Tetra Tech, Inc. (TTEK)
Nasdaq: TTEK · Services-Engineering Services · Pasadena, CA · filing with the SEC since 1995
Grade6.0
◀ Past 7.4● Present 5.6▶ Future 4.3
Filings
185 filings since 2017 beside 635 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026Due nextLarge accelerated filer
10-K
Annual report for the fiscal year ending Sep 27, 2026Large accelerated filers have 60 days after the fiscal year ends.
by Nov 26, 2026
10-Q
Quarterly report for the quarter ending Dec 31, 2026Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end.
by Feb 9, 2027
A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. The proxy statement was last filed Jan 9, 2026.
Filings a yearinsider forms included
10791868480874535
2026 counts to Nov 13, 2026.
Officer or director change (8-K item 5.02): 8 times in the last 36 months, the newest Mar 26, 2026.SEC letters: 5 in the last 36 months, the newest Apr 5, 2024.
Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.
FiledFormWhat it is, in plain wordsPeriodAsk
Feb 20, 2026
8-K items 5.02, 5.07, 9.01
Officer or director change; Shareholder vote · Current report
Feb 19, 2026
May 7, 2025
8-K items 1.01, 2.02, 2.03, 3.03, 8.01, 9.01
Major agreement signed; Results released; New debt or obligation taken on; Change to shareholders' rights; Other event · Current report
May 5, 2025
Feb 28, 2025
8-K items 5.02, 5.07
Officer or director change; Shareholder vote · Current report
Feb 24, 2025
40 of 185 shown
Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.