A large shareholder decided to sell off shares in a public offering -- curious for a stock that seems this cheap. Shares of Fidelis Insurance Holdings (FIHL 0.15%) were falling this week, down 12% through Thursday trading, according to data from S&P Global Market Intelligence. This week's move was likely due to the company announcing a secondary stock offering to the public. But the sale isn't a dilutive equity raise; rather, the offering is by current large shareholders of the newly public stock. Public co ...