UPDATE, 4/2/2013, 9:40 a.m. EST: Additional details about the 11 lawyers joining Sidley Austin from Bingham McCutchen, including a full list of names, have been added to the second and third paragraphs below.

Three years after joining Bingham McCutchen upon stepping down as FINRA’s enforcement chief, the firm’s securities enforcement practice head Susan Merrill and 10 other Bingham partners are decamping to Sidley Austin in New York.