Greenbrook TMS (GBNH) - 2023 Q4 - Annual Report

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark one) ☒ ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023. ☐ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-40199 GREENBROOK TMS INC. (Exact name of registrant as specified in its charter) Ontario 98-1512724 (State or other jurisdiction of incorporation or organization) ...