Form 4: TETRA TECH Director Acquires 46,851 Shares via Vesting

Kimberly E. Ritrievi, a Director at Tetra Tech Inc., acquired 46,851 shares of common stock through the vesting of restricted stock units and performance stock units.

Summary

• Kimberly E. Ritrievi, a Director at Tetra Tech Inc. (TTEK), acquired a total of 46,851 shares of common stock on March 16, 2026.
• This acquisition resulted from the vesting of various Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
• 25,883 shares were acquired from the vesting of PSUs earned under the 2018 Equity Incentive Plan, which were deferred and settled upon retirement.
• The remaining 20,968 shares were acquired from the vesting of RSUs, which represent a contingent right to receive common stock.
• The transactions were reported with a price of $0, typical for equity award vestings.
• Following these transactions, Ms. Ritrievi directly beneficially owns 192,259 shares of Tetra Tech common stock.
• Previous RSU balances were updated on September 6, 2024, due to a 5-to-1 forward stock split.

Sentiment

Score: 7

Explanation: StockSavvy.ai views this as a moderately positive signal, as a director increasing their direct ownership through vesting aligns their interests with shareholders, although it's a routine compensation event rather than an open market purchase.

Positives

• Increased direct beneficial ownership by a director, signaling continued alignment with shareholder interests.
• Vesting of equity awards indicates the achievement of performance milestones or service periods.

Future Outlook

No specific forward-looking statements or guidance were provided in this filing.

Industry Context

StockSavvy.ai notes that insider acquisitions through equity vesting are a common occurrence in publicly traded companies, reflecting the compensation structure for directors and executives. This particular filing indicates a director's continued accumulation of shares, which is generally viewed positively as it aligns their interests with long-term shareholder value.

Stakeholder Impact

• Shareholders: Increased alignment of director's interests with long-term shareholder value due to increased ownership.
• Employees: Reflects standard executive compensation practices, potentially reinforcing confidence in the company's compensation structure.

Key Dates

Recommendation

The filing reports a routine insider transaction involving the vesting of equity awards for a director. While an increase in insider ownership is generally positive for alignment, it does not represent a discretionary open market purchase or sale that would typically warrant a change in investment recommendation. The information provided does not introduce new fundamental data to alter the investment thesis for Tetra Tech Inc.

Keywords

TETRA TECH, TTEK, Kimberly E. Ritrievi, Form 4, Insider Transaction, Stock Vesting, Restricted Stock Units, Performance Stock Units, Director Ownership, Equity Incentive Plan