Advent Technologies Holdings, Inc. (NASDAQ:ADN) Q4 2022 Earnings Conference Call March 31, 2023 9:00 AM ET Company Participants Vasilis Gregoriou - Chairman and Chief Executive Officer Kevin Brackman - Chief Financial Officer Conference Call Participants Lacie Midgley - Panmure Gordon Operator Good morning, everyone. I will be your conference operator today. At this time, I would like to welcome everyone to Advent Technologies Fourth Quarter Earnings Conference Call. [Operator Instructions] On the call toda ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 Advent Technologies Holdings, Inc. (Exact name of Registrant as specified in its Charter) Delaware 001-38742 83-0982969 (State or other jurisdiction (Commission ...