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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.

Insider roster for Axcelis Technologies Inc
NameTitleLast reported holdingLast filingFilings, past year
Redinbo GregEVP and Chief Strategy Officer34,816Sep 16, 20265
Tatnall ChristopherEVP Global Customer Operations27,491Sep 16, 20265
Ryzhik DavidSVP Interim CFO9,790Jul 17, 20263
Blumenstock Gerald MEVP, Research, Dev. & Eng.19,987Jun 16, 20266
Sayiner NecipDirector7,112Jun 4, 20262
Mahoney Robert JohnEVP Global Operations14,410Jun 3, 20266
Sutton ToddVP Corporate Controller6,360May 28, 20264
St Dennis ThomasDirector17,695May 26, 20262
Evans EileenEVP, General Counsel and Sec'y31,295May 22, 20263
Kurtzweil John TDirector32,990May 20, 20262
Graves Gregory BDirector5,473May 20, 20262
Low RussellPRESIDENT AND CEO154,900May 20, 20267
Quirk JeanneDirector11,400May 20, 20262
Titinger JorgeDirector5,917May 18, 20264
Chiu Tzu YinDirector11,843May 18, 20261
Coogan James GordonEVP AND CFO37,144Mar 3, 20262
Fallon Lynnette CEXECUTIVE VP, HR/LEGAL27,323Jan 7, 20250
Lawson Douglas A.EVP, CORPORATE MKTG & STRATEGY15,808Jun 24, 20240
Vachani DiptiDirector9,063May 16, 20240
Puma Mary GEXECUTIVE CHAIRPERSON231,976May 13, 20240
Brewer Kevin JEVP & Chief Financial Officer19,597Jan 2, 20240
Keithley Joseph PDirector3,157Dec 14, 20230
Bintz William JEVP, Product Development31,173Nov 23, 20220
Faubert Richard JDirector33,625Aug 12, 20220

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.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 11, 2023 (view filing)May 11Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−10.5K$125.06−$1.32M−22.5%36.3K after
May 11, 2023 (view filing)May 11Same dayPuma Mary GExecutive ChairpersonSSale−21.7K$125.00−$2.71M−6.1%332.4K after
May 15, 2023 (view filing)May 15Same dayKeithley Joseph PDirectorSSale−3.00K$126.07−$378.2K−22.4%10.4K after2 lots
May 16, 2023 (view filing)May 16Same dayChiu Tzu YinDirectorSSale−15.0K$129.50−$1.94M−74.4%5.16K after
May 16, 2023 (view filing)May 16Same dayKeithley Joseph PDirectorSSale−1.00K$131.00−$131.0K−8.6%10.7K after
May 16, 2023 (view filing)May 16Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−6.50K$130.84−$851.1K−18.3%29.0K after
May 16, 2023 (view filing)May 16Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−4.12K$129.84−$534.9K−9.0%41.8K after
May 16, 2023 (view filing)May 16Same dayLow RussellPresident and CEOSSale−8.31K$130.76−$1.09M−10.4%71.2K after
May 18, 2023 (view filing)May 18Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−2.41K$141.55−$341.1K−6.0%37.9K after
May 18, 2023 (view filing)May 18Same dayKurtzweil John TDirectorSSale−2.69K$138.69−$372.9K−7.6%32.7K after
May 18, 2023 (view filing)May 18Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−4.70K$141.05−$663.4K−19.1%19.9K after
May 18, 2023 (view filing)May 18Same dayPuma Mary GExecutive ChairpersonSSale−8.58K$141.52−$1.21M−2.6%320.4K after
May 18, 2023 (view filing)May 171 dayRedinbo GregEVP Marketing and ApplicationsSSale−1.00K$135.00−$135.0K−5.1%18.5K after
May 19, 2023 (view filing)May 17-182 daysKeithley Joseph PDirectorSSale−3.00K$139.79−$419.4K−28.2%7.66K after3 lots
May 19, 2023 (view filing)May 19Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−550$144.82−$79.7K−2.8%19.3K after
May 25, 2023 (view filing)May 25Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−2.31K$148.00−$342.3K−33.9%4.51K after
May 25, 2023 (view filing)May 25Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−1.88K$152.20−$286.3K−5.0%36.1K after
May 25, 2023 (view filing)May 25Same dayPuma Mary GExecutive ChairpersonSSale−19.7K$151.83−$2.99M−6.2%300.7K after
May 25, 2023 (view filing)May 25Same dayLow RussellPresident and CEOSSale−4.98K$153.13−$762.6K−7.1%64.7K after
May 30, 2023 (view filing)May 264 daysLawson Douglas A.EVP, Corporate Mktg & StrategySSale−200$153.00−$30.6K−1.0%19.1K after
Jun 6, 2023 (view filing)May 2512 daysKeithley Joseph PDirectorSSale−1.00K$152.21−$152.2K−13.1%6.66K afterAmended
Jun 6, 2023 (view filing)Jun 6Same dayKeithley Joseph PDirectorSSale−1.00K$163.50−$163.5K−15.0%5.66K after
Jun 7, 2023 (view filing)Jun 7Same dayKeithley Joseph PDirectorSSale−1.00K$173.00−$173.0K−17.7%4.66K after
Jun 7, 2023 (view filing)Jun 7Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−1.58K$172.73−$273.6K−4.4%34.5K after
Jun 7, 2023 (view filing)Jun 7Same dayPuma Mary GExecutive ChairpersonSSale−21.7K$173.58−$3.77M−7.2%279.0K after
Jun 8, 2023 (view filing)Jun 8Same dayLow RussellPresident and CEOSSale−3.51K$173.41−$608.5K−5.4%61.2K after
Jun 12, 2023 (view filing)Jun 93 daysLawson Douglas A.EVP, Corporate Mktg & StrategySSale−400$175.00−$70.0K−2.1%18.7K after
Jun 12, 2023 (view filing)Jun 12Same dayQuirk JeanneDirectorSSale−900$177.41−$159.7K−10.4%7.78K after
Jun 14, 2023 (view filing)Jun 122 daysKeithley Joseph PDirectorSSale−500$181.75−$90.9K−10.7%4.16K after
Aug 7, 2023 (view filing)Aug 7Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−375$177.45−$66.5K−2.0%18.3K after
Sep 7, 2023 (view filing)Sep 7Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−3.10K$181.32−$561.7K−9.0%31.4K after
Sep 7, 2023 (view filing)Sep 7Same dayLow RussellPresident and CEOSSale−3.40K$179.25−$610.3K−5.6%57.8K after
Sep 7, 2023 (view filing)Sep 7Same dayTitinger JorgeDirectorSSale−6.88K$177.38−$1.22M−40.0%10.3K after
Sep 8, 2023 (view filing)Jun 1288 daysPuma Mary GExecutive ChairpersonSSale−11.8K$181.80−$2.15M−4.4%258.3K afterAmended
Sep 14, 2023 (view filing)Sep 14Same dayRedinbo GregEVP Marketing and ApplicationsSSale−600$180.18−$108.1K−3.4%17.2K after
Nov 13, 2023 (view filing)Nov 103 daysKeithley Joseph PDirectorSSale−500$130.43−$65.2K−10.7%4.16K after
Dec 14, 2023 (view filing)Dec 14Same dayKeithley Joseph PDirectorSSale−500$140.50−$70.3K−13.7%3.16K after
Feb 26, 2024 (view filing)Feb 233 daysLawson Douglas A.EVP, CORPORATE MKTG & STRATEGYPPurchase+500$111.04+$55.5K+2.6%19.6K after
Feb 29, 2024 (view filing)Feb 29Same dayCoogan James GordonEVP AND CFOPPurchase+100$112.23+$11.2K+1.7%5.99K after
Mar 11, 2024 (view filing)Mar 11Same dayLow RussellPRESIDENT AND CEOPPurchase+440$112.39+$49.5K+0.8%57.8K after
May 20, 2024 (view filing)May 20Same dayKurtzweil John TDirectorSSale−1.20K$114.42−$137.3K−3.5%33.1K after
Aug 6, 2024 (view filing)Aug 6Same dayTitinger JorgeDirectorSSale−6.09K$109.98−$669.3K−50.8%5.89K after
May 21, 2025 (view filing)May 201 dayKurtzweil John TDirectorSSale−1.68K$61.93−$104.2K−4.6%35.0K after
Dec 12, 2025 (view filing)Dec 111 dayBlumenstock Gerald MEVP, Research, Dev. & Eng.SSale−3.03K$89.46−$271.4K−14.0%18.7K after
Dec 18, 2025 (view filing)Dec 171 dayTitinger JorgeDirectorSSale−2.00K$86.05−$172.1K−21.1%7.48K after
Feb 23, 2026 (view filing)Feb 203 daysTitinger JorgeDirectorSSale−1.00K$80.00−$80.0K−13.4%6.48K after
Mar 26, 2026 (view filing)Mar 242 daysLow RussellPRESIDENT AND CEOSSale−1.24K$90.00−$112.0K−0.9%133.5K after10b5-1
Apr 2, 2026 (view filing)Apr 11 dayLow RussellPRESIDENT AND CEOSSale−1.24K$94.06−$117.0K−0.9%132.3K after10b5-1
May 4, 2026 (view filing)May 13 daysLow RussellPRESIDENT AND CEOSSale−1.24K$138.86−$172.7K−0.9%131.0K after10b5-1
May 7, 2026 (view filing)May 61 dayLow RussellPRESIDENT AND CEOSSale−7.47K$156.75−$1.17M−5.7%123.6K after10b5-1