Form 4: Tetra Tech SVP Controller Reports Share Vesting & Tax Withholding

Tetra Tech's SVP, Corporate Controller, Brian N. Carter, reported the vesting of restricted stock units and performance stock units, alongside associated tax withholdings, increasing his direct beneficial ownership.

Summary

• Brian N. Carter, SVP, Corporate Controller of Tetra Tech Inc. (TTEK), reported multiple transactions involving company common stock and derivative securities.
• On November 18, 2025, Mr. Carter acquired 995 shares and 1,265 shares of common stock through the vesting of Restricted Stock Units (RSUs).
• Also on November 18, 2025, he acquired 10,954 shares of common stock from the vesting of Performance Stock Units (PSUs) earned under the 2018 Equity Incentive Plan.
• To cover tax liabilities on the vested RSUs and PSUs on November 18, 2025, a total of 1,234 shares (at $35.69/share) and 5,977 shares (at $35.69/share) were disposed of, respectively.
• On November 19, 2025, Mr. Carter was granted 5,612 new Restricted Stock Units, which will begin vesting on November 30, 2026.
• On November 30, 2025, he acquired 1,520 shares and 1,228 shares of common stock through the vesting of additional RSUs.
• To cover tax liabilities on the vested RSUs on November 30, 2025, 1,500 shares (at $34.74/share) were disposed of.
• Following these transactions, Mr. Carter's direct beneficial ownership of Tetra Tech common stock increased to 56,475 shares.

Sentiment

Score: 6

Explanation: The sentiment is slightly positive as a key executive is receiving significant equity compensation through vesting, indicating continued alignment with company performance and retention. While shares were disposed for tax, this is a standard and expected part of equity compensation.

Positives

• Significant vesting of Restricted Stock Units (RSUs) and Performance Stock Units (PSUs) demonstrates continued compensation and retention of a key executive.
• Acquisition of 10,954 shares from Performance Stock Units indicates achievement of performance targets.
• A new grant of 5,612 Restricted Stock Units on November 19, 2025, further aligns the executive's interests with long-term shareholder value.
• The executive's direct beneficial ownership of common stock increased from an inferred 49,224 shares to 56,475 shares after all reported transactions.

Negatives

• A total of 8,711 shares were disposed of (7,211 shares on 11/18/2025 and 1,500 shares on 11/30/2025) to cover tax liabilities associated with the vesting of equity awards.

Future Outlook

The reporting person has future Restricted Stock Units (RSUs) that will vest annually, with a new grant of 5,612 RSUs beginning to vest on November 30, 2026, and 25% annually thereafter.

Industry Context

This Form 4 filing is specific to an individual executive's equity compensation and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders: The vesting and subsequent tax-related dispositions result in a minor increase in the outstanding share count, but the overall impact is minimal. The executive's increased beneficial ownership aligns their interests with long-term shareholder value.
• Employees: This filing highlights the company's equity incentive plans, which can be a positive for employee morale and retention, especially for key executives.

Next Steps

• Future tranches of existing Restricted Stock Units (RSUs) will continue to vest annually according to their respective schedules.
• The newly granted 5,612 Restricted Stock Units will begin vesting on November 30, 2026, at 25% annually.

Key Dates

Keywords

Tetra Tech, TTEK, Form 4, Insider Trading, Restricted Stock Units, Performance Stock Units, Equity Incentive Plan, Executive Compensation, Share Vesting, Tax Withholding, Beneficial Ownership