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: Axcelis Technologies Inc., 3 years.
Axcelis Technologies Inc.
Director
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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Axcelis Technologies Inc. May 5, 202697.7%
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Axcelis Technologies Inc. May 7, 202592.7%
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Axcelis Technologies Inc. May 9, 202489.3%
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Axcelis Technologies Inc. May 11, 202386.3%
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 15, 2026 | Axcelis Technologies Inc. | Grant or award | +1,440 | — | — |
| May 15, 2025 | Axcelis Technologies Inc. | Grant or award | +3,586 | — | — |
| May 15, 2024 | Axcelis Technologies Inc. | Grant or award | +1,162 | — | — |
| May 16, 2023 | Axcelis Technologies Inc. | Open-market sale | −15,000 | $129.50 | $1,942,500 |
| May 15, 2023 | Axcelis Technologies Inc. | Grant or award | +1,282 | — | — |
| May 9, 2023 | Axcelis Technologies Inc. | Open-market sale | −10,000 | $118.50 | $1,185,000 |
| Feb 1, 2023 | Axcelis Technologies Inc. | Open-market sale | −1,700 | $127.12 | $216,104 |
Questions about Tzu Yin Chiu
What boards is Tzu Yin Chiu on?
Tzu Yin Chiu sits on the board of Axcelis Technologies Inc.
How long has Tzu Yin Chiu served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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