J. L. Bainbridge & Co. Inc., a wealth advisory firm, sold 258,492 shares of Delta Air Lines in the third quarter for an estimated $14.8 million. The sale was disclosed in a filing with the U.S. Securities and Exchange Commission released on Friday, October 17, 2025. Following the transaction, the advisory firm still holds 509,256 shares of Delta, valued at approximately $28.9 million. The sale comes as Delta's stock has risen about 8% over the past year, underperforming the S&P 500's 14% gain.