TETRA TECH INC reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Pasadena, CA
SEC filing record 1 source field available
Fiscal year end
27 September
TETRA TECH INC has filed 2,116 SEC EDGAR filings since 10 Feb 1995

SEC filing history

Showing 1-25 of 1,000 matching filings.

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1
4

FORM 4

Filing date
05 Jun 2026
Reporting date
04 Jun 2026
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4

FORM 4

Filing date
15 May 2026
Reporting date
15 May 2026
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SCHEDULE 13G File 005-43035

SCHEDULE 13G filing

Filing date
30 Apr 2026
Reporting date
Not listed
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4

FORM 4

Filing date
28 Apr 2026
Reporting date
27 Apr 2026
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3

FORM 3

Filing date
03 Apr 2026
Reporting date
30 Mar 2026
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SCHEDULE 13G/A File 005-43035

SCHEDULE 13G/A filing

Filing date
27 Mar 2026
Reporting date
Not listed
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4

FORM 4

Filing date
18 Mar 2026
Reporting date
16 Mar 2026
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4

FORM 4

Filing date
20 Feb 2026
Reporting date
19 Feb 2026
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4

FORM 4

Filing date
20 Feb 2026
Reporting date
19 Feb 2026
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4

FORM 4

Filing date
12 Feb 2026
Reporting date
10 Feb 2026
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4

FORM 4

Filing date
06 Feb 2026
Reporting date
06 Feb 2026
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4

FORM 4

Filing date
06 Feb 2026
Reporting date
04 Feb 2026
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144 File 000-19655

144 filing

Filing date
04 Feb 2026
Reporting date
Not listed
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4

FORM 4

Filing date
28 Jan 2026
Reporting date
26 Jan 2026
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4

FORM 4

Filing date
28 Jan 2026
Reporting date
26 Jan 2026
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4

FORM 4

Filing date
14 Jan 2026
Reporting date
01 Jan 2025
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4

FORM 4

Filing date
14 Jan 2026
Reporting date
12 Jan 2026
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ARS File 000-19655

ARS

Filing date
09 Jan 2026
Reporting date
28 Sep 2025
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DEFA14A File 000-19655

DEFA14A

Filing date
09 Jan 2026
Reporting date
Not listed
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