Para quem considera isso importante, a empresa possui apenas uma classe de ação ordinária:
"The aggregate market value of the voting stock held by non-affiliates of the registrant, based upon the closing price of said stock on the New York Stock Exchange – Composite Transaction Listing on June 30, 2017 ($204.53 per share), was $3,199,077,660
At February 15, 2018, 16,161,250 shares of Chemed Capital Stock (par value $1 per share) were outstanding."
https://www.sec.gov/Archives/edgar/data/19584/000115752318000411/a51760920.htm