Tetra Tech TTEK SEC Filings

NASDAQ TTEK
$34.63 -0.09 (-0.26%)
At close: Oct 19, 2026 · 4:00 PM EDT
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 4:58 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
910-QQuarterly & Annual Report0000831641-26-000011May 1, 2026 8:33 PM
1010-QQuarterly & Annual Report0000831641-26-000011May 1, 2026 8:33 PM
11SCHEDULE 13GBeneficial Ownership Report0002100119-26-001120Apr 30, 2026 2:01 PM
12SCHEDULE 13GBeneficial Ownership Report0002100119-26-001120Apr 30, 2026 2:01 PM
13SCHEDULE 13GBeneficial Ownership Report0002100119-26-001120Apr 30, 2026 2:01 PM
148-KCurrent Report0001104659-26-051486Apr 29, 2026 8:06 PM
154Insider Transaction0001349767-26-000006Apr 28, 2026 11:35 PM
164Insider Transaction0001349767-26-000006Apr 28, 2026 11:35 PM
174Insider Transaction0001349767-26-000006Apr 28, 2026 11:35 PM
183Insider Transaction0001349767-26-000004Apr 3, 2026 11:05 PM
19SCHEDULE 13GBeneficial Ownership Report0000102909-26-002432Mar 27, 2026 5:33 PM
208-KCurrent Report0001104659-26-035179Mar 26, 2026 8:05 PM
214Insider Transaction0001592089-26-000004Mar 18, 2026 12:43 AM
224Insider Transaction0001592089-26-000004Mar 18, 2026 12:43 AM
234Insider Transaction0001592089-26-000004Mar 18, 2026 12:43 AM
244Insider Transaction0001902712-26-000002Feb 20, 2026 12:04 AM
254Insider Transaction0001902712-26-000002Feb 20, 2026 12:04 AM
264Insider Transaction0001902712-26-000002Feb 20, 2026 12:04 AM
274Insider Transaction0001721930-26-000003Feb 20, 2026 12:02 AM
284Insider Transaction0001721930-26-000003Feb 20, 2026 12:02 AM
294Insider Transaction0001721930-26-000003Feb 20, 2026 12:02 AM
308-KCurrent Report0001104659-26-018205Feb 20, 2026 10:00 PM
314Insider Transaction0001628280-26-007775Feb 12, 2026 10:02 PM
324Insider Transaction0001628280-26-007775Feb 12, 2026 10:02 PM
334Insider Transaction0001628280-26-007775Feb 12, 2026 10:02 PM
344Insider Transaction0001628280-26-006116Feb 6, 2026 10:07 PM
354Insider Transaction0001628280-26-006116Feb 6, 2026 10:07 PM
364Insider Transaction0001628280-26-006116Feb 6, 2026 10:07 PM
374Insider Transaction0001628280-26-006115Feb 6, 2026 10:07 PM
384Insider Transaction0001628280-26-006115Feb 6, 2026 10:07 PM
394Insider Transaction0001628280-26-006115Feb 6, 2026 10:07 PM
40144Insider Transaction0001950047-26-000914Feb 4, 2026 9:05 PM
4110-QQuarterly & Annual Report0000831641-26-000005Jan 30, 2026 9:02 PM
428-KCurrent Report0001104659-26-007481Jan 28, 2026 10:15 PM
434Insider Transaction0001369458-26-000004Jan 28, 2026 10:11 PM
444Insider Transaction0001584184-26-000002Jan 28, 2026 10:11 PM
454Insider Transaction0001748476-26-000002Jan 14, 2026 9:26 PM
464Insider Transaction0001748476-26-000002Jan 14, 2026 9:26 PM
474Insider Transaction0001748476-26-000002Jan 14, 2026 9:26 PM
484Insider Transaction0001592089-26-000002Jan 14, 2026 9:26 PM
49ARSOthers0001104659-26-002474Jan 9, 2026 9:14 PM
50DEFA14AOthers0001104659-26-002470Jan 9, 2026 9:11 PM
...

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