Axcelis Technologies Inc
ACLS- Exchange
- Nasdaq
- Industry
- Special Industry Machinery, NEC
- SEC CIK
- 0001113232
No open-market purchases or sales by Axcelis Technologies Inc insiders were filed in the last 90 days; 442 institutions reported holding it in 13F filings for Q2 2026, worth $5.85B in total; Maverick Capital is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Axcelis Technologies Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Axcelis Technologies Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Redinbo Greg | EVP and Chief Strategy Officer | 34,816 | Sep 16, 2026 | 5 |
| Tatnall Christopher | EVP Global Customer Operations | 27,491 | Sep 16, 2026 | 5 |
| Ryzhik David | SVP Interim CFO | 9,790 | Jul 17, 2026 | 3 |
| Blumenstock Gerald M | EVP, Research, Dev. & Eng. | 19,987 | Jun 16, 2026 | 6 |
| Sayiner Necip | Director | 7,112 | Jun 4, 2026 | 2 |
| Mahoney Robert John | EVP Global Operations | 14,410 | Jun 3, 2026 | 6 |
| Sutton Todd | VP Corporate Controller | 6,360 | May 28, 2026 | 4 |
| St Dennis Thomas | Director | 17,695 | May 26, 2026 | 2 |
| Evans Eileen | EVP, General Counsel and Sec'y | 31,295 | May 22, 2026 | 3 |
| Kurtzweil John T | Director | 32,990 | May 20, 2026 | 2 |
| Graves Gregory B | Director | 5,473 | May 20, 2026 | 2 |
| Low Russell | PRESIDENT AND CEO | 154,900 | May 20, 2026 | 7 |
| Quirk Jeanne | Director | 11,400 | May 20, 2026 | 2 |
| Titinger Jorge | Director | 5,917 | May 18, 2026 | 4 |
| Chiu Tzu Yin | Director | 11,843 | May 18, 2026 | 1 |
| Coogan James Gordon | EVP AND CFO | 37,144 | Mar 3, 2026 | 2 |
| Fallon Lynnette C | EXECUTIVE VP, HR/LEGAL | 27,323 | Jan 7, 2025 | 0 |
| Lawson Douglas A. | EVP, CORPORATE MKTG & STRATEGY | 15,808 | Jun 24, 2024 | 0 |
| Vachani Dipti | Director | 9,063 | May 16, 2024 | 0 |
| Puma Mary G | EXECUTIVE CHAIRPERSON | 231,976 | May 13, 2024 | 0 |
| Brewer Kevin J | EVP & Chief Financial Officer | 19,597 | Jan 2, 2024 | 0 |
| Keithley Joseph P | Director | 3,157 | Dec 14, 2023 | 0 |
| Bintz William J | EVP, Product Development | 31,173 | Nov 23, 2022 | 0 |
| Faubert Richard J | Director | 33,625 | Aug 12, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 13, 2026 (view filing) | May 12 | 1 day | Mahoney Robert JohnEVP Global Operations | SSale | −2.26K | $161.00 | −$363.5K | −15.0%12.8K after | |
| May 14, 2026 (view filing) | May 13 | 1 day | Titinger JorgeDirector | SSale | −2.00K | $164.14 | −$328.3K | −30.9%4.48K after | |
| May 14, 2026 (view filing) | May 13 | 1 day | Redinbo GregEVP MARKETING AND APPLICATIONS | SSale | −2.88K | $160.85 | −$463.7K | −8.8%29.8K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −1.01K | $162.32 | −$164.8K | −5.5%17.3K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Sutton ToddVP Corporate Controller | SSale | −2.57K | $163.89 | −$421.9K | −24.8%7.82K after | |
| May 20, 2026 (view filing) | May 19 | 1 day | Kurtzweil John TDirector | SSale | −3.50K | $138.79 | −$485.8K | −9.6%33.0K after | |
| May 20, 2026 (view filing) | May 19 | 1 day | Graves Gregory BDirector | SSale | −3.23K | $141.61 | −$456.7K | −37.1%5.47K after | 2 lots |
| May 20, 2026 (view filing) | May 19 | 1 day | Quirk JeanneDirector | SSale | −1.79K | $140.22 | −$250.9K | −13.6%11.4K after | |
| May 21, 2026 (view filing) | May 20 | 1 day | Tatnall ChristopherEVP Global Customer Operations | SSale | −1.17K | $149.75 | −$174.6K | −4.0%27.6K after | |
| May 22, 2026 (view filing) | May 22 | Same day | Evans EileenEVP, General Counsel and Sec'y | SSale | −926 | $155.51 | −$144.0K | −2.9%31.3K after | |
| May 22, 2026 (view filing) | May 21 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −1.16K | $152.70 | −$177.3K | −5.4%20.5K after | |
| May 26, 2026 (view filing) | May 22 | 4 days | St Dennis ThomasDirector | SSale | −900 | $155.37 | −$139.8K | −4.8%17.7K after | |
| May 28, 2026 (view filing) | May 27 | 1 day | Sutton ToddVP Corporate Controller | SSale | −2.00K | $159.99 | −$320.0K | −23.9%6.36K after | |
| Jun 3, 2026 (view filing) | Jun 2 | 1 day | Mahoney Robert JohnEVP Global Operations | SSale | −1.16K | $155.24 | −$179.3K | −7.4%14.4K after | |
| Jun 4, 2026 (view filing) | Jun 3 | 1 day | Sayiner NecipDirector | SSale | −1.59K | $157.44 | −$249.7K | −18.2%7.11K after |