | - |
| DFAN14A | - | 2023-05-23 | - |
| Company correspondence | CORRESP | 2023-05-23 | - |
| SEC correspondence | UPLOAD | 2023-05-23 | - |
| DEFC14A | - | 2023-05-22 | - |