greeksoup/ stock research
Stock research / United States / TTEK / Filings

Tetra Tech Inc. SEC filings

In the twelve months since 9 October 2025 Tetra Tech Inc. filed 17 documents with the SEC of the kinds listed here: 9 current reports (8-K), about 8 other events; 4 results of operations; 4 officer or director change; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee share plan registration (S-8), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 10 September 2026: 8-K, other events.

FiledFormWhat it was aboutPeriod or event dateFiling
10 September 20268-KOther events10 September 2026EDGAR
5 August 2026S-8employee share plan registrationEDGAR
31 July 202610-Qquarterly report28 June 2026EDGAR
29 July 20268-KResults of operations, Other events29 July 2026EDGAR
1 May 202610-Qquarterly report29 March 2026EDGAR
29 April 20268-KResults of operations, Other events29 April 2026EDGAR
26 March 20268-KOfficer or director change, Other events26 March 2026EDGAR
20 February 20268-KOfficer or director change, Shareholder vote19 February 2026EDGAR
30 January 202610-Qquarterly report28 December 2025EDGAR
28 January 20268-KResults of operations, Other events28 January 2026EDGAR
9 January 2026ARSannual report to shareholders28 September 2025EDGAR
9 January 2026DEFA14Aadditional proxy materialEDGAR
9 January 2026DEF 14Aproxy statement19 February 2026EDGAR
6 January 20268-KOfficer or director change, Other events6 January 2026EDGAR
22 December 20258-KOfficer or director change, Other events22 December 2025EDGAR
20 November 202510-Kannual report28 September 2025EDGAR
12 November 20258-KResults of operations, Other events12 November 2025EDGAR
An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened.
Read moreForm 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

The same record on your computer

GreekSoup is also a free program for your own computer. It reads these same filings for the names you follow, refreshed as they land, with no account. One pasted line installs it.

Install