Director Leonard W Cotton Acquires 1,831 Shares of Blackstone Mortgage Trust Class A Common Stock

Blackstone Mortgage Trust, Inc. director Leonard W Cotton acquired 1,831 shares of Class A Common Stock on July 15, 2026, through a dividend reinvestment mechanism. The shares were acquired at $17.12 per share, representing Class A Common Stock Units in lieu of dividends that convert to shares on a one-for-one basis. The acquisition was calculated based on the $0.47 per share dividend paid on July 15, 2026, divided by the closing stock price of $17.12. Following this transaction, Cotton now owns 98,827 shares of Class A Common Stock, which includes 106 shares acquired through participation in a dividend reinvestment plan since his last filing. The transaction was reported on Form 4 and filed on July 16, 2026.