TTEK Tetra Tech Inc Fiscal Quarter-End Dates

52/53-week fiscal year
Month-end approximation error: 2 days Extra week absorbed by Q4

“We operate on a 52 or 53-week year, ending on the Sunday nearest September 30.”

Tetra Tech Inc Form 10-K, filed Nov 20, 2025 — SEC EDGAR

Quarter-End Dates

Period Quarter End Days Filing
FY2022 Q2 Apr 3, 2022 91 10-Q, May 6, 2022
FY2022 Q3 Jul 3, 2022 91 10-Q, Aug 5, 2022
FY2022 Q4 Oct 2, 2022 91 10-K, Nov 25, 2022
FY2023 Q1 Jan 1, 2023 91 10-Q, Feb 3, 2023
FY2023 Q2 Apr 2, 2023 91 10-Q, May 11, 2023
FY2023 Q3 Jul 2, 2023 91 10-Q, Aug 10, 2023
FY2023 Q4 Oct 1, 2023 91 10-K, Nov 22, 2023
FY2024 Q1 Dec 31, 2023 91 10-Q, Feb 2, 2024
FY2024 Q2 Mar 31, 2024 91 10-Q, May 3, 2024
FY2024 Q3 Jun 30, 2024 91 10-Q, Aug 2, 2024
FY2024 Q4 Sep 29, 2024 91 10-K, Nov 19, 2024
FY2025 Q1 Dec 29, 2024 91 10-Q, Jan 31, 2025
FY2025 Q2 Mar 30, 2025 91 10-Q, May 8, 2025
FY2025 Q3 Jun 29, 2025 91 10-Q, Aug 1, 2025
FY2025 Q4 Sep 28, 2025 91 10-K, Nov 20, 2025
FY2026 Q1 Dec 28, 2025 91 10-Q, Jan 30, 2026
FY2026 Q2 projected Mar 29, 2026 91 —
FY2026 Q3 projected Jun ??, 2026 —
FY2026 Q4
FY2027 Q1
FY2027 Q2

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