(marketscreener.com) 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 ...https://www.marketscreener.com/quote/stock/ALLEGHANY-CORPORATION-14985/news/Alleghany-Termination-of-Material-Agreement-Form-8-K-42041738/?utm_medium=RSS&utm_content=20221019