UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2022 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 001-12488 Powell Industries, Inc. (Exact name of registrant as specified in its charter) Delaware 88-0106100 (State or other juri ...

Powell Industries, Inc. (NASDAQ:POWL) Q1 2023 Earnings Conference Call February 1, 2023 11:00 AM ET Company Participants Ryan Coleman - Alpha IR Group Brett Cope - President and Chief Executive Officer Michael Metcalf - Executive Vice President, Chief Financial Officer, Secretary, and Treasurer Conference Call Participants John Franzreb - Sidoti & Company Jon Braatz - Kansas City Capital Operator Welcome to the Powell Industries Earnings Conference Call. [Operator Instructions]. Please also note this event ...