Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 11 years
- Director since
- 2023
11 years of board service in total across 3 boards, counting each seat separately. Longest: Coeur Mining Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Alaska Air Group Inc. May 9, 202496.2%
-
Alaska Air Group Inc. May 4, 202389.7%
-
Tetra Tech Inc. February 28, 202388.2%
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 |
|---|---|---|---|---|---|
| Aug 19, 2026 | Coeur Mining Inc. | Open-market sale | −25,000 | $20.77 | $519,250 |
| Feb 20, 2026 | Coeur Mining Inc. | Grant or award | +5,247 | — | — |
| Aug 12, 2025 | Coeur Mining Inc. | Open-market sale | −8,324 | $11.74 | $97,724 |
| Feb 24, 2025 | Coeur Mining Inc. | Grant or award | +17,160 | — | — |
| Dec 11, 2024 | Alaska Air Group Inc. | Gift | −3,300 | — | — |
| May 9, 2024 | Alaska Air Group Inc. | Grant or award | +3,191 | $43.86 | $139,957 |
| Feb 26, 2024 | Coeur Mining Inc. | Grant or award | +34,129 | — | — |
| Feb 14, 2024 | Tetra Tech Inc. | Open-market sale | −3,500 | $177.24 | $620,340 |
| Feb 5, 2024 | Tetra Tech Inc. | Option exercise | +4,200 | $47.95 | $201,390 |
| Feb 5, 2024 | Tetra Tech Inc. | Option exercise | +4,200 | $40.80 | $171,360 |
| Feb 5, 2024 | Tetra Tech Inc. | Open-market sale | −8,400 | $165.00 | $1,386,000 |
| Nov 21, 2023 | Tetra Tech Inc. | Grant or award | +1,054 | — | — |
| Nov 21, 2023 | Tetra Tech Inc. | Gift | −325 | — | — |
| Nov 20, 2023 | Tetra Tech Inc. | Open-market sale | −950 | $166.03 | $157,729 |
| Nov 20, 2023 | Tetra Tech Inc. | Open-market sale | −3,510 | $165.71 | $581,642 |
Questions about J. Kenneth Thompson
What boards is J. Kenneth Thompson on?
J. Kenneth Thompson sits on the boards of Alaska Air Group Inc., Coeur Mining Inc. and Tetra Tech Inc.
How long has J. Kenneth Thompson served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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