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 |
|---|---|---|---|
| New insider ownership | 3 | 2025-04-23 | 2025-04-21 |
| SCHEDULE 13G/A | - | 2025-04-22 | - |
| Proxy statement | DEF 14A | 2025-03-26 | 2025-04-29 |
| Insider sale notice | 144 | 2025-03-14 | - |
| Insider trade | 4 | 2025-03-14 | 2025-03-13 |
| Insider trade | 4 | 2025-03-14 | 2025-03-14 |
| Insider trade | 4 | 2025-03-13 | 2025-03-11 |
| Insider trade | 4 | 2025-03-13 | 2025-03-11 |
| Insider trade | 4 | 2025-03-12 | 2025-03-10 |
| Insider sale notice | 144 | 2025-03-10 | - |
| SCHEDULE 13G | - | 2025-03-04 | - |
| Insider trade | 4 | 2025-03-04 | 2025-03-01 |
| Insider trade | 4 | 2025-03-04 | 2025-03-01 |
| Insider trade | 4 | 2025-03-04 | 2025-03-01 |
| Insider sale notice | 144 | 2025-03-03 | - |
| Insider sale notice | 144 | 2025-03-03 | - |
| S-3ASR | - | 2025-02-26 | - |
| POSASR | - | 2025-02-25 | - |
| Annual report | 10-K | 2025-02-25 | 2024-12-28 |
| Major company event | 8-K | 2025-02-25 | 2025-02-25 |
| Major company event | 8-K | 2025-02-19 | 2025-02-12 |
| Insider trade | 4 | 2025-02-14 | 2025-02-12 |
| Insider trade | 4 | 2025-02-14 | 2025-02-12 |
| New insider ownership | 3 | 2025-02-14 | 2025-02-12 |
| SCHEDULE 13G/A | - | 2025-02-12 | - |
| SCHEDULE 13G/A | - | 2025-02-07 | - |
| Major company event | 8-K | 2025-02-07 | 2025-02-06 |
| Major company event | 8-K | 2025-01-31 | 2025-01-30 |
| Major company event | 8-K | 2025-01-21 | 2025-01-17 |
| Insider trade | 4 | 2025-01-17 | 2025-01-15 |
| Major company event | 8-K | 2025-01-16 | 2025-01-16 |
| Insider sale notice | 144 | 2025-01-07 | - |
| Insider sale notice | 144 | 2024-12-16 | - |
| Major company event | 8-K | 2024-11-18 | 2024-11-13 |
| Major company event | 8-K | 2024-11-18 | 2024-11-13 |
| Insider trade | 4 | 2024-11-15 | 2024-11-13 |
| Insider trade | 4 | 2024-11-13 | 2024-11-11 |
| Quarterly report | 10-Q | 2024-11-06 | 2024-09-28 |
| Major company event | 8-K | 2024-11-05 | 2024-11-05 |
| Major company event | 8-K | 2024-10-29 | 2024-10-24 |
| Insider trade | 4 | 2024-10-18 | 2024-10-16 |
| New insider ownership | 3 | 2024-10-18 | 2024-10-16 |
| Insider trade | 4 | 2024-10-18 | 2024-10-16 |
| New insider ownership | 3 | 2024-10-18 | 2024-10-16 |
| Major company event | 8-K | 2024-10-18 | 2024-10-16 |
| Activist ownership stake (update) | SC 13D/A | 2024-09-25 | - |
| Major company event | 8-K | 2024-09-25 | 2024-09-25 |
| Insider trade | 4 | 2024-09-23 | 2024-06-26 |
| Insider trade | 4 | 2024-09-23 | 2024-09-19 |
| New insider ownership | 3 | 2024-09-23 | 2024-09-19 |