Eric W. Thornburg
President & CEO at H2O America
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 5 years
- Director since
- 2023
5 years of board service in total across 2 boards, counting each seat separately. Longest: H2O America, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
H2O America May 14, 202588.3%
-
H2O America June 20, 202495.9%
-
H2O America April 26, 202396.4%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Feb 28, 2025 | H2O America | Grant or award | +12,471 | — | — |
| Feb 28, 2025 | H2O America | Shares withheld for tax | −4,503 | $52.67 | $237,173 |
| Jan 3, 2025 | H2O America | Shares withheld for tax | −1,668 | $48.27 | $80,514 |
| Jan 2, 2025 | H2O America | Grant or award | +11,058 | — | — |
| Jan 2, 2025 | H2O America | Shares withheld for tax | −1,155 | $48.70 | $56,249 |
| Feb 29, 2024 | H2O America | Grant or award | +13,403 | — | — |
| Feb 29, 2024 | H2O America | Shares withheld for tax | −6,792 | $55.06 | $373,968 |
| Jan 4, 2024 | H2O America | Shares withheld for tax | −726 | $64.37 | $46,733 |
| Jan 3, 2024 | H2O America | Shares withheld for tax | −1,758 | $64.78 | $113,883 |
| Jan 2, 2024 | H2O America | Grant or award | +8,436 | — | — |
| Feb 28, 2023 | H2O America | Shares withheld for tax | −2,667 | $76.44 | $203,865 |
| Feb 23, 2023 | H2O America | Grant or award | +7,716 | — | — |
| Jan 31, 2023 | H2O America | Other | +253 | $65.80 | $16,647 |
| Jan 4, 2023 | H2O America | Shares withheld for tax | −704 | $83.35 | $58,678 |
| Jan 3, 2023 | H2O America | Grant or award | +6,486 | — | — |
Questions about Eric W. Thornburg
What boards is Eric W. Thornburg on?
Eric W. Thornburg sits on the boards of H2O America and Tetra Tech Inc.
What company is Eric W. Thornburg the CEO of?
Eric W. Thornburg is President & CEO of H2O America.
How long has Eric W. Thornburg served on boards?
Our records show at least 5 years of board service across 2 boards, the earliest from 2023.
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