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.
Tetra Tech, Inc. reported insider equity transactions by Chairman and CEO Dan L. Batrack. On November 18, 2025, he exercised restricted stock units (RSUs) into 14,030 and 19,015 shares of common stock at $0 per share and acquired 164,285 additional shares from vesting of performance stock units under the 2018 Equity Incentive Plan. Shares totaling 18,235 and 90,653 were withheld at a price of $35.69 per share to cover related tax liabilities. After these transactions, he directly owned 314,309 shares of Tetra Tech common stock and 19,010 RSUs, which each represent the right to receive one share upon vesting.
Tetra Tech, Inc. (TTEK) reported an insider equity award for a company director. On 11/18/2025, the director acquired 4,104 shares of common stock at a price of $0, reflecting the vesting of performance stock units earned under the company’s 2018 Equity Incentive Plan. After this transaction, the director beneficially owns 14,835 shares of Tetra Tech common stock, held directly.
Tetra Tech, Inc. (TTEK) President and officer Roger R. Argus reported multiple equity transactions involving company common stock and restricted stock units on 11/18/2025. The filing shows the exercise of restricted stock units and performance stock units into common shares, along with shares withheld to cover related tax liabilities at a price of $35.69 per share. Following these transactions, Argus directly beneficially owned 37,565 shares of Tetra Tech common stock.
The report also updates prior beneficial ownership to include 149 shares acquired on December 15, 2024 under the company’s Employee Stock Purchase Plan. The restricted stock units generally represent the right to receive one share of common stock per unit, vest in 25% annual installments beginning in November 2022 or November 2023, and become exercisable upon vesting without a set expiration date.
Tetra Tech, Inc. (TTEK) reported an insider equity transaction by one of its directors. On 11/18/2025, the director acquired 3,643 shares of Tetra Tech common stock at a price of $0 per share. These shares were received through the vesting of performance stock units earned under the company’s 2018 Equity Incentive Plan, rather than through an open-market purchase. Following this transaction, the director beneficially owns 7,453 shares of Tetra Tech common stock, held directly.
Tetra Tech (TTEK) executive Leslie L. Shoemaker, EVP and Chief Sustainability Officer, reported multiple equity transactions on 11/18/2025. The filing shows the exercise of restricted stock units (RSUs) for 2,520 and 3,170 shares of common stock at $0 per share, reflecting previously granted awards. It also reports tax-withholding transactions, where 3,141 and 15,112 shares were withheld at a price of $35.69 to cover related tax liabilities.
In addition, 27,384 shares were acquired upon vesting of performance stock units earned under the 2018 Equity Incentive Plan. After these transactions, Shoemaker beneficially owned 322,811 shares of Tetra Tech common stock in direct ownership. The filing also notes an earlier acquisition of 149 shares through the Employee Stock Purchase Plan on December 15, 2024, and describes RSU vesting schedules that vest in 25% annual installments.
Tetra Tech (TTEK) executive reports equity award vesting and tax share withholdings. The EVP, Chief Legal/Human Capital filed a Form 4 showing multiple transactions in Tetra Tech common stock and restricted stock units on November 18, 2025.
Two blocks of restricted stock units were converted to common stock, covering 2,055 shares and 2,535 shares, each at an exercise price of $0. The filing also reports an acquisition of 21,902 shares of common stock from the vesting of performance stock units under the 2018 Equity Incentive Plan.
To satisfy related tax liabilities, the company withheld 1,807 shares and 8,620 shares at a price of $35.69 per share. After these transactions, the reporting person directly held 79,996 shares of Tetra Tech common stock. The footnotes clarify prior ESPP purchases and the vesting schedules of the RSU awards.
Tetra Tech, Inc. (TTEK) executive vice president and chief financial officer Steven M. Burdick reported multiple equity transactions on 11/18/2025. Restricted stock units and performance stock units vested, resulting in acquisitions of 2,520, 3,170, and 27,384 shares of common stock at an exercise price of $0 per share. To satisfy related tax liabilities, the company withheld 3,141 and 15,112 shares at a price of $35.69 per share. After these transactions, Burdick directly beneficially owns 145,936 shares of Tetra Tech common stock. The filing also notes a prior update for 149 shares acquired on December 15, 2024 under the employee stock purchase plan.
Tetra Tech, Inc. (TTEK) reported an insider equity transaction by a company director on Form 4. On 11/18/2025, the director acquired 4,104 shares of common stock at a price of $0 per share. These shares were received through the vesting of performance stock units earned under the company’s 2018 Equity Incentive Plan, meaning no cash purchase was involved. Following this vesting, the director beneficially owned 66,500 shares of Tetra Tech common stock in direct ownership.
Tetra Tech, Inc. (TTEK) filed its Annual Report on Form 10-K describing a global consulting and engineering business focused on water, environment and sustainable infrastructure. The company operates through two main segments, Government Services Group (GSG) and Commercial/International Services Group (CIG), which generated 49.1% and 52.3% of fiscal 2025 revenue, respectively, before a small inter-segment elimination.
Revenue is diversified across client sectors, with U.S. federal government at 31.6%, U.S. state and local government 14.5%, U.S. commercial 16.5% and international clients 37.4%. USAID and the U.S. Department of Defense accounted for 10.6% and 11.6% of revenue, respectively. Work is spread across fixed-price (43.5%), time-and-materials (42.6%) and cost-plus (13.9%) contracts, each with distinct risk profiles.
The company reported year-end 2025 backlog of $4.1 billion, with $1.98 billion in GSG and $2.22 billion in CIG, and estimates about 70% will convert to revenue in fiscal 2026. Recent growth initiatives include acquisitions in Europe and Australia and continued expansion of its proprietary Tetra Tech Delta analytics and AI-enabled technologies. As of November 7, 2025, there were 260,828,236 common shares outstanding, and non-affiliate market value was $7.6 billion as of March 30, 2025.
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.