J. Kenneth Thompson

Sits on 3 boards. Last updated September 28, 2026

Time on boards

Boards served
3
Current seats
3
Board service
10 years
Director since
2023

10 years of board service in total across 3 boards, counting each seat separately. Longest: Coeur Mining Inc., 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
Tetra Tech Inc. Director
3 years ยท Since 2023

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 20, 2026 Coeur Mining Inc. Grant or award +5,247 โ€” โ€”
Aug 12, 2025 Coeur Mining Inc. Open-market sale โˆ’8,324 $11.74 $97,724
Feb 24, 2025 Coeur Mining Inc. Grant or award +17,160 โ€” โ€”
Dec 11, 2024 Alaska Air Group Inc. Gift โˆ’3,300 โ€” โ€”
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 โ€” โ€”
Feb 14, 2024 Tetra Tech Inc. Open-market sale โˆ’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 โˆ’8,400 $165.00 $1,386,000
Nov 21, 2023 Tetra Tech Inc. Grant or award +1,054 โ€” โ€”
Nov 21, 2023 Tetra Tech Inc. Gift โˆ’325 โ€” โ€”
Nov 20, 2023 Tetra Tech Inc. Open-market sale โˆ’950 $166.03 $157,729
Nov 20, 2023 Tetra Tech Inc. Open-market sale โˆ’3,510 $165.71 $581,642
Nov 18, 2023 Tetra Tech Inc. Option exercise +380 โ€” โ€”

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