Joanne M. Maguire

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: Vistance Networks Inc., 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
Tetra Tech Inc. Director
2 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
Jun 5, 2026 Visteon Corporation Option exercise +1,829 โ€” โ€”
May 7, 2026 Vistance Networks Inc. Grant or award +16,807 โ€” โ€”
Jun 6, 2025 Visteon Corporation Option exercise +1,396 โ€” โ€”
May 8, 2025 Vistance Networks Inc. Grant or award +40,000 โ€” โ€”
Sep 30, 2024 Tetra Tech Inc. Option exercise +2,125 โ€” โ€”
Aug 5, 2024 Tetra Tech Inc. Option exercise +4,000 $47.95 $191,800
Aug 5, 2024 Tetra Tech Inc. Shares withheld for tax โˆ’862 $225.24 $194,157
Jun 8, 2024 Visteon Corporation Option exercise +841 โ€” โ€”
Nov 21, 2023 Tetra Tech Inc. Grant or award +1,054 โ€” โ€”
Nov 18, 2023 Tetra Tech Inc. Option exercise +380 โ€” โ€”
Jun 23, 2023 Visteon Corporation Option exercise +1,189 โ€” โ€”
May 11, 2023 Vistance Networks Inc. Grant or award +47,170 โ€” โ€”

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