Companies: 10,795·Total market cap: $144.5T
Tetra Tech, Inc.

Tetra Tech, Inc.

TTEKNASDAQIndustrials● Active
$27.90
$-0.07(-0.25%)
Market Cap$7.2B
P/E Ratio—
52W High$43.14
52W Low$25.81
SEC Filings

Tetra Tech, Inc. (TTEK) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000831641 · TTEK · NASDAQ · as of Jun 8, 2026

Filing snapshot

1,009+
Total Filings
4
Latest Form
2026-06-05
Most Recent
1991
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0000831641 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2025-11-20
Fiscal Year End
Nov 20, 2025
Accession No.
0000831641-25-000032
Primary Document
ttek-20250928.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0000831641 · Accession 0000831641-25-000032

Latest Key Filings

10-QQuarterly Report
10-Q
2026-05-01
View 10-Q on SEC
8-KCurrent Report
FORM 8-K
2026-04-29Material Event
View 8-K on SEC
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
10-QQuarterly Report
10-Q
2026-05-01
View
SCHEDULE 13GSCHEDULE 13G
SCHEDULE 13G
2026-04-30
View
8-KCurrent Report
FORM 8-K
2026-04-29
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-04-03
View
SCHEDULE 13G/ASCHEDULE 13G/A
SCHEDULE 13G/A
2026-03-27
View
8-KCurrent Report
FORM 8-K
2026-03-26
View
8-KCurrent Report
FORM 8-K
2026-02-20
View
10-QQuarterly Report
10-Q
2026-01-30
View
8-KCurrent Report
FORM 8-K
2026-01-28
View
ARSARS
ARS
2026-01-09
View
DEFA14AProxy Statement (Additional)
DEFA14A
2026-01-09
View
DEF 14AProxy Statement
FORM DEF 14A
2026-01-09
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-01-08
View
3Initial Statement of Beneficial Ownership
FORM 3
2026-01-06
View
8-KCurrent Report
FORM 8-K
2026-01-06
View
Showing 1–15 of 268 filingsForm 4 / 144 hidden· 1009 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000831641  |  Exchange: NASDAQ · Industrials

Tetra Tech, Inc. (NASDAQ: TTEK) has submitted 1,009+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1991. As a Industrials sector company with CIK 0000831641, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is Tetra Tech, Inc.'s most comprehensive regulatory disclosure. The most recent Tetra Tech, Inc. 10-K was filed on 2025-11-20 for fiscal year ending 2025. Historical TTEK 10-K annual reports are available from 2014 through 2025.

Investors researching Tetra Tech, Inc. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-08
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→ TTEK Financials→ TTEK Earnings→ TTEK Insider Trades

Frequently Asked Questions

TTEK SEC Filings · 8 questions

Tetra Tech, Inc. (TTEK) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,009+ filings and access original documents at no cost. Tetra Tech, Inc.'s CIK is 0000831641.

TTEK SEC filingsTetra Tech, Inc. SEC documentsfind TTEK 10-K