UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Delaware 47-3965991 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 191 Mason Street, Greenwich, CT 06830 (Address of principal executive offices) (Zip Code) Title of each class Trading Symbol Name of each exchange on which registered Class A Common Stock, par value $0.001 per share AC New York Stock Exchange FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIE ...