Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Kirby Corporation, 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Tetra Technologies Inc. May 22, 202699.7%
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Kirby Corporation April 29, 202598.0%
-
Tetra Technologies Inc. May 21, 202493.1%
-
Tetra Technologies Inc. May 24, 202396.9%
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 |
|---|---|---|---|---|---|
| May 4, 2026 | Kirby Corporation | Grant or award | +1,392 | — | — |
| May 5, 2025 | Kirby Corporation | Grant or award | +1,923 | — | — |
| May 24, 2024 | Tetra Technologies Inc. | Option exercise | +39,091 | — | — |
| Apr 29, 2024 | Kirby Corporation | Grant or award | +1,828 | — | — |
| May 24, 2023 | Tetra Technologies Inc. | Option exercise | +24,022 | — | — |
| May 1, 2023 | Kirby Corporation | Grant or award | +2,767 | — | — |
Questions about Shawn D. Williams
What boards is Shawn D. Williams on?
Shawn D. Williams sits on the boards of Kirby Corporation and Tetra Technologies Inc.
How long has Shawn D. Williams served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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