Axcelis Technologies Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Axcelis Technologies Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 3559 — Special Industry Machinery, NEC
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Beverly
- Headquarters state / province
- Massachusetts
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- ACLS
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0001113232
- EIN
- 34-1818596
Board of directors
-
Dennis Thomas St · DirectorSince 2023
-
Dipti Vachani · DirectorSince 2023
-
Gregory B. Graves · DirectorSince 2024
-
Jeanne Quirk · DirectorSince 2023
-
John T. Kurtzweil · DirectorSince 2023
-
Jorge Titinger · DirectorSince 2023
-
Joseph P. Keithley · DirectorSince 2023
- Since 2023
- Since 2024
-
Russell Low · Director · PRESIDENT AND CEOSince 2023
-
Tzu Yin Chiu · DirectorSince 2023
Chief executives
Russell Low
· PRESIDENT AND CEO
Dates unknown
Mary G. Puma
· President and CEO
Dates unknown
Director election results
Annual meeting of May 5, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
88.2%
-
89.6%
-
94.9%
-
97.7%
-
98.3%
-
98.4%
-
98.7%
Board connections
5 of this board's directors also sit on 13 other boards.
- via Dennis Thomas St and Jorge Titinger
- via Mary G. Puma
- via Mary G. Puma
- via Mary G. Puma
- via Jorge Titinger
- via Gregory B. Graves
- via Mary G. Puma
- via Mary G. Puma
- via Necip Sayiner
- via Necip Sayiner
- via Necip Sayiner
- via Necip Sayiner
- via Dennis Thomas St
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.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $6,416,036
- 23 sales by 13 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Sep 15, 2026 | Redinbo Greg Officer (EVP and Chief Strategy Officer) | Shares withheld for tax | −208 | $105.04 | $21,848 |
| Sep 15, 2026 | Tatnall Christopher Officer (EVP Global Customer Operations) | Shares withheld for tax | −136 | $105.04 | $14,285 |
| Jul 15, 2026 | Ryzhik David Officer (SVP Interim CFO) | Shares withheld for tax | −127 | $145.01 | $18,416 |
| Jul 15, 2026 | Ryzhik David Officer (SVP Interim CFO) | Shares withheld for tax | −94 | $145.01 | $13,631 |
| Jun 16, 2026 | Ryzhik David Officer (SVP Interim CFO) | Shares withheld for tax | −76 | $176.85 | $13,441 |
| Jun 15, 2026 | Blumenstock Gerald M Officer (EVP, Research, Dev. & Eng.) | Shares withheld for tax | −506 | $191.60 | $96,950 |
| Jun 3, 2026 | Necip Sayiner Director | Open-market sale | −1,586 | $157.44 | $249,700 |
| Jun 2, 2026 | Mahoney Robert John Officer (EVP Global Operations) | Open-market sale | −1,155 | $155.24 | $179,302 |
| May 27, 2026 | Sutton Todd Officer (VP Corporate Controller) | Open-market sale | −2,000 | $159.99 | $319,980 |
| May 22, 2026 | Dennis Thomas St Director | Open-market sale | −900 | $155.37 | $139,833 |
| May 22, 2026 | Evans Eileen Officer (EVP, General Counsel and Sec'y) | Open-market sale | −926 | $155.51 | $144,002 |
| May 21, 2026 | Blumenstock Gerald M Officer (EVP, Research, Dev. & Eng.) | Open-market sale | −1,161 | $152.70 | $177,285 |
| May 20, 2026 | Tatnall Christopher Officer (EVP Global Customer Operations) | Open-market sale | −1,166 | $149.75 | $174,609 |
| May 19, 2026 | Gregory B. Graves Director | Open-market sale | −2,625 | $141.41 | $371,201 |
| May 19, 2026 | John T. Kurtzweil Director | Open-market sale | −3,500 | $138.79 | $485,765 |
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