Every 8-K that Tetra Tech Inc (TTEK) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow TTEK and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full TTEK filings page.
TETRA TECH, INC. (TTEK) reported that its Board of Directors approved a $500 million increase to its share repurchase authorization. This more than doubles the capital remaining under its program at the end of the third quarter of fiscal 2026, raising total available repurchases to $898 million.
Over the twelve months ended the third quarter of fiscal 2026, the company generated $567 million in cash flow from operations and returned $322 million to shareholders through buybacks and dividends, while also completing strategic acquisitions. Tetra Tech stated that strong cash generation allowed continued balance-sheet deleveraging, with a net debt leverage ratio of 0.88x at the end of the quarter.
Chief Executive Officer Roger Argus said the expanded repurchase authorization reflects confidence in Tetra Tech’s long-term growth outlook and its balanced capital allocation, supporting ongoing investment in organic initiatives and acquisitions alongside increased capacity to return capital to shareholders.
Tetra Tech, Inc. reported third-quarter 2026 results with revenue of $1.31 billion and net revenue of $1.11 billion. Net revenue increased 8% year-over-year excluding USAID / DOS and episodic disaster response. Operating income was $158 million, EBITDA was $173 million, and EPS was $0.42. Backlog reached $4.49 billion, up 5% sequentially, supported by new data center and sediment restoration orders.
Cash from operations was $229 million in the quarter and $567 million over the trailing twelve months. For the first nine months of fiscal 2026, revenue was $3.74 billion, net revenue $3.20 billion, operating income $430 million, adjusted EBITDA $466 million, EPS $1.18, and net income attributable to Tetra Tech $308.2 million. Management highlighted $467 million of operating cash flow through three quarters as its strongest cash flow on record, funding acquisitions and share repurchases.
The Board declared a $0.072 per share quarterly dividend, an 11% year-over-year increase and the 45th consecutive double-digit raise, payable August 27, 2026 to holders of record August 13, 2026. Tetra Tech repurchased $100 million of stock in the quarter and had $398 million remaining under its authorization. For fourth-quarter 2026, it expects net revenue of $1.12–$1.17 billion and EPS of $0.45–$0.48, and it raised fiscal 2026 adjusted EPS guidance to $1.56–$1.59 with net revenue of $4.315–$4.365 billion.
Tetra Tech reported second-quarter 2026 results with revenue of $1.22 billion and net revenue of $1.05 billion. Operating income was $132 million, EBITDA was $146 million, and EPS was $0.36 with adjusted EPS of $0.34. Backlog reached $4.28 billion, up 8% sequentially.
Cash from operations was $165 million in the quarter and $688 million over the last twelve months. For fiscal 2026, the company raised net revenue guidance to $4.25–$4.40 billion and adjusted EPS guidance to $1.50–$1.58. The Board declared a $0.072 quarterly dividend, up 11% year-over-year, and the company repurchased $50 million of stock, with $498 million remaining under its repurchase program.
Tetra Tech, Inc. announced that Eric W. Thornburg has been appointed to its Board of Directors, effective March 30, 2026, to serve until the next annual stockholder meeting or until a successor is chosen and qualified. The Board will then have eight members.
Thornburg, a 40-year water industry veteran and former CEO and Chair of H20 America and Connecticut Water Service, will serve on the Compensation Committee and the Nominating and Corporate Governance Committee. As a non-employee director he will receive a $110,000 annual cash retainer, $2,000 per meeting above eight annually, and an annual long‑term equity award valued at $175,000, split between performance and restricted stock units and prorated for his initial service period.
Tetra Tech, Inc. reported results of its annual stockholder meeting and a board change. The Board of Directors appointed newly promoted Chief Executive Officer Roger R. Argus as a director, effective immediately, bringing the Board to seven members; he will not serve on any board committees.
Stockholders elected six directors, each receiving strong majority support. They also approved an advisory resolution on named executive officer compensation and an amendment to the Employee Stock Purchase Plan. In addition, stockholders ratified the appointment of PricewaterhouseCoopers LLP as Tetra Tech’s independent registered public accounting firm for fiscal 2026.
Tetra Tech, Inc. filed a current report stating that it has reported financial results for its first fiscal quarter ended December 28, 2025, via a press release attached as Exhibit 99.1.
The company also announced that its Board of Directors declared a $0.065 per share quarterly cash dividend, payable on February 27, 2026 to stockholders of record as of the close of business on February 12, 2026.
Tetra Tech, Inc. appointed Roger R. Argus as its new President, effective October 7, 2025. He will report to Dan L. Batrack, who continues as Chairman and Chief Executive Officer, and will oversee the company’s global operations, working with senior leadership and operational teams to support performance and strategic growth.
Mr. Argus has been with Tetra Tech for more than 30 years in increasingly senior roles, including Executive Vice President, Corporate Development and President of the Commercial/International Services Group, as well as prior leadership positions in the Government Services Group and U.S. Government Division. The company also issued a press release on October 7, 2025 describing this leadership change.