As of June 06, 2026, Axcelis Technologies's top three insider holders are Russell Low (President And Ceo, 132.28K shares), Greg Redinbo (Evp Marketing And Applications, 31.94K shares), William J Bintz (Evp, Product Development, 31.17K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Joseph P Keithley | - | 3,157 | 0 | 14 Dec, 2023 |
| Lynnette C Fallon | Executive Vp, Hr/Legal | 27,323 | 0 | 07 Jan, 2025 |
| Kevin J Brewer | Evp Chief Financial Officer | 19,597 | 0 | 02 Jan, 2024 |
| Necip Sayiner | - | 7,258 | 0 | 15 May, 2025 |
| Dennis Thomas St | - | 17,155 | 0 | 15 May, 2025 |
| Jorge Titinger | - | 6,477 | 0 | 23 Feb, 2026 |
| William J Bintz | Evp, Product Development | 31,173 | 0 | 23 Nov, 2022 |
| Douglas A. Lawson | Evp, Corporate Mktg Strategy | 15,808 | 0 | 24 Jun, 2024 |
| Russell Low | President And Ceo | 132,282 | 0 | 02 Apr, 2026 |
| Tzu Yin Chiu | - | 10,403 | 0 | 15 May, 2025 |
| Dipti Vachani | - | 9,063 | 0 | 16 May, 2024 |
| Jeanne Quirk | - | 11,749 | 0 | 15 May, 2025 |
| Greg Redinbo | Evp Marketing And Applications | 31,938 | 0 | 03 Mar, 2026 |
| Gerald M Blumenstock | Evp, Research, Dev. Eng. | 17,540 | 0 | 03 Mar, 2026 |
| Christopher Tatnall | Evp Global Customer Operations | 23,044 | 0 | 21 Apr, 2026 |
| Robert John Mahoney | Evp Global Operations | 14,633 | 0 | 03 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 20 Apr, 2026 | Christopher Tatnall | Common Stock | D | 907 | $131.02 | 23,044 | D | F |
| 01 Apr, 2026 | Russell Low | Common Stock | D | 1,244 | $94.06 | 132,282 | D | S |
| 01 Apr, 2026 | Russell Low | Common Stock | D | 1,244 | $94.06 | 132,282 | D | S |
| 01 Apr, 2026 | Russell Low | Common Stock | D | 1,244 | $94.06 | 132,282 | D | S |
| 24 Mar, 2026 | Russell Low | Common Stock | D | 1,244 | $90.00 | 133,526 | D | S |
| 24 Mar, 2026 | Russell Low | Common Stock | D | 1,244 | $90.00 | 133,526 | D | S |
| 24 Mar, 2026 | Russell Low | Common Stock | D | 1,244 | $90.00 | 133,526 | D | S |
| 02 Mar, 2026 | Greg Redinbo | Common Stock | D | 723 | $86.58 | 31,938 | D | F |
| 02 Mar, 2026 | Russell Low | Common Stock | D | 5,227 | $86.58 | 130,928 | D | F |
| 02 Mar, 2026 | Greg Redinbo | Common Stock | D | 723 | $86.58 | 31,938 | D | F |
| 02 Mar, 2026 | Gerald M Blumenstock | Common Stock | D | 1,121 | $86.58 | 17,540 | D | F |
| 02 Mar, 2026 | Greg Redinbo | Common Stock | D | 723 | $86.58 | 31,938 | D | F |
| 02 Mar, 2026 | Gerald M Blumenstock | Common Stock | D | 1,121 | $86.58 | 17,540 | D | F |
| 02 Mar, 2026 | Russell Low | Common Stock | D | 5,227 | $86.58 | 130,928 | D | F |
| 02 Mar, 2026 | Gerald M Blumenstock | Common Stock | D | 1,121 | $86.58 | 17,540 | D | F |
| 02 Mar, 2026 | Robert John Mahoney | Common Stock | D | 573 | $86.58 | 14,633 | D | F |
| 02 Mar, 2026 | Robert John Mahoney | Common Stock | D | 573 | $86.58 | 14,633 | D | F |
| 02 Mar, 2026 | Robert John Mahoney | Common Stock | D | 573 | $86.58 | 14,633 | D | F |
| 02 Mar, 2026 | Russell Low | Common Stock | D | 5,227 | $86.58 | 130,928 | D | F |
| 20 Feb, 2026 | Jorge Titinger | Common Stock | D | 1,000 | $80.00 | 6,477 | D | S |