Michelle Renee Griffin

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Adaptive Biotechnologies Corporation, 3 years.

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
Jun 25, 2026 Adaptive Biotechnologies Corporation Option exercise +52,084 $7.80 $406,255
Jun 25, 2026 Adaptive Biotechnologies Corporation Open-market sale โˆ’52,084 $20.18 $1,051,055
Mar 11, 2026 Adaptive Biotechnologies Corporation Open-market sale โˆ’15,394 $13.91 $214,131
Mar 4, 2026 Adaptive Biotechnologies Corporation Grant or award +15,625 โ€” โ€”
Mar 3, 2026 Adaptive Biotechnologies Corporation Option exercise +48,044 $3.99 $191,696
Mar 3, 2026 Adaptive Biotechnologies Corporation Open-market sale โˆ’48,044 $15.30 $735,073
Mar 13, 2025 Adaptive Biotechnologies Corporation Open-market sale โˆ’36,291 $7.19 $260,932
Mar 6, 2025 Adaptive Biotechnologies Corporation Open-market sale โˆ’15,664 $7.94 $124,372
Mar 4, 2025 Adaptive Biotechnologies Corporation Grant or award +15,394 โ€” โ€”
Mar 4, 2024 Adaptive Biotechnologies Corporation Grant or award +31,328 โ€” โ€”
Mar 27, 2023 Adaptive Biotechnologies Corporation Open-market sale โˆ’2,341 $8.49 $19,875
Mar 6, 2023 Adaptive Biotechnologies Corporation Grant or award +14,775 โ€” โ€”

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