Arthur J. Gallagher & Company v. Great American E&S Insurance Company

IN THE UNITED STATES DISTRICT COURT FOR THE NORTHERN DISTRICT OF ILLINOIS EASTERN DIVISION ARTHUR J. GALLAGHER & CO., ) et al., ) ) Plaintiffs, ) ) vs. ) Case No. 25 C 4474 ) GREAT AMERICAN E&S ) INSURANCE CO., ) ) Defendant. ) MEMORANDUM OPINION AND ORDER MATTHEW F. KENNELLY, District Judge: Arthur J. Gallagher & Co. and several related entities (collectively Gallagher) have filed suit against Great American Insurance Company. The suit concerns an arbitration proceeding before the American Arbitration Association between Great American and UMB Bank, N.A. At Great American's request, the…