WAVEMAN · COMPANY

TTEK · Tetra Tech Inc

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TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475TEAM-2.62% 13F +440META+1.00% 13F +2,694RCG+0.35% CLUSTERUTHR-0.54% 13F +425CRWV+5.68% 13F +694CRM-1.97% 13F +1,019CVNA+1.58% 13F +795TPL-1.11% 13F +444NET-1.96% 13F +711MSTR-1.39% 13F +527DELL+1.50% 13F +1,204CRWD-0.87% 13F +1,383ANET+1.22% 13F +1,324COIN-4.18% 13F +475

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TTEK

Name: TETRA TECH INC (TTEK) insider trading and ownership data
Creator: WaveMan
License: https://wave-man.com/terms

TETRA TECH INC

PHARMA & BIOTECH · SERVICES-ENGINEERING SERVICES · CIK 0000831641

SEC FILINGS☆ WATCH

INSIDER NET · 180D

$50.2K

open-market buys minus sells, Form 4 codes P and S

INSIDER BUYERS · 180D

CONGRESS BUYERS · 1Y

FUNDS ADDED · QTR

269

13F, latest reported quarter

REVENUE GROWTH

+4.7%

XBRL, annual

NET MARGIN

4.6%

CONVERSIONS · 180D

codes C/M, not in net · $38.4K priced

SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST

INSIDERS

net +$50.2K over 180 days

more than 73% of Pharma & Biotech

CONGRESS

no member of Congress has reported trading it

FUNDS

269 funds added or opened last quarter

more than 92% of Pharma & Biotech

REVENUE

+4.7% year over year

more than 54% of Pharma & Biotech

MARGIN

4.6% net margin

more than 74% of Pharma & Biotech

BUYBACKS

$202.0M repurchased, FY to 2026-06-28

more than 77% of Pharma & Biotech

SHORT

no short interest reported

THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET

269 funds added or opened positions in the latest 13F quarter, of 570 holders.

The year, with the filings on it

Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail

TOTAL 12M RETURN -0.6%

-0.6%12M

INSIDER BUYINSIDER SELL

INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY

Live price

Daily candles from TradingView, on their licence — no filings are marked on this one

WHY THIS NAME IS ON THE DESK

Insiders are net buyers of their own stock.

The record shows a net $50.2K bought by insiders over 180 days, 269 funds added last quarter. Every figure is a federal filing, dated the day it became public.

Backtest this pattern Open the screener

Same sector, ranked by filing activity

Sector from the SEC's own SIC classification

UTHR CPIX MRNA REGN LLY ALNY ELF CITR MDGL DNA VRTX NUVL

Insider transactions

Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, TETRA TECH INC insiders bought a net $50.2K of stock across 70 Form 4 purchases and sales, with 1 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-06.

INSIDER

FILED

VALUE

Feeler Jeffrey R

Director

BUY

2026-05-15

1,900.0

$50.2K

CARTER BRIAN N

SVP, Corporate Controller

SELL

2026-02-04

9,979.0

$401.5K

Birkenbeuel Gary

Director

SELL

2025-08-14

2,390.0

$86.0K

Volpi Kirsten M

Director

SELL

2025-02-04

4,345.0

$149.1K

Volpi Kirsten M

Director

SELL

2025-02-04

4,100.0

$140.8K

70 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 65 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders

13F · holdings as of the latest quarter funds have reported

BlackRock, Inc.

28,675,276.0 sh

$828.4M

VANGUARD PORTFOLIO MANAGEMENT LLC

12,467,970.0 sh

$360.2M

VANGUARD CAPITAL MANAGEMENT LLC

11,725,738.0 sh

$338.8M

Capital International Investors

11,651,238.0 sh

$336.6M

STATE STREET CORP

9,761,640.0 sh

$282.0M

SCHEDULE 13D/G

No 5%+ ownership filings

Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.

FORM 144

No planned-sale notices

No insider has notified an intent to sell. This is the panel to watch after a run-up.

Fund concentration

N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show

VanEck Environmental Services ETF

$3.8M POSITION · AS OF 2026-03-31

4.1%

Bahl & Gaynor Small Cap Dividend ETF

$5.0M POSITION · AS OF 2026-03-31

3.7%

ABSOLUTE FLEXIBLE FUND

$1.0M POSITION · AS OF 2026-03-31

3.2%

VANGUARD GLOBAL ENVIRONMENTAL OPPORTUNITIES STOCK FUND

$4.0M POSITION · AS OF 2026-04-30

3.2%

Invesco Water Resources ETF

$66.9M POSITION · AS OF 2026-04-30

3.2%

BARRETT GROWTH FUND

$692.8K POSITION · AS OF 2026-03-31

3.2%

SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK

Government contracts

USASpending.gov · total award ceilings over the contract's life, including awards won through subsidiaries — not annual revenue

Department Of State

OFFICE OF WEAPONS REMOVAL AND ABATEMENT HAS A HUMANITARIAN DEMINING REQUEST FOR INTERNATIONAL ASSIST · 2022-09-30

$247.6M

Department Of Energy

LABOR PROGRAM MANAGEMENT/IT SUPPORT ENTERPRISE INFORMATION TECHNOLOGY SUPPORT SERVICES TO INCLUDE SO · 2019-09-17

$85.5M

Department Of Transportation

NAVTAC II CONTRACT SBAS TASK ORDER 22 · 2019-08-27

$74.9M

Department Of State

LAOS HUMANITARIAN MINE ACTION/UXO RESPONSE TASK ORDER WITH A BASE YR AND 4-OPTION YEARS. · 2023-11-05

$60.7M

Department Of Transportation

NAVTAC II LIGHTING SYSTEMS · 2017-11-28

$26.0M

Department Of Transportation

NAVTAC II CONTRACT NAS IMPLEMENTATION · 2017-11-28

$21.6M

FEDERAL AWARDS ≥ $25M IN THE LAST 90 DAYS · MATCHED VIA SAM.GOV PARENT REGISTRY

Executive pay vs shareholder return · Batrack

DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself

CEO TOTAL

ACTUALLY PAID

OTHER NEOs AVG

TSR

PEER TSR

2023

$11.9M

$16.0M

$2.6M

+70%

+73%

2022

$10.3M

$9.3M

$2.3M

+42%

+40%

2021

$7.9M

$18.5M

$2.1M

+67%

+25%

TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP

Fundamentals

Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all

	2025-09	2024-09	2023-10	2022-10
REVENUE	$5.4B	$5.2B	$4.5B	$3.5B
GROSS PROFIT	$961.3M	$866.4M	$725.0M	$575.6M
OPERATING INCOME	$408.4M	$500.7M	$358.1M	$340.4M
NET INCOME	$247.9M	$333.4M	$273.5M	$263.2M
EPS (DILUTED)	0.93	1.23	1.02	0.97
OPERATING CASH FLOW	$457.7M	$358.7M	$368.5M	$336.2M
CASH	$167.5M	$232.7M	$168.8M	$185.1M
LONG-TERM DEBT	$763.4M	$812.6M	$879.5M	$246.2M
BUYBACKS	$250.0M	$0	$0	$200.0M
DIVIDENDS PAID	$65.0M	$58.8M	$52.1M	$46.1M

SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-06 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE