Form 4: Tetra Tech EVP Shoemaker Reports Stock Transactions

Tetra Tech's EVP, Chief Sustainability, Leslie L. Shoemaker, reported multiple transactions involving common stock and restricted stock units on November 18, 2025, including acquisitions through vesting and disposals for tax purposes.

Summary

• Leslie L. Shoemaker, EVP, Chief Sustainability of Tetra Tech Inc. (TTEK), reported several transactions on November 18, 2025.
• Acquired 2,520 shares of common stock upon the vesting of Restricted Stock Units (RSUs) at a price of $0.
• Acquired an additional 3,170 shares of common stock upon the vesting of Restricted Stock Units (RSUs) at a price of $0.
• Disposed of 3,141 shares of common stock at a price of $35.69 to cover tax liabilities associated with the vesting of RSUs.
• Acquired 27,384 shares of common stock through the vesting of performance stock units earned under the 2018 Equity Incentive Plan at a price of $0.
• Disposed of 15,112 shares of common stock at a price of $35.69 to cover tax liabilities related to the vesting of performance stock units.
• Beneficial ownership of common stock increased from an initial reported 310,510 shares (after accounting for an ESPP acquisition) to 322,811 shares following all reported transactions.
• An update noted the acquisition of 149 shares of common stock on December 15, 2024, through the Tetra Tech, Inc. Employee Stock Purchase Plan (ESPP).

Sentiment

Score: 7

Explanation: The filing indicates a net increase in the EVP's beneficial ownership of common stock, primarily due to the vesting of performance stock units and restricted stock units, which is a positive sign of executive alignment with shareholder interests and achievement of performance targets. The disposals were for tax purposes, a routine event.

Positives

• EVP Leslie L. Shoemaker increased direct beneficial ownership of common stock from 310,510 to 322,811 shares after all reported transactions, demonstrating continued alignment with shareholder interests.
• The acquisition of 27,384 shares through the vesting of performance stock units indicates the successful achievement of performance targets by the executive.
• The acquisition of 149 shares via the Employee Stock Purchase Plan (ESPP) on December 15, 2024, highlights ongoing employee investment in the company.

Negatives

• Disposal of 3,141 shares and 15,112 shares of common stock occurred to cover tax liabilities related to the vesting of equity awards, which is a routine reduction in net shares received.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: The net increase in executive beneficial ownership reinforces alignment of management's interests with those of shareholders.
• Employees: The acquisition of shares through the Employee Stock Purchase Plan highlights ongoing employee participation in company ownership.

Key Dates

Recommendation

This Form 4 details routine insider transactions related to executive compensation, specifically the vesting of restricted stock units and performance stock units, and subsequent share disposals to cover tax liabilities. While there's a net increase in the executive's beneficial ownership, these are expected events and do not provide new material information that would warrant a change in investment recommendation. The filing reinforces executive alignment through equity ownership but does not signal a fundamental shift in the company's prospects.

Keywords

TTEK, Tetra Tech, Form 4, Insider Trading, Executive Compensation, Restricted Stock Units, Performance Stock Units, Equity Incentive Plan, Employee Stock Purchase Plan