The Company's statement on Pramaggiore's retirement offered no reason for her departure, but analysts following the Company came to the conclusion that the criminal subpoenas and Pramaggiore's abrupt resignation were related. On this news, Exelon's stock price fell $2.15 per share, or 4.57%, to close at $44.91 per share on October 16, 2019. Then, on October 31, 2019, during intraday trading, Exelon filed a Quarterly Report on Form 10-Q with the SEC, disclosing that "[o]n October 22, 2019, the SEC notified Exelon and ComEd that it has also opened an investigation into their lobbying activities." On this news, Exelon's stock price fell $1.17 per share, or 2.51%, to close at $45.49 per share on October 31, 2019. Finally, on November 1, 2019, after the market opened, the Chicago Tribune reported that "[a] source with knowledge of the case in Chicago " confirmed that "Pramaggiore is one focus of the ongoing federal investigation."