John T. Kurtzweil

Companies

• Axcelis TechnologiesBoard member May 13, 2015 to now¹
• SkyWater Technology, LLCBoard member Apr 20, 2021 to Jun 14, 2023²
• ATECH (PARENT) RESOLUTION CORP.Chief financial officer Sep 29, 2017 to Oct 1, 2018³
• ATECH (PARENT) RESOLUTION CORP.Board member Mar 10, 2017 to Mar 10, 2017⁴
• Meru NetworksBoard member May 20, 2015 to Jul 10, 2015⁵
• Extreme NetworksChief financial officer Jul 2, 2012 to May 15, 2014⁶
• WolfspeedChief financial officer Sep 29, 2006 to Sep 2, 2011⁷
• Cirrus LogicChief financial officer Mar 3, 2006 to Mar 3, 2006⁸

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Axcelis Technologies ACLS32,990 shares⁹$3.7M at $111.93May 19, 2026
• STSkyWater Technology, LLC28,097 shares¹⁰Jun 12, 2023

As of each latest filing. The line shows shares held over time.

Recent filings

• May 19, 2026Sold 3,500 shares at $138.79 of Axcelis Technologies⁹
• May 15, 2026Granted 1,440 shares of Axcelis Technologies¹¹
• May 20, 2025Sold 1,682 shares at $61.93 of Axcelis Technologies¹²
• May 15, 2025Granted 3,586 shares of Axcelis Technologies¹³
• May 20, 2024Sold 1,200 shares at $114.42 of Axcelis Technologies¹⁴
• May 15, 2024Granted 1,662 shares of Axcelis Technologies¹⁵
• May 15, 2024Granted 1,162 shares of Axcelis Technologies¹⁶
• Jun 12, 2023Sold 7,447 shares at $9.50 of SkyWater Technology, LLC¹⁰
• Jun 7, 2023Granted 10,060 shares of SkyWater Technology, LLC¹⁷
• May 18, 2023Sold 2,689 shares at $138.69 of Axcelis Technologies¹⁸
• May 15, 2023Granted 1,282 shares of Axcelis Technologies¹⁹
• Dec 8, 2022Sold 3,037 shares at $78.42 of Axcelis Technologies²⁰
• Jun 1, 2022Granted 14,947 shares of SkyWater Technology, LLC²¹
• May 16, 2022Granted 2,689 shares of Axcelis Technologies²²
• Nov 22, 2021Sold 3,497 shares at $64.58 of Axcelis Technologies²³