Michael Garnreiter

Sits on 3 boards. Last updated September 28, 2026

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: Axon Enterprise Inc., 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
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
Sep 16, 2024 Axon Enterprise Inc. Open-market sale โˆ’1,000 $380.99 $380,990
Sep 10, 2024 Knight-Swift Transportation Holdings Inc. Gift โˆ’1,904 โ€” โ€”
Sep 10, 2024 Axon Enterprise Inc. Gift โˆ’1,000 โ€” โ€”
Aug 16, 2024 Axon Enterprise Inc. Open-market sale โˆ’1,000 $374.99 $374,990
Aug 13, 2024 Knight-Swift Transportation Holdings Inc. Open-market sale โˆ’2,000 $50.57 $101,140
May 14, 2024 Knight-Swift Transportation Holdings Inc. Grant or award +3,031 $49.48 $149,974
May 10, 2024 Axon Enterprise Inc. Grant or award +657 โ€” โ€”
May 10, 2024 Axon Enterprise Inc. Grant or award +66 โ€” โ€”
Mar 7, 2024 Knight-Swift Transportation Holdings Inc. Gift โˆ’369 โ€” โ€”
Mar 1, 2024 Amtech Systems Inc. Option exercise +4,189 โ€” โ€”
Jul 6, 2023 Amtech Systems Inc. Option exercise +6,000 $7.01 $42,060
May 16, 2023 Knight-Swift Transportation Holdings Inc. Grant or award +2,403 $55.12 $132,453
May 12, 2023 Axon Enterprise Inc. Grant or award +993 โ€” โ€”
May 12, 2023 Axon Enterprise Inc. Grant or award +100 โ€” โ€”
Feb 2, 2023 Axon Enterprise Inc. Open-market sale โˆ’3,000 $200.00 $600,000

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