Skip to main content

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; 441 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
Aug 9, 2021 (view filing)Aug 9Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−4.98K$44.00−$219.0K−7.1%64.7K after
Aug 16, 2021 (view filing)Aug 133 daysTitinger JorgeDirectorSSale−3.50K$42.86−$150.0K−13.9%21.7K after
Aug 25, 2021 (view filing)Aug 25Same dayBintz William JEVP, Product DevelopmentSSale−15.1K$49.09−$739.3K−20.1%59.8K after
Aug 27, 2021 (view filing)Aug 26-271 dayBrewer Kevin JEVP & Chief Financial OfficerSSale−18.1K$49.72−$898.2K−20.8%69.0K after2 lots
Aug 27, 2021 (view filing)Aug 261 dayKeithley Joseph PDirectorSSale−5.00K$48.49−$242.4K−14.9%28.6K after
Aug 27, 2021 (view filing)Aug 27Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−6.25K$50.58−$316.2K−9.7%58.5K after
Aug 30, 2021 (view filing)Aug 30Same dayLow RussellEVP, EngineeringSSale−3.31K$50.63−$167.3K−4.4%71.3K after
Aug 30, 2021 (view filing)Aug 30Same daySt Dennis ThomasDirectorSSale−3.50K$50.32−$176.1K−11.9%25.9K after
Aug 31, 2021 (view filing)Aug 31Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−655$49.63−$32.5K−1.5%43.2K after
Nov 8, 2021 (view filing)Nov 8Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−1.22K$62.41−$76.0K−2.8%42.0K after
Nov 8, 2021 (view filing)Nov 8Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−6.33K$62.27−$394.1K−10.8%52.2K after
Nov 12, 2021 (view filing)Nov 111 dayPuma Mary GPresident and CEOSSale−1.00K$62.06−$62.1K−16.7%5.00K after
Nov 22, 2021 (view filing)Nov 22Same dayKurtzweil John TDirectorSSale−3.50K$64.58−$225.8K−9.2%34.4K after
Dec 9, 2021 (view filing)Dec 81 dayKeithley Joseph PDirectorSSale−3.00K$69.00−$207.0K−10.5%25.7K after
Feb 10, 2022 (view filing)Feb 10Same daySt Dennis ThomasDirectorSSale−3.00K$72.81−$218.4K−11.6%22.9K after
Feb 28, 2022 (view filing)Feb 253 daysKeithley Joseph PDirectorSSale−3.00K$69.05−$207.2K−11.7%22.7K after
Mar 2, 2022 (view filing)Mar 2Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−8.64K$70.89−$612.2K−12.9%58.1K after
Mar 3, 2022 (view filing)Mar 2-31 dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−7.33K$70.20−$514.5K−18.0%33.3K after2 lots
Mar 16, 2022 (view filing)Mar 16Same dayPuma Mary GPresident and CEOSSale−11.0K$69.23−$761.5K−2.7%393.9K after
Mar 17, 2022 (view filing)Mar 17Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−3.25K$71.85−$233.4K−6.3%48.0K after
Aug 8, 2022 (view filing)Aug 9–Lawson Douglas A.EVP, Corporate Mktg & StrategySSale−4.55K$74.69−$340.1K−11.7%34.4K after
Aug 12, 2022 (view filing)Aug 111 dayBintz William JEVP, Product DevelopmentSSale−13.3K$71.20−$946.2K−22.1%46.8K after
Aug 12, 2022 (view filing)Aug 12Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−3.79K$75.50−$285.9K−6.9%51.3K after
Aug 12, 2022 (view filing)Aug 12Same dayPuma Mary GPresident and CEOSSale−13.3K$75.94−$1.01M−3.2%405.9K after
Aug 12, 2022 (view filing)Aug 12Same dayFaubert Richard JDirectorSSale−15.0K$76.28−$1.14M−30.8%33.6K after
Aug 15, 2022 (view filing)Aug 15Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−9.46K$75.35−$712.9K−14.7%54.8K after2 lots
Aug 25, 2022 (view filing)Aug 25Same dayKeithley Joseph PDirectorSSale−2.00K$79.37−$158.7K−7.9%23.4K after
Nov 10, 2022 (view filing)Nov 10Same dayLow RussellEVP, Global Cust & Eng OpsSSale−7.70K$73.64−$567.0K−10.0%69.3K after2 lots
Nov 14, 2022 (view filing)Nov 104 daysKeithley Joseph PDirectorSSale−2.00K$74.02−$148.0K−8.6%21.4K after
Nov 15, 2022 (view filing)Nov 15Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−3.56K$79.00−$281.5K−6.9%47.8K after
Nov 15, 2022 (view filing)Nov 15Same dayBrewer Kevin JEVP & Chief Financial OfficerSSale−6.50K$79.26−$515.2K−11.9%48.3K after2 lots
Nov 18, 2022 (view filing)Nov 18Same daySt Dennis ThomasDirectorSSale−3.00K$76.66−$230.0K−11.7%22.6K after
Nov 23, 2022 (view filing)Nov 23Same dayBintz William JEVP, Product DevelopmentSSale−7.98K$79.24−$632.2K−20.4%31.2K after2 lots
Nov 28, 2022 (view filing)Nov 235 daysPuma Mary GPresident and CEOSSale−4.00K$80.01−$319.9K−1.0%401.9K after
Nov 28, 2022 (view filing)Nov 28Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−350$76.52−$26.8K−1.0%34.0K after
Nov 30, 2022 (view filing)Nov 30Same dayKeithley Joseph PDirectorSSale−1.00K$79.00−$79.0K−4.7%20.4K after
Dec 5, 2022 (view filing)Dec 1-54 daysPuma Mary GPresident and CEOSSale−4.20K$80.08−$336.1K−1.0%397.7K after2 lots
Dec 8, 2022 (view filing)Dec 8Same dayPuma Mary GPresident and CEOSSale−4.20K$80.31−$337.5K−1.1%393.5K after
Dec 9, 2022 (view filing)Dec 81 dayKurtzweil John TDirectorSSale−3.04K$78.42−$238.2K−8.2%34.1K after
Dec 14, 2022 (view filing)Dec 14Same dayKeithley Joseph PDirectorSSale−1.00K$86.24−$86.2K−4.7%20.4K after
Feb 13, 2023 (view filing)Feb 13Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−2.00K$122.47−$244.7K−5.9%32.0K after
Feb 13, 2023 (view filing)Feb 13Same dayPuma Mary GPresident and CEOSSale−24.8K$124.98−$3.10M−6.4%361.6K after2 lots
Feb 13, 2023 (view filing)Feb 13Same dayTitinger JorgeDirectorSSale−8.46K$122.95−$1.04M−38.0%13.8K after2 lots
Feb 13, 2023 (view filing)Feb 13Same dayLow RussellEVP, Global Cust & Eng OpsSSale−9.63K$125.72−$1.21M−13.9%59.7K after2 lots
Feb 13, 2023 (view filing)Feb 13Same dayKeithley Joseph PDirectorSSale−6.00K$124.52−$747.1K−31.0%13.4K after2 lots
Feb 13, 2023 (view filing)Feb 13Same dayFallon Lynnette CExecutive VP, HR/LegalSSale−3.53K$127.67−$450.8K−7.4%44.2K after
Feb 13, 2023 (view filing)Feb 13Same daySt Dennis ThomasDirectorSSale−12.0K$127.02−$1.52M−53.0%10.6K after
Feb 14, 2023 (view filing)Feb 113 daysLateChiu Tzu YinDirectorSSale−1.70K$127.12−$216.1K−5.6%28.9K after
May 9, 2023 (view filing)May 9Same dayChiu Tzu YinDirectorSSale−10.0K$118.50−$1.19M−34.6%18.9K after
May 10, 2023 (view filing)May 10Same dayLawson Douglas A.EVP, Corporate Mktg & StrategySSale−5.73K$122.00−$699.5K−14.0%35.2K after