Tetra Tech (TTEK) SEC Filings

Browse all Tetra Tech SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

Tetra Tech Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

4

Insider ownership (buying, selling) activity

Feb 20, 2026

4

Insider ownership (buying, selling) activity

Feb 20, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Feb 20, 2026

4

Insider ownership (buying, selling) activity

Feb 12, 2026

4

Insider ownership (buying, selling) activity

Feb 6, 2026

4

Insider ownership (buying, selling) activity

Feb 6, 2026

10-Q

Quarterly financial results and management updates

Jan 30, 2026

4

Insider ownership (buying, selling) activity

Jan 28, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Jan 28, 2026

4

Insider ownership (buying, selling) activity

Jan 28, 2026

4

Insider ownership (buying, selling) activity

Jan 14, 2026

4

Insider ownership (buying, selling) activity

Jan 14, 2026

DEFA14A

Additional or supplemental proxy disclosures

Jan 9, 2026

ARS

Annual Report to Shareholders

Jan 9, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Jan 9, 2026

3

Initial disclosure of insider ownership

Jan 8, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Jan 6, 2026

3

Initial disclosure of insider ownership

Jan 6, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Dec 22, 2025

4

Insider ownership (buying, selling) activity

Dec 3, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Dec 2, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

10-K

Annual financial results and management updates

Nov 20, 2025

4

Insider ownership (buying, selling) activity

Nov 20, 2025

8-K

Material company events (earnings, M&A, or leadership changes)

Nov 12, 2025

Tetra Tech (Form 4) 2026

Insider Trades / Insider ownership (buying, selling) activity

Feb 20, 2026

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