Tetra Tech
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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
2026
3
Initial disclosure of insider ownership
SC 13G/A
Updated passive ownership disclosure
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
10-Q
Quarterly financial results and management updates
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
DEFA14A
Additional or supplemental proxy disclosures
ARS
Annual Report to Shareholders
DEF 14A
Final shareholder voting details (board elections and executive pay)
3
Initial disclosure of insider ownership
3
Initial disclosure of insider ownership
8-K
Material company events (earnings, M&A, or leadership changes)
2025
8-K
Material company events (earnings, M&A, or leadership changes)
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
4
Insider ownership (buying, selling) activity
Tetra Tech (Form 3) 2026
Insider Trades / Initial disclosure of insider ownership
Apr 3, 2026
