Year archive

TETRA TECH INC — 2026 filings

All 24 regulatory filings released by TETRA TECH INC (TTEK) in 2026, sourced directly from the official regulator.

24 Filings

2026 Period

2026 filings (24)

Filing	Released	Lang
10-Q - TETRA TECH INC (0000831641) (Filer) Interim / Quarterly Report	2026-05-01	English
Major Shareholding Notification 2026 Major Shareholding Notification	2026-04-30	English
FORM 8-K Regulatory Filings	2026-04-29	English
Major Shareholding Notification 2026 Major Shareholding Notification	2026-03-27	English
FORM 8-K Regulatory Filings	2026-03-26	English
4 - TETRA TECH INC (0000831641) (Issuer) Director's Dealing	2026-03-19	English
4 - TETRA TECH INC (0000831641) (Filer) Director's Dealing	2026-02-20	English
4 - TETRA TECH INC (0000831641) (Filer) Director's Dealing	2026-02-20	English
8-K - TETRA TECH INC (0000831641) (Filer) Regulatory Filings	2026-02-20	English
4 Filing Director's Dealing	2026-02-12	English
4 Filing Director's Dealing	2026-02-06	English
4 Filing Director's Dealing	2026-02-06	English
10-Q Filing Interim / Quarterly Report Q1 2026	2026-01-30	English
4 Filing Director's Dealing	2026-01-28	English
4 Filing Director's Dealing	2026-01-28	English
8-K Filing Regulatory Filings	2026-01-28	English
4 Filing Director's Dealing	2026-01-14	English
4 Filing Director's Dealing	2026-01-14	English
DEFA14A Proxy Solicitation & Information Statement	2026-01-09	English
DEF 14A Filing Proxy Solicitation & Information Statement	2026-01-09	English
ARS Filing Annual Report	2026-01-09	English
3 Filing Director's Dealing	2026-01-08	English
8-K Filing Regulatory Filings	2026-01-06	English
3 Filing Director's Dealing	2026-01-06	English

Filings by year