Limbach(LMB) - 2021 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-36541 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 1251 Waterfront Place, Suite 201 Pittsburgh, Pennsylvania 15222 (Address ...