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.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Axon Enterprise Inc. May 28, 202699.5%
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Knight-Swift Transportation Holdings Inc. May 12, 202694.2%
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Amtech Systems Inc. March 4, 202675.6%
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Axon Enterprise Inc. May 29, 202599.5%
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Knight-Swift Transportation Holdings Inc. May 13, 202596.1%
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Amtech Systems Inc. March 5, 202598.6%
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Knight-Swift Transportation Holdings Inc. May 14, 202497.2%
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Amtech Systems Inc. March 6, 202496.6%
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Knight-Swift Transportation Holdings Inc. May 16, 202396.1%
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Amtech Systems Inc. March 1, 202395.8%
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 |
|---|---|---|---|---|---|
| May 29, 2026 | Axon Enterprise Inc. | Grant or award | +611 | — | — |
| May 29, 2026 | Axon Enterprise Inc. | Grant or award | +47 | — | — |
| May 12, 2026 | Knight-Swift Transportation Holdings Inc. | Grant or award | +2,838 | $59.90 | $169,996 |
| Mar 5, 2026 | Amtech Systems Inc. | Option exercise | +8,081 | — | — |
| Jun 4, 2025 | Axon Enterprise Inc. | Open-market sale | −5,913 | $760.00 | $4,493,880 |
| Jun 3, 2025 | Axon Enterprise Inc. | Open-market sale | −87 | $760.00 | $66,120 |
| Jun 3, 2025 | Axon Enterprise Inc. | Gift | −1,000 | — | — |
| May 29, 2025 | Axon Enterprise Inc. | Grant or award | +446 | — | — |
| May 29, 2025 | Axon Enterprise Inc. | Grant or award | +35 | — | — |
| May 13, 2025 | Knight-Swift Transportation Holdings Inc. | Grant or award | +3,257 | $46.05 | $149,985 |
| Mar 6, 2025 | Amtech Systems Inc. | Option exercise | +8,299 | — | — |
| Dec 16, 2024 | Axon Enterprise Inc. | Open-market sale | −50 | $616.65 | $30,833 |
| Dec 16, 2024 | Axon Enterprise Inc. | Open-market sale | −50 | $619.30 | $30,965 |
| Dec 16, 2024 | Axon Enterprise Inc. | Open-market sale | −50 | $622.46 | $31,123 |
| Dec 16, 2024 | Axon Enterprise Inc. | Open-market sale | −50 | $626.02 | $31,301 |
Questions about Michael Garnreiter
What boards is Michael Garnreiter on?
Michael Garnreiter sits on the boards of Amtech Systems Inc., Axon Enterprise Inc. and Knight-Swift Transportation Holdings Inc.
How long has Michael Garnreiter served on boards?
Our records show at least 11 years of board service across 3 boards, the earliest from 2023.
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