Brian N. Carter - 04 Feb 2026 Form 4 Insider Report for TETRA TECH INC (TTEK)

Reporting relationship: SVP, Corporate Controller
Issuer ticker: TTEK
Reported as of: 04 Feb 2026
Net transaction value: -$401,405
SEC form: 4
Accepted by SEC: 06 Feb 2026, 17:07:14 UTC
Prior SEC filing: 02 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ Preston Hopson, Attorney-in-fact for Brian N. Carter

Key filing fact

Brian N. Carter filed Form 4 for TETRA TECH INC (TTEK) on 06 Feb 2026.

Key facts

This page summarizes Brian N. Carter's Form 4 filing for TETRA TECH INC (TTEK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 06 Feb 2026, 17:07.

Change

Previous filing in this sequence was filed on 02 Dec 2025.
Current net transaction value: -$401,405.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001561742 Primary reporting owner

CARTER BRIAN N

Relationship: SVP, Corporate Controller
Address: 3475 EAST FOOTHILL BOULEVARD, PASADENA
Signature: /s/ Preston Hopson, Attorney-in-fact for Brian N. Carter
Signature date: 06 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

TTEK transaction

COMMON STOCK

Sale

Transaction value: $401,405
Shares: -9,979
Change %: -18%
Price: $40.22
Shares after: 46,496
Date: 04 Feb 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.2244 to $40.225, inclusive.