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TETRA TECH INC

TTEK Clue Score55
United States Fiscal year ends September CIK 0000831641
$33.34 -0.21% Close, 9 Oct 2026

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
33.34 on 9 Oct 2026
43 34 26 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $34.57 14 Oct 2025 $33.32 15 Oct 2025 $32.50 16 Oct 2025 $32.80 17 Oct 2025 $32.69 20 Oct 2025 $33.38 21 Oct 2025 $33.96 22 Oct 2025 $33.05 23 Oct 2025 $33.76 24 Oct 2025 $33.78 27 Oct 2025 $33.48 28 Oct 2025 $32.58 29 Oct 2025 $31.85 30 Oct 2025 $32.18 31 Oct 2025 $31.98 3 Nov 2025 $31.86 4 Nov 2025 $32.09 5 Nov 2025 $32.58 6 Nov 2025 $31.93 7 Nov 2025 $32.22 10 Nov 2025 $32.07 11 Nov 2025 $31.99 12 Nov 2025 $32.45 13 Nov 2025 $37.41 14 Nov 2025 $36.21 17 Nov 2025 $35.69 18 Nov 2025 $35.64 19 Nov 2025 $35.35 20 Nov 2025 $35.19 21 Nov 2025 $33.05 24 Nov 2025 $32.70 25 Nov 2025 $34.12 26 Nov 2025 $34.78 28 Nov 2025 $34.74 1 Dec 2025 $34.48 2 Dec 2025 $34.60 3 Dec 2025 $34.74 4 Dec 2025 $35.36 5 Dec 2025 $34.14 8 Dec 2025 $33.58 9 Dec 2025 $33.74 10 Dec 2025 $33.90 11 Dec 2025 $34.75 12 Dec 2025 $34.56 15 Dec 2025 $34.44 16 Dec 2025 $34.15 17 Dec 2025 $34.54 18 Dec 2025 $34.51 19 Dec 2025 $34.45 22 Dec 2025 $34.44 23 Dec 2025 $34.41 24 Dec 2025 $34.18 26 Dec 2025 $34.03 29 Dec 2025 $34.11 30 Dec 2025 $33.97 31 Dec 2025 $33.54 2 Jan 2026 $33.65 5 Jan 2026 $34.93 6 Jan 2026 $34.77 7 Jan 2026 $33.78 8 Jan 2026 $35.50 9 Jan 2026 $36.33 12 Jan 2026 $35.85 13 Jan 2026 $36.37 14 Jan 2026 $36.43 15 Jan 2026 $37.17 16 Jan 2026 $37.27 20 Jan 2026 $36.01 21 Jan 2026 $36.70 22 Jan 2026 $37.15 23 Jan 2026 $36.97 26 Jan 2026 $36.68 27 Jan 2026 $37.33 28 Jan 2026 $37.10 29 Jan 2026 $38.22 30 Jan 2026 $37.66 2 Feb 2026 $37.63 3 Feb 2026 $39.02 4 Feb 2026 $40.72 5 Feb 2026 $40.70 6 Feb 2026 $41.29 9 Feb 2026 $42.09 10 Feb 2026 $42.61 11 Feb 2026 $40.42 12 Feb 2026 $35.66 13 Feb 2026 $36.70 17 Feb 2026 $35.53 18 Feb 2026 $36.96 19 Feb 2026 $37.16 20 Feb 2026 $36.32 23 Feb 2026 $33.54 24 Feb 2026 $32.88 25 Feb 2026 $33.42 26 Feb 2026 $35.52 27 Feb 2026 $35.84 2 Mar 2026 $36.02 3 Mar 2026 $36.45 4 Mar 2026 $36.16 5 Mar 2026 $35.14 6 Mar 2026 $34.87 9 Mar 2026 $35.14 10 Mar 2026 $33.56 11 Mar 2026 $33.78 12 Mar 2026 $33.18 13 Mar 2026 $32.18 16 Mar 2026 $31.42 17 Mar 2026 $31.77 18 Mar 2026 $30.78 19 Mar 2026 $30.91 20 Mar 2026 $30.40 23 Mar 2026 $31.22 24 Mar 2026 $31.66 25 Mar 2026 $31.61 26 Mar 2026 $30.41 27 Mar 2026 $29.78 30 Mar 2026 $29.76 31 Mar 2026 $30.12 1 Apr 2026 $30.73 2 Apr 2026 $31.07 6 Apr 2026 $31.19 7 Apr 2026 $30.91 8 Apr 2026 $30.94 9 Apr 2026 $30.85 10 Apr 2026 $30.19 13 Apr 2026 $31.04 14 Apr 2026 $31.39 15 Apr 2026 $31.66 16 Apr 2026 $31.63 17 Apr 2026 $31.61 20 Apr 2026 $31.73 21 Apr 2026 $31.69 22 Apr 2026 $31.47 23 Apr 2026 $31.33 24 Apr 2026 $31.24 27 Apr 2026 $31.55 28 Apr 2026 $31.38 29 Apr 2026 $31.87 30 Apr 2026 $32.32 1 May 2026 $31.67 4 May 2026 $31.67 5 May 2026 $31.65 6 May 2026 $31.02 7 May 2026 $30.69 8 May 2026 $30.29 11 May 2026 $29.59 12 May 2026 $28.71 13 May 2026 $27.06 14 May 2026 $26.20 15 May 2026 $26.18 18 May 2026 $27.27 19 May 2026 $27.24 20 May 2026 $27.43 21 May 2026 $27.25 22 May 2026 $27.65 26 May 2026 $27.73 27 May 2026 $27.92 28 May 2026 $27.70 29 May 2026 $27.49 1 Jun 2026 $28.30 2 Jun 2026 $27.13 3 Jun 2026 $27.80 4 Jun 2026 $27.97 5 Jun 2026 $27.90 8 Jun 2026 $27.59 9 Jun 2026 $28.01 10 Jun 2026 $27.15 11 Jun 2026 $27.92 12 Jun 2026 $28.43 15 Jun 2026 $28.00 16 Jun 2026 $28.37 17 Jun 2026 $28.12 18 Jun 2026 $27.36 22 Jun 2026 $27.15 23 Jun 2026 $28.04 24 Jun 2026 $28.58 25 Jun 2026 $28.44 26 Jun 2026 $29.26 29 Jun 2026 $28.88 30 Jun 2026 $28.89 1 Jul 2026 $29.18 2 Jul 2026 $29.90 6 Jul 2026 $31.15 7 Jul 2026 $30.93 8 Jul 2026 $30.79 9 Jul 2026 $30.94 10 Jul 2026 $30.99 13 Jul 2026 $31.17 14 Jul 2026 $31.11 15 Jul 2026 $31.33 16 Jul 2026 $32.03 17 Jul 2026 $31.59 20 Jul 2026 $31.27 21 Jul 2026 $30.51 22 Jul 2026 $30.98 23 Jul 2026 $30.57 24 Jul 2026 $31.71 27 Jul 2026 $31.89 28 Jul 2026 $33.51 29 Jul 2026 $33.78 30 Jul 2026 $32.45 31 Jul 2026 $33.16 3 Aug 2026 $33.83 4 Aug 2026 $35.03 5 Aug 2026 $34.29 6 Aug 2026 $34.73 7 Aug 2026 $35.44 10 Aug 2026 $35.04 11 Aug 2026 $35.38 12 Aug 2026 $35.50 13 Aug 2026 $36.43 14 Aug 2026 $36.51 17 Aug 2026 $35.82 18 Aug 2026 $35.40 19 Aug 2026 $36.60 20 Aug 2026 $36.57 21 Aug 2026 $37.00 24 Aug 2026 $36.86 25 Aug 2026 $36.79 26 Aug 2026 $36.59 27 Aug 2026 $36.64 28 Aug 2026 $36.54 31 Aug 2026 $36.14 1 Sep 2026 $35.74 2 Sep 2026 $35.91 3 Sep 2026 $36.29 4 Sep 2026 $35.91 8 Sep 2026 $35.64 9 Sep 2026 $35.51 10 Sep 2026 $35.71 11 Sep 2026 $36.49 14 Sep 2026 $36.71 15 Sep 2026 $36.72 16 Sep 2026 $36.47 17 Sep 2026 $36.11 18 Sep 2026 $35.69 21 Sep 2026 $35.96 22 Sep 2026 $35.46 23 Sep 2026 $34.90 24 Sep 2026 $33.64 25 Sep 2026 $33.91 28 Sep 2026 $33.89 29 Sep 2026 $33.70 30 Sep 2026 $32.95 1 Oct 2026 $33.72 2 Oct 2026 $33.12 5 Oct 2026 $33.33 6 Oct 2026 $33.38 7 Oct 2026 $32.72 8 Oct 2026 $33.41 9 Oct 2026 $33.34 CARTER BRIAN N SVP, Corporate Controller Sold at will $401.41K 4 Feb 2026 · at $40.23 · 17.7% of stake Feeler Jeffrey R Director Bought $50.18K 15 May 2026 · at $26.41
1 buy1 sale at will0 planned sales

Key numbers

Fiscal year 2025, ended 28 Sep 2025, as filed
Revenue
$5.44B
Net income
$247.95M
Free cash flow
$439.05M
Gross margin
17.7%
Operating margin
7.5%
Net margin
4.6%
Return on equity
13.9%
Return on capital
9.6%
Debt to equity
0.57
Revenue growth, 1 yr
4.7%
Revenue growth, 5 yr
12.7% a year
EPS growth, 1 yr
-24.4%

Revenue and profit

Fiscal years, as filed with the SEC · point at a year for the detail
Full statements →
3B 174M FY20 Fiscal year 2020 Revenue $2.99B Net income $173.89M Margin 5.8% 3.2B 233M FY21 Fiscal year 2021 Revenue $3.21B Net income $232.83M Margin 7.2% · growth +7.3% 3.5B 263M FY22 Fiscal year 2022 Revenue $3.50B Net income $263.16M Margin 7.5% · growth +9.0% 4.5B 273M FY23 Fiscal year 2023 Revenue $4.52B Net income $273.45M Margin 6.0% · growth +29.1% 5.2B 333M FY24 Fiscal year 2024 Revenue $5.20B Net income $333.44M Margin 6.4% · growth +15.0% 5.4B 248M FY25 Fiscal year 2025 Revenue $5.44B Net income $247.95M Margin 4.6% · growth +4.7%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
15 May 2026 Feeler Jeffrey R
Director
Bought $50.18K opened
4 Feb 2026 CARTER BRIAN N
SVP, Corporate Controller
Sold at will $401.41K 17.7%
14 Aug 2025 Birkenbeuel Gary
Director
Sold at will $86.05K 6.0%
4 Feb 2025 Volpi Kirsten M
Director
Sold at will $347.31K 14.4%
11 Sep 2024 BURDICK STEVEN M
EVP, CFO
Sold at will $1.72M 24.6%
11 Sep 2024 Ritrievi Kimberly E
Director
Sold at will $302.12K 4.3%