Ryerson(RYI) - 2022 Q1 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number 001-34735 RYERSON HOLDING CORPORATION Washington, D.C. 20549 (Exact name of registrant as specified in its charter) FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 (State or other jurisdiction of incorporation or ...