Welcome to our dedicated page for Tetra Tech SEC filings (Ticker: TTEK), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Tetra Tech Inc. filings document the reporting obligations of a Nasdaq-listed operating company whose common stock trades under the symbol TTEK. Recent 8-K reports cover quarterly operating results, financial-condition exhibits, dividend declarations, officer promotions, director appointments, and committee assignments tied to the company’s consulting and engineering business.
Proxy materials describe annual meeting procedures, stockholder voting matters, board governance and executive-compensation disclosures. The filing record also identifies the company’s common stock structure and supports formal disclosure of governance changes, results releases and other material events for its water, environment and sustainable infrastructure services.
Argus Roger R reported acquisition or exercise transactions in this Form 4 filing.
TETRA TECH INC President and CEO Roger R. Argus received a grant of 28,174 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Tetra Tech common stock. The RSUs vest 25% on February 19, 2027, and 25% annually thereafter until fully vested. They become exercisable upon vesting and do not have a set expiration date.
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 director Kirsten M. Volpi reported exercising a stock option and receiving additional common shares. On February 10, 2026, she exercised an option for 1,000 shares at an exercise price of $9.59 per share, converting it into 1,000 shares of common stock.
After this transaction, she directly holds 70,218 shares of Tetra Tech common stock and 8,000 stock options. The transaction is coded “M,” indicating an exercise or conversion of a derivative security rather than an open‑market purchase or sale.
Tetra Tech, Inc. executive vice president and chief financial officer Steven M. Burdick reported a charitable stock donation. On 02/06/2026, he made a bona fide gift of 11,100 shares of common stock, at a reported price of $0 per share. After this gift, he directly beneficially owns 138,251 shares of Tetra Tech common stock.
Tetra Tech, Inc. senior vice president and corporate controller Brian N. Carter reported an open-market sale of company stock. On February 4, 2026, he sold 9,979 shares of common stock at a weighted average price of $40.225 per share, executed in multiple trades within a narrow price range. After this transaction, he beneficially owns 46,496 shares of Tetra Tech common stock, held directly.
An affiliate of the issuer has filed a notice of proposed sale of 9,979 shares of common stock under Rule 144. The planned sale, through Morgan Stanley Smith Barney LLC Executive Financial Services, has an aggregate market value of $401,400.29 and is expected around February 4, 2026 on the NASDAQ. The shares to be sold were acquired from the issuer as performance shares on various dates in 2024 and 2025. The seller represents that they are not aware of any material adverse, nonpublic information about the issuer’s current or prospective operations.
Tetra Tech reported sharply higher profitability despite lower revenue in its first fiscal quarter of 2026. Revenue fell 14.8% to $1,210.7M, mainly from a 45.7% decline in U.S. federal government work as USAID programs were largely terminated, and lower U.S. disaster response activity.
Net income attributable to Tetra Tech jumped to $105.0M from $0.7M a year earlier, helped by the absence of a prior $115.0M legal contingency charge, a $7.7M gain on the Norway divestiture and a $7.4M favorable adjustment to contingent consideration. Diluted EPS was $0.40.
The company ended the quarter with $269.4M in cash, $834.3M of long-term debt and a consolidated leverage ratio of 1.24x. It repurchased $50.0M of stock, paid a quarterly dividend of $0.065 per share and reported remaining unsatisfied performance obligations of about $3.9B.
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 director Jeffrey R. Feeler received an award of 1,754 restricted stock units (RSUs) on January 26, 2026. Each RSU represents a contingent right to receive one share of Tetra Tech common stock at a price of $0 per unit.
The RSUs become exercisable for 100% of the shares on the first anniversary of the grant date, January 26, 2027. They are exercisable at the time of vesting and do not have a set expiration date, and are reported as directly owned by the director.
Tetra Tech director M. Susan Hardwick received an equity award in the form of restricted stock units. On 01/26/2026 she was granted 1,754 RSUs, each representing a right to receive one share of Tetra Tech common stock at a price of $0 per unit.
The RSUs vest and become exercisable as to 100% of the shares on the first anniversary of the grant date, 01/26/2027. They are exercisable at the time of vesting and do not have a set expiration date, and are reported as directly owned.