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as of 03-24-2026 3:29pm EST

$31.68
+$0.46
+1.47%
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Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.

Founded: 1966 Country:
United States
United States
Employees: N/A City: PASADENA
Market Cap: 8.2B IPO Year: 1995
Target Price: $44.00 AVG Volume (30 days): 2.4M
Analyst Decision: Buy Number of Analysts: 3
Dividend Yield:
0.86%
Dividend Payout Frequency: semi-annual
EPS: 0.40 EPS Growth: -24.39
52 Week Low/High: $27.27 - $43.14 Next Earning Date: 05-06-2026
Revenue: $2,964,148,000 Revenue Growth: 7.66%
Revenue Growth (this year): -6.51% Revenue Growth (next year): 6.53%
P/E Ratio: 75.85 Index: N/A
Free Cash Flow: 439.1M FCF Growth: +44.47%

Stock Insider Trading Activity of Tetra Tech Inc. (TTEK)

CARTER BRIAN N

SVP, Corporate Controller

Sell
TTEK Feb 4, 2026

Avg Cost/Share

$40.23

Shares

9,979

Total Value

$401,405.28

Owned After

46,496

SEC Form 4

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Jan 28, 2026 · 100% conf.

AI Prediction BUY

1D

+8.02%

$40.08

Act: +3.02%

5D

+8.12%

$40.11

Act: +9.70%

20D

+8.21%

$40.15

Act: -4.26%

Price: $37.10 Prob +5D: 100% AUC: 1.000
0001104659-26-007481

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0000831641

2026-01-28 2026-01-28

iso4217:USD

xbrli:shares

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xbrli:shares

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

January 28, 2026

TETRA

TECH, INC.

(Exact name of registrant as specified in its charter)

Delaware

0-19655

95-4148514

(State or other jurisdiction of incorporation)

(Commission

File Number)

(IRS Employer

Identification Number)

3475 East Foothill Boulevard, Pasadena, California 91107

(Address of principal executive office, including zip code)

(626) 351-4664

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

TTEK

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 2.02. Results of Operations and Financial Condition.

On January 28, 2026, Tetra Tech, Inc. (“Tetra Tech”) reported its financial results for the first fiscal quarter ended December 28, 2025. A copy of the press release is attached to this report as Exhibit 99.1.

Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

Item 8.01. Other Events.

On January 28, 2026, Tetra Tech announced that its Board of Directors has declared a $0.065 per share quarterly cash dividend. The dividend is payable on February 27, 2026 to stockholders of record as of the close of business on February 12, 2026.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

99.1 Press Release, dated January 28, 2026, reporting the financial results for Tetra Tech’s first fiscal quarter ended December 28, 2025, and the declaration of a quarterly cash dividend.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Tetra Tech has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TETRA TECH, INC.

Date: January 28, 2026 By: /s/ DAN L. BATRACK

Dan L. Batrack

Chairman and Chief Executive Officer

3

2025
Q3

Q3 2025 Earnings

8-K

Nov 12, 2025

0001104659-25-110537

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0000831641

2025-11-12 2025-11-12

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xbrli:shares

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

November 12, 2025

TETRA

TECH, INC.

(Exact name of registrant as specified in its charter)

Delaware

0-19655

95-4148514

(State or other jurisdiction of incorporation)

(Commission

File Number)

(IRS Employer

Identification Number)

3475 East Foothill Boulevard, Pasadena, California 91107

(Address of principal executive office, including zip code)

(626) 351-4664

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

TTEK

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 2.02.Results of Operations and Financial Condition.

On November 12, 2025, Tetra Tech, Inc. (“Tetra Tech”) reported its financial results for the fourth fiscal quarter ended September 28, 2025. A copy of the press release is attached to this report as Exhibit 99.1.

Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

Item 8.01.Other Events.

On November 12, 2025, Tetra Tech announced that its Board of Directors has declared a $0.065 per share quarterly cash dividend. The dividend is payable on December 12, 2025 to stockholders of record as of the close of business on December 1, 2025.

Item 9.01.Financial Statements and Exhibits.

(d)  Exhibits

99.1Press Release, dated November 12, 2025, reporting the financial results for Tetra Tech’s fourth fiscal quarter ended September 28, 2025, and the declaration of a quarterly cash dividend.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Tetra Tech has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TETRA TECH, INC.

Date:November 12, 2025 By: /s/

DAN L. BATRACK

Dan L. Batrack

Chairman and Chief Executive Officer

3

2025
Q2

Q2 2025 Earnings

8-K

Jul 30, 2025

0001104659-25-072237

false 0000831641

0000831641

2025-07-30 2025-07-30

iso4217:USD

xbrli:shares

iso4217:USD

xbrli:shares

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

July 30, 2025

TETRA

TECH, INC.

(Exact name of registrant as specified in its charter)

Delaware

0-19655

95-4148514

(State or other jurisdiction of incorporation)

(Commission

File Number)

(IRS Employer

Identification Number)

3475 East Foothill Boulevard, Pasadena, California 91107

(Address of principal executive office, including zip code)

(626) 351-4664

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading symbol(s)

Name of each exchange on which registered

Common Stock, $0.01 par value

TTEK

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Item 2.02.Results of Operations and Financial Condition.

On July 30, 2025, Tetra Tech, Inc. (“Tetra Tech”) reported its financial results for the third fiscal quarter ended June 29, 2025. A copy of the press release is attached to this report as Exhibit 99.1.

Exhibit 99.1 attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

Item 8.01.Other Events.

On July 30, 2025, Tetra Tech announced that its Board of Directors has declared a $0.065 per share quarterly cash dividend. The dividend is payable on August 29, 2025 to stockholders of record as of the close of business on August 15, 2025.

Item 9.01.Financial Statements and Exhibits.

(d) Exhibits

99.1Press Release, dated July 30, 2025, reporting the financial results for Tetra Tech’s third fiscal quarter ended June 29, 2025, and the declaration of a quarterly cash dividend.

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Tetra Tech has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TETRA TECH, INC.

Date: July 30, 2025 By: /s/ DAN L. BATRACK

Dan L. Batrack

Chairman and Chief Executive Officer

3

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