Mary G. Puma
President and CEO at Axcelis Technologies Inc.
Sits on 6 boards. Overboarded · 6 public boards Last updated September 28, 2026
Time on boards
- Boards served
- 6
- Current seats
- 6
- Board service
- 19 years
- Director since
- 2023
19 years of board service in total across 6 boards, counting each seat separately. Longest: Axcelis Technologies Inc., 3 years.
Chief executive roles
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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Entegris Inc. May 6, 202699.7%
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Ciena Corporation March 26, 202695.2%
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Entegris Inc. April 23, 202598.2%
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Allegro MicroSystems Inc. August 8, 202497.9%
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Penguin Solutions Inc. February 9, 202488.4%
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Axcelis Technologies Inc. May 11, 202397.9%
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Nordson Corporation February 28, 202390.2%
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 |
|---|---|---|---|---|---|
| Aug 5, 2026 | Allegro MicroSystems Inc. | Grant or award | +4,251 | — | — |
| May 6, 2026 | Entegris Inc. | Grant or award | +1,412 | — | — |
| Mar 26, 2026 | Ciena Corporation | Grant or award | +605 | — | — |
| Feb 6, 2026 | Penguin Solutions Inc. | Grant or award | +10,034 | — | — |
| Aug 7, 2025 | Allegro MicroSystems Inc. | Grant or award | +5,932 | — | — |
| Apr 23, 2025 | Entegris Inc. | Grant or award | +2,897 | — | — |
| Mar 27, 2025 | Ciena Corporation | Grant or award | +3,738 | — | — |
| Feb 7, 2025 | Penguin Solutions Inc. | Grant or award | +8,397 | — | — |
| Sep 5, 2024 | Entegris Inc. | Grant or award | +1,207 | — | — |
| Aug 8, 2024 | Allegro MicroSystems Inc. | Grant or award | +6,873 | $26.92 | $185,021 |
| May 9, 2024 | Axcelis Technologies Inc. | Shares withheld for tax | −17,393 | $113.04 | $1,966,105 |
| Mar 21, 2024 | Ciena Corporation | Grant or award | +4,438 | — | — |
| Feb 28, 2024 | Axcelis Technologies Inc. | Shares withheld for tax | −6,289 | — | — |
| Feb 28, 2024 | Axcelis Technologies Inc. | Shares withheld for tax | −6,828 | — | — |
| Oct 18, 2023 | Allegro MicroSystems Inc. | Grant or award | +4,678 | — | — |
Questions about Mary G. Puma
What boards is Mary G. Puma on?
Mary G. Puma sits on the boards of Allegro MicroSystems Inc., Axcelis Technologies Inc., Ciena Corporation, Entegris Inc., Nordson Corporation and Penguin Solutions Inc.
What company is Mary G. Puma the CEO of?
Mary G. Puma is President and CEO of Axcelis Technologies Inc.
How long has Mary G. Puma served on boards?
Our records show at least 19 years of board service across 6 boards, the earliest from 2023.
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