Business Context and Reporting Period
This Form 8-K filing by Tetra Tech, Inc. (TTEK) reports a corporate governance event dated March 26, 2026. The Company is incorporated in Delaware and maintains its principal executive office in Pasadena, California.
Key Financial Metrics
This filing does not contain financial performance data such as revenue, profit, cash flow, margins, debt, or liquidity metrics. The document focuses exclusively on the appointment of a new director and associated compensation terms.
Material Changes
The primary material change reported is the expansion of the Board of Directors. The Board size will increase to eight members following the appointment of Eric W. Thornburg, effective March 30, 2026.
Management Commentary and Compensation Details
Mr. Thornburg, 65, brings extensive experience as a former CEO of H20 America (2017–2025) and Connecticut Water Service (2006–2017). He will serve on the Compensation Committee and the Nominating and Corporate Governance Committee. His compensation package includes:
- An annual retainer of $110,000.
- $2,000 per meeting attended, applicable only if the Board holds more than eight meetings in a year.
- An annual long-term equity award with a grant date fair value of $175,000, composed of 60% performance stock units and 40% restricted stock units, pro-rated for the service period.
Investor Verification Checklist
- Confirm the effective date of Mr. Thornburg's board seat (March 30, 2026).
- Review the attached press release (Exhibit 99.1) for additional biographical details or strategic rationale.
- Verify the pro-rata calculation method for the initial equity award in the Company's director compensation policy.
- Monitor future filings for the impact of the new board composition on committee decisions.