The company filed an initial public offering ( IPO ) in May 2001 , and since this time it has operated as a publicly traded company .
When TXU acquired The Energy Group , Peabody was sold to Lehman Brothers Merchant Banking Partners .
The company filed an initial public offering ( IPO ) in May 2001 , and since this time Peabody has operated as a publicly traded company .
When TXU acquired The Energy Group , Peabody was sold to Lehman Brothers Merchant Banking Partners .