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TETRA TECH INC — 4 Filings

1,318 4 filings on record

This page lists all 4 filings submitted to the SEC by TETRA TECH INC (TTEK), sorted by most recent first. Each row links to the full filing on EdgarLookup. TETRA TECH INC has filed 1,318 4 documents with the SEC since 2014. To view all SEC filings by TETRA TECH INC, see the full filings list.

Overview All Filings Financials Insiders
All 10-C 10-K 10-K/A 10-Q 10-Q/A 144 3 3/A 4 4/A 424B1 424B2 424B3 424B4 5 8-K 8-K/A ARS CORRESP DEF 14A DEF 14C DEFA14A DEFR14A NT 10-K NT 10-Q POS AM PRE 14A PRER14C S-3 S-3/A S-3MEF S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
4 FORM 4 0001592089-26-000004 Mar 18, 2026 Mar 16, 2026
4 FORM 4 0001721930-26-000003 Feb 20, 2026 Feb 19, 2026
4 FORM 4 0001902712-26-000002 Feb 20, 2026 Feb 19, 2026
4 FORM 4 0001628280-26-007775 Feb 12, 2026 Feb 10, 2026
4 FORM 4 0001628280-26-006115 Feb 6, 2026 Feb 4, 2026
4 FORM 4 0001628280-26-006116 Feb 6, 2026
4 FORM 4 0001369458-26-000004 Jan 28, 2026 Jan 26, 2026
4 FORM 4 0001584184-26-000002 Jan 28, 2026 Jan 26, 2026
4 FORM 4 0001592089-26-000002 Jan 14, 2026 Jan 12, 2026
4 FORM 4 0001748476-26-000002 Jan 14, 2026 Jan 1, 2025
4 FORM 4 0000831641-25-000039 Dec 3, 2025 Nov 19, 2025
4 FORM 4 0001902712-25-000006 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001450067-25-000005 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001927052-25-000005 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001748476-25-000003 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001582882-25-000005 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001207854-25-000006 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001277150-25-000005 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001721930-25-000005 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001561742-25-000003 Dec 2, 2025 Nov 18, 2025
4 FORM 4 0001728969-25-000006 Dec 2, 2025 Nov 19, 2025
4 FORM 4 0001721930-25-000003 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001582882-25-000003 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001207854-25-000004 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001728969-25-000004 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001450067-25-000003 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001902712-25-000004 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001277150-25-000003 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0001927052-25-000003 Nov 20, 2025 Nov 18, 2025
4 FORM 4 0000831641-25-000026 Aug 15, 2025 Aug 14, 2025
4 FORM 4 0000831641-25-000009 Mar 3, 2025 Feb 27, 2025
4 FORM 4 0000831641-25-000007 Feb 6, 2025 Feb 4, 2025
4 FORM 4 0000831641-24-000119 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000102 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000104 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000117 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000107 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000109 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000111 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000113 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000115 Dec 3, 2024 Nov 30, 2024
4 FORM 4 0000831641-24-000084 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000086 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000088 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000090 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000092 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000094 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000096 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000098 Nov 22, 2024 Nov 20, 2024
4 FORM 4 0000831641-24-000100 Nov 22, 2024 Nov 20, 2024