Patrick M. Antkowiak

Companies

• Aspen Technology, Inc.Board member May 17, 2022 to Mar 13, 2025¹
• Northrop Grumman CorporationCorp VP & CTO Nov 25, 2014 to May 22, 2019²

Holdings

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

Shares held

• ATAspen Technology, Inc.0 shares³Mar 12, 2025

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

Recent filings

• Mar 12, 2025Returned to company 1,251 shares of Aspen Technology, Inc.³
• Mar 11, 2025Other 3,209 shares of Aspen Technology, Inc.³
• Jul 1, 2024Granted 1,196 shares of Aspen Technology, Inc.⁴
• Sep 1, 2023Granted 1,252 shares of Aspen Technology, Inc.⁵
• Sep 1, 2023Granted 1,252 shares of Aspen Technology, Inc.⁶
• Sep 1, 2023Granted 1,252 shares of Aspen Technology, Inc.⁵
• Sep 1, 2023Granted 1,252 shares of Aspen Technology, Inc.⁶
• Sep 1, 2022Granted 90 shares of Aspen Technology, Inc.⁷
• May 23, 2022Granted 670 shares of Aspen Technology, Inc.⁸