MASI Masimo Corp Fiscal Quarter-End Dates

52/53-week fiscal year
Month-end approximation error: 26 days Extra week absorbed by Q4

“Fiscal year 2025 is a 53 week fiscal year ending January 3, 2026.”

Masimo Corp Form 10-K, filed Feb 27, 2026 — SEC EDGAR

Quarter-End Dates

Period Quarter End Days Filing
FY2022 Q1 Apr 2, 2022 91 10-Q, May 3, 2022
FY2022 Q2 Jul 2, 2022 91 10-Q, Aug 10, 2022
FY2022 Q3 Oct 1, 2022 91 10-Q, Nov 9, 2022
FY2022 Q4 Dec 31, 2022 91 10-K, Mar 1, 2023
FY2023 Q1 Apr 1, 2023 91 10-Q, May 10, 2023
FY2023 Q2 Jul 1, 2023 91 10-Q, Aug 8, 2023
FY2023 Q3 Sep 30, 2023 91 10-Q, Nov 8, 2023
FY2023 Q4 Dec 30, 2023 91 10-K, Feb 28, 2024
FY2024 Q1 Mar 30, 2024 91 10-Q, May 7, 2024
FY2024 Q2 Jun 29, 2024 91 10-Q, Aug 7, 2024
FY2024 Q3 Sep 28, 2024 91 10-Q, Nov 6, 2024
FY2024 Q4 Dec 28, 2024 91 10-K, Feb 25, 2025
FY2025 Q1 Mar 29, 2025 91 10-Q, May 6, 2025
FY2025 Q2 Jun 28, 2025 91 10-Q, Aug 5, 2025
FY2025 Q3 Sep 27, 2025 91 10-Q, Nov 4, 2025
FY2025 Q4 Jan 3, 2026 98 10-K, Feb 27, 2026
FY2026 Q1 projected Apr 4, 2026 91 —
FY2026 Q2 projected Jul ??, 2026 —
FY2026 Q3
FY2026 Q4
FY2027 Q1

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