Hallador Energy pany(HNRG) - 2020 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, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number:001‑34743 "COAL KEEPS YOUR LIGHTS ON" "COAL KEEPS YOUR LIGHTS ON" HALLADOR ENERGY COMPANY (www.halladorenergy.com) Colorado (State of incorporation) 84-10146 ...