Quick Takeaways
- Joe E. Kiani filed SCHEDULE 13G/A for Masimo Corporation Common Stock, $0.0001 par value (MASI).
- Disclosed ownership: 10%.
- Date of event: 31 Dec 2025.
Joe E. Kiani - 31 Dec 2025 SCHEDULE 13G/A Report for Masimo Corporation Common Stock, $0.0001 par value (MASI)
- Filing Manager
- Joe E. Kiani
- Reporting Manager
- Joe Kiani
- Symbol
- MASI
- Shares outstanding
- 57,326,495 shares
- Disclosed Ownership
- 5,904,629 shares
- Ownership
- 10%
- Form type
- SCHEDULE 13G/A
- Filing time
- 13 Feb 2026, 19:59:34 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 12 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Joe E. Kiani disclosed 10% ownership in Masimo Corporation Common Stock, $0.0001 par value (MASI) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 12 Nov 2025.
- Current filing was accepted on 13 Feb 2026, 19:59.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Joe Kiani | 10% | 5,904,629 | 5,865,894 | 38,735 | /s/ Joe Kiani | Individual |