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
- 4 years
- Director since
- 2023
4 years of board service in total across 2 boards, counting each seat separately. Longest: H2O America, 3 years.
H2O America
Director · President & CEO
Tetra Tech Inc.
Director
Chief executive roles
H2O America
· President & CEO
Dates unknown
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 | — | — |
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