secwatch / observer
TTEK TETRA TECH INC
CIK 0000831641 50 ready 8-Ks latest April 29, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing April 29, 2026, 7:59 PM ET
Top materiality 0.90
Event mix earnings ×20 · leadership ×11 · m_and_a ×7
Sentiment 25 pos · 1 neg · 24 neu
Latest earnings reported 2026-Q2
Executive change recent →

Recent 8-K filings for TTEK

Executive changes

Departed

John Douglas

Director
TTEK · TETRA TECH INC
Effective
2025-02-27
Filed
February 28, 2025, 6:59 PM ET
John Douglas notified Tetra Tech, Inc. (the “Company”) of his decision to retire as a member of the Board of Directors, effective upon the completion of his term on February 27, 2025.
Departed

Joanne M. Maguire

Director
TTEK · TETRA TECH INC
Effective
2024-09-30
Filed
August 2, 2024, 7:59 PM ET
Joanne M. Maguire notified the Company on July 29, 2024 of her decision to retire as a member of the Board, effective September 30, 2024
Appointed

John M. Douglas

Director
TTEK · TETRA TECH INC
Effective
2024-09-30
Filed
August 2, 2024, 7:59 PM ET
John M. Douglas has been appointed to the Board of Directors of the Company (the “Board”), effective September 30, 2024
Departed

Jill Hudkins

President
TTEK · TETRA TECH INC
Effective
2024-05-31
Filed
May 24, 2024, 7:59 PM ET
On May 21, 2024, Jill Hudkins, President of Tetra Tech, Inc. (the “Company”), notified the Company that she will resign from the Company, effective May 31, 2024, in order to pursue other opportunities.
Departed

Derek Amidon

Senior Vice President, President, Commercial/International Services Group and President, Energy Engineering Division
TTEK · TETRA TECH INC
Effective
2023-05-12
Filed
May 8, 2023, 7:59 PM ET
On May 2, 2023, Derek Amidon, Senior Vice President, President, Commercial/International Services Group and President, Energy Engineering Division, notified Tetra Tech, Inc. of his resignation, effective May 12, 2023.
Appointed

Christiana Obiaya

Director
TTEK · TETRA TECH INC
Effective
2023-01-02
Filed
November 15, 2022, 6:59 PM ET
Christiana Obiaya has been appointed to the Board of Directors of the Company (the “Board”), effective January 2, 2023
Role change

Jill M. Hudkins

President
TTEK · TETRA TECH INC
Effective
2022-10-03
Filed
August 2, 2022, 7:59 PM ET
Effective October 3, 2022, Jill M. Hudkins, President, Resilient and Sustainable Infrastructure Division of Tetra Tech, Inc. (“Tetra Tech”), has been promoted to serve as Tetra Tech’s President, reporting to Dan L. Batrack, Chairman and Chief Executive Officer.
Role change

Leslie L. Shoemaker

Chief Sustainability and Leadership Development Officer
TTEK · TETRA TECH INC
Effective
2022-10-03
Filed
August 2, 2022, 7:59 PM ET
Dr. Leslie L. Shoemaker, Tetra Tech’s current President, will transition to Chief Sustainability and Leadership Development Officer.
Appointed

Prashant Gandhi

Director
TTEK · TETRA TECH INC
Effective
2022-05-01
Filed
February 22, 2022, 6:59 PM ET
Prashant Gandhi has been appointed to the Board of Directors of the Company (the “Board”), effective May 1, 2022

Earnings & guidance

2026-Q2 EPS reported $0.76 filing →

Materiality & sentiment trend

Max materiality 0.90 · Median 0.75 · Most common event earnings

25 positive 1 negative 24 neutral

source · TTEK on sec.gov