Tetra Tech TTEK SEC Filings

NASDAQ TTEK
$41.09 +0.80 (+1.99%)
At close: Nov 9, 2026 · 4:00 PM EST
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Tetra Tech Inc (TTEK) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001104659-26-106564Sep 10, 2026 1:00 PM
24Insider Transaction0001582882-26-000004Aug 6, 2026 9:17 PM
3S-8Prospectus0001104659-26-091069Aug 5, 2026 8:03 PM
410-QQuarterly & Annual Report0000831641-26-000017Jul 31, 2026 8:34 PM
58-KCurrent Report0001104659-26-088213Jul 29, 2026 8:58 PM
64Insider Transaction0001582882-26-000002Jun 5, 2026 11:08 PM
74Insider Transaction0001369458-26-000006May 15, 2026 9:36 PM
810-QQuarterly & Annual Report0000831641-26-000011May 1, 2026 8:33 PM
9SCHEDULE 13GBeneficial Ownership Report0002100119-26-001120Apr 30, 2026 6:01 PM
108-KCurrent Report0001104659-26-051486Apr 29, 2026 8:06 PM
114Insider Transaction0001349767-26-000006Apr 28, 2026 11:35 PM
123Insider Transaction0001349767-26-000004Apr 3, 2026 11:05 PM
13SCHEDULE 13GBeneficial Ownership Report0000102909-26-002432Mar 27, 2026 5:33 PM
148-KCurrent Report0001104659-26-035179Mar 26, 2026 8:05 PM
154Insider Transaction0001592089-26-000004Mar 18, 2026 12:43 AM
164Insider Transaction0001902712-26-000002Feb 20, 2026 12:04 AM
174Insider Transaction0001721930-26-000003Feb 20, 2026 12:02 AM
188-KCurrent Report0001104659-26-018205Feb 20, 2026 10:00 PM
194Insider Transaction0001628280-26-007775Feb 12, 2026 10:02 PM
204Insider Transaction0001628280-26-006116Feb 6, 2026 10:07 PM
214Insider Transaction0001628280-26-006115Feb 6, 2026 10:07 PM
22144Insider Transaction0001950047-26-000914Feb 4, 2026 9:05 PM
2310-QQuarterly & Annual Report0000831641-26-000005Jan 30, 2026 9:02 PM
248-KCurrent Report0001104659-26-007481Jan 28, 2026 10:15 PM
254Insider Transaction0001369458-26-000004Jan 28, 2026 10:11 PM
264Insider Transaction0001584184-26-000002Jan 28, 2026 10:11 PM
274Insider Transaction0001748476-26-000002Jan 14, 2026 9:26 PM
284Insider Transaction0001592089-26-000002Jan 14, 2026 9:26 PM
29ARSOthers0001104659-26-002474Jan 9, 2026 9:14 PM
30DEFA14AOthers0001104659-26-002470Jan 9, 2026 9:11 PM
31DEF 14AOthers0001104659-26-002458Jan 9, 2026 9:04 PM
323Insider Transaction0001628280-26-001390Jan 8, 2026 10:07 PM
333Insider Transaction0001628280-26-000976Jan 6, 2026 10:46 PM
348-KCurrent Report0001104659-26-001352Jan 6, 2026 9:34 PM
358-KCurrent Report0001104659-25-123764Dec 22, 2025 9:32 PM
364Insider Transaction0000831641-25-000039Dec 3, 2025 10:54 PM
374Insider Transaction0001582882-25-000005Dec 2, 2025 1:23 AM
384Insider Transaction0001450067-25-000005Dec 2, 2025 1:22 AM
394Insider Transaction0001902712-25-000006Dec 2, 2025 1:20 AM
404Insider Transaction0001728969-25-000006Dec 2, 2025 1:18 AM
414Insider Transaction0001927052-25-000005Dec 2, 2025 1:15 AM
424Insider Transaction0001561742-25-000003Dec 2, 2025 1:13 AM
434Insider Transaction0001277150-25-000005Dec 2, 2025 1:11 AM
444Insider Transaction0001748476-25-000003Dec 2, 2025 1:10 AM
454Insider Transaction0001721930-25-000005Dec 2, 2025 1:08 AM
464Insider Transaction0001207854-25-000006Dec 2, 2025 1:07 AM
474Insider Transaction0001207854-25-000004Nov 20, 2025 11:51 PM
484Insider Transaction0001927052-25-000003Nov 20, 2025 11:49 PM
494Insider Transaction0001721930-25-000003Nov 20, 2025 11:46 PM
504Insider Transaction0001902712-25-000004Nov 20, 2025 11:45 PM
...

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