Blackstone Mortgage Trust CEO Sells Shares Amid High Stock Performance Katharine Keenan, CEO of Blackstone Mortgage Trust, sold $47,912 worth of shares on March 17, 2025, under a pre-established trading plan. The stock, nearing its 52-week high, has shown a 19.76% year-to-date return. Analysts expect profitability this year, while the company continues to offer a robust dividend yield of over 9%.12