Dennis Chookaszian

Companies

• Career Education CorporationBoard member May 22, 2006 to now¹
• CME GroupBoard member Feb 21, 2006 to Jun 29, 2022²
• PILLARSTONE CAPITAL REITBoard member Apr 1, 2019 to Dec 17, 2021³
• Maxar Technologies Inc.Board member Jan 10, 2019 to Jan 10, 2019⁴
• Veradigm Inc.Board member Sep 24, 2010 to Jun 1, 2015⁵
• LoopNetBoard member Jul 27, 2006 to Apr 30, 2012⁶

Holdings

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

Shares held

• CECareer Education Corporation PRDO149,570 shares⁷$5.0M at $33.65May 26, 2026
• CME Group CME17,040 shares⁸$5.0M at $293.63Jun 29, 2022
• PCPILLARSTONE CAPITAL REIT117,651 shares⁹Dec 13, 2021

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

Recent filings

• May 21, 2026Granted 3,987 shares of Career Education Corporation⁷
• Mar 12, 2026Exercised options 21,129 shares at $5.96 of Career Education Corporation¹⁰
• May 22, 2025Granted 5,155 shares of Career Education Corporation¹¹
• Mar 6, 2025Exercised options 26,664 shares at $3.93 of Career Education Corporation¹²
• May 23, 2024Granted 6,256 shares of Career Education Corporation¹³
• May 25, 2023Granted 7,827 shares of Career Education Corporation¹⁴
• Mar 14, 2023Exercised options 16,000 shares at $2.82 of Career Education Corporation¹⁵
• Jun 27, 2022Granted 693 shares at $209.44 of CME Group⁸
• May 26, 2022Granted 9,050 shares of Career Education Corporation¹⁶
• Mar 7, 2022Exercised options 16,000 shares at $6.51 of Career Education Corporation¹⁷
• Jan 25, 2022Granted 47 shares of CME Group¹⁸
• Dec 13, 2021Granted 22,900 shares of PILLARSTONE CAPITAL REIT⁹