Mark Delong, Chief Business & Strategy Officer of Apellis Pharmaceuticals Inc (NASDAQ:APLS), has sold 9,913 shares of the company on March 18, 2024. The transaction was executed at an average price of $56.9 per share, resulting in a total value of $564,029.70. In the past year, the insider has sold 14,023 shares and has not made any purchases of the stock.