Gibraltar Industries(ROCK) - 2021 Q1 - Quarterly Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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, 2021 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 0-22462 GIBRALTAR INDUSTRIES, INC. 3556 Lake Shore Road P.O. Box 2028 Buffalo New York 14219-0228 (Address of principal execu ...