Shearman & Sterling’s marketing department deposited nary a word on the firm’s website when the Trump administration announced last month that Robert Evans, a firm partner at the time, would become deputy of the Securities and Exchange Commission’s division of corporate finance.

Previously, when the Trump White House tapped William Hinman, a retired Simpson Thacher & Bartlett partner, to serve as the director of the SEC’s corporate finance division, that firm, too, kept quiet.