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 11, 2023 (view filing) | May 11 | Same day | Brewer Kevin JEVP & Chief Financial Officer | SSale | −10.5K | $125.06 | −$1.32M | −22.5%36.3K after | |
| May 11, 2023 (view filing) | May 11 | Same day | Puma Mary GExecutive Chairperson | SSale | −21.7K | $125.00 | −$2.71M | −6.1%332.4K after | |
| May 15, 2023 (view filing) | May 15 | Same day | Keithley Joseph PDirector | SSale | −3.00K | $126.07 | −$378.2K | −22.4%10.4K after | 2 lots |
| May 16, 2023 (view filing) | May 16 | Same day | Chiu Tzu YinDirector | SSale | −15.0K | $129.50 | −$1.94M | −74.4%5.16K after | |
| May 16, 2023 (view filing) | May 16 | Same day | Keithley Joseph PDirector | SSale | −1.00K | $131.00 | −$131.0K | −8.6%10.7K after | |
| May 16, 2023 (view filing) | May 16 | Same day | Brewer Kevin JEVP & Chief Financial Officer | SSale | −6.50K | $130.84 | −$851.1K | −18.3%29.0K after | |
| May 16, 2023 (view filing) | May 16 | Same day | Fallon Lynnette CExecutive VP, HR/Legal | SSale | −4.12K | $129.84 | −$534.9K | −9.0%41.8K after | |
| May 16, 2023 (view filing) | May 16 | Same day | Low RussellPresident and CEO | SSale | −8.31K | $130.76 | −$1.09M | −10.4%71.2K after | |
| May 18, 2023 (view filing) | May 18 | Same day | Fallon Lynnette CExecutive VP, HR/Legal | SSale | −2.41K | $141.55 | −$341.1K | −6.0%37.9K after | |
| May 18, 2023 (view filing) | May 18 | Same day | Kurtzweil John TDirector | SSale | −2.69K | $138.69 | −$372.9K | −7.6%32.7K after | |
| May 18, 2023 (view filing) | May 18 | Same day | Lawson Douglas A.EVP, Corporate Mktg & Strategy | SSale | −4.70K | $141.05 | −$663.4K | −19.1%19.9K after | |
| May 18, 2023 (view filing) | May 18 | Same day | Puma Mary GExecutive Chairperson | SSale | −8.58K | $141.52 | −$1.21M | −2.6%320.4K after | |
| May 18, 2023 (view filing) | May 17 | 1 day | Redinbo GregEVP Marketing and Applications | SSale | −1.00K | $135.00 | −$135.0K | −5.1%18.5K after | |
| May 19, 2023 (view filing) | May 17-18 | 2 days | Keithley Joseph PDirector | SSale | −3.00K | $139.79 | −$419.4K | −28.2%7.66K after | 3 lots |
| May 19, 2023 (view filing) | May 19 | Same day | Lawson Douglas A.EVP, Corporate Mktg & Strategy | SSale | −550 | $144.82 | −$79.7K | −2.8%19.3K after | |
| May 25, 2023 (view filing) | May 25 | Same day | Brewer Kevin JEVP & Chief Financial Officer | SSale | −2.31K | $148.00 | −$342.3K | −33.9%4.51K after | |
| May 25, 2023 (view filing) | May 25 | Same day | Fallon Lynnette CExecutive VP, HR/Legal | SSale | −1.88K | $152.20 | −$286.3K | −5.0%36.1K after | |
| May 25, 2023 (view filing) | May 25 | Same day | Puma Mary GExecutive Chairperson | SSale | −19.7K | $151.83 | −$2.99M | −6.2%300.7K after | |
| May 25, 2023 (view filing) | May 25 | Same day | Low RussellPresident and CEO | SSale | −4.98K | $153.13 | −$762.6K | −7.1%64.7K after | |
| May 30, 2023 (view filing) | May 26 | 4 days | Lawson Douglas A.EVP, Corporate Mktg & Strategy | SSale | −200 | $153.00 | −$30.6K | −1.0%19.1K after | |
| Jun 6, 2023 (view filing) | May 25 | 12 days | Keithley Joseph PDirector | SSale | −1.00K | $152.21 | −$152.2K | −13.1%6.66K after | Amended |
| Jun 6, 2023 (view filing) | Jun 6 | Same day | Keithley Joseph PDirector | SSale | −1.00K | $163.50 | −$163.5K | −15.0%5.66K after | |
| Jun 7, 2023 (view filing) | Jun 7 | Same day | Keithley Joseph PDirector | SSale | −1.00K | $173.00 | −$173.0K | −17.7%4.66K after | |
| Jun 7, 2023 (view filing) | Jun 7 | Same day | Fallon Lynnette CExecutive VP, HR/Legal | SSale | −1.58K | $172.73 | −$273.6K | −4.4%34.5K after | |
| Jun 7, 2023 (view filing) | Jun 7 | Same day | Puma Mary GExecutive Chairperson | SSale | −21.7K | $173.58 | −$3.77M | −7.2%279.0K after | |
| Jun 8, 2023 (view filing) | Jun 8 | Same day | Low RussellPresident and CEO | SSale | −3.51K | $173.41 | −$608.5K | −5.4%61.2K after | |
| Jun 12, 2023 (view filing) | Jun 9 | 3 days | Lawson Douglas A.EVP, Corporate Mktg & Strategy | SSale | −400 | $175.00 | −$70.0K | −2.1%18.7K after | |
| Jun 12, 2023 (view filing) | Jun 12 | Same day | Quirk JeanneDirector | SSale | −900 | $177.41 | −$159.7K | −10.4%7.78K after | |
| Jun 14, 2023 (view filing) | Jun 12 | 2 days | Keithley Joseph PDirector | SSale | −500 | $181.75 | −$90.9K | −10.7%4.16K after | |
| Aug 7, 2023 (view filing) | Aug 7 | Same day | Lawson Douglas A.EVP, Corporate Mktg & Strategy | SSale | −375 | $177.45 | −$66.5K | −2.0%18.3K after | |
| Sep 7, 2023 (view filing) | Sep 7 | Same day | Fallon Lynnette CExecutive VP, HR/Legal | SSale | −3.10K | $181.32 | −$561.7K | −9.0%31.4K after | |
| Sep 7, 2023 (view filing) | Sep 7 | Same day | Low RussellPresident and CEO | SSale | −3.40K | $179.25 | −$610.3K | −5.6%57.8K after | |
| Sep 7, 2023 (view filing) | Sep 7 | Same day | Titinger JorgeDirector | SSale | −6.88K | $177.38 | −$1.22M | −40.0%10.3K after | |
| Sep 8, 2023 (view filing) | Jun 12 | 88 days | Puma Mary GExecutive Chairperson | SSale | −11.8K | $181.80 | −$2.15M | −4.4%258.3K after | Amended |
| Sep 14, 2023 (view filing) | Sep 14 | Same day | Redinbo GregEVP Marketing and Applications | SSale | −600 | $180.18 | −$108.1K | −3.4%17.2K after | |
| Nov 13, 2023 (view filing) | Nov 10 | 3 days | Keithley Joseph PDirector | SSale | −500 | $130.43 | −$65.2K | −10.7%4.16K after | |
| Dec 14, 2023 (view filing) | Dec 14 | Same day | Keithley Joseph PDirector | SSale | −500 | $140.50 | −$70.3K | −13.7%3.16K after | |
| Feb 26, 2024 (view filing) | Feb 23 | 3 days | Lawson Douglas A.EVP, CORPORATE MKTG & STRATEGY | PPurchase | +500 | $111.04 | +$55.5K | +2.6%19.6K after | |
| Feb 29, 2024 (view filing) | Feb 29 | Same day | Coogan James GordonEVP AND CFO | PPurchase | +100 | $112.23 | +$11.2K | +1.7%5.99K after | |
| Mar 11, 2024 (view filing) | Mar 11 | Same day | Low RussellPRESIDENT AND CEO | PPurchase | +440 | $112.39 | +$49.5K | +0.8%57.8K after | |
| May 20, 2024 (view filing) | May 20 | Same day | Kurtzweil John TDirector | SSale | −1.20K | $114.42 | −$137.3K | −3.5%33.1K after | |
| Aug 6, 2024 (view filing) | Aug 6 | Same day | Titinger JorgeDirector | SSale | −6.09K | $109.98 | −$669.3K | −50.8%5.89K after | |
| May 21, 2025 (view filing) | May 20 | 1 day | Kurtzweil John TDirector | SSale | −1.68K | $61.93 | −$104.2K | −4.6%35.0K after | |
| Dec 12, 2025 (view filing) | Dec 11 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −3.03K | $89.46 | −$271.4K | −14.0%18.7K after | |
| Dec 18, 2025 (view filing) | Dec 17 | 1 day | Titinger JorgeDirector | SSale | −2.00K | $86.05 | −$172.1K | −21.1%7.48K after | |
| Feb 23, 2026 (view filing) | Feb 20 | 3 days | Titinger JorgeDirector | SSale | −1.00K | $80.00 | −$80.0K | −13.4%6.48K after | |
| Mar 26, 2026 (view filing) | Mar 24 | 2 days | Low RussellPRESIDENT AND CEO | SSale | −1.24K | $90.00 | −$112.0K | −0.9%133.5K after | 10b5-1 |
| Apr 2, 2026 (view filing) | Apr 1 | 1 day | Low RussellPRESIDENT AND CEO | SSale | −1.24K | $94.06 | −$117.0K | −0.9%132.3K after | 10b5-1 |
| May 4, 2026 (view filing) | May 1 | 3 days | Low RussellPRESIDENT AND CEO | SSale | −1.24K | $138.86 | −$172.7K | −0.9%131.0K after | 10b5-1 |
| May 7, 2026 (view filing) | May 6 | 1 day | Low RussellPRESIDENT AND CEO | SSale | −7.47K | $156.75 | −$1.17M | −5.7%123.6K after | 10b5-1 |