Source-grounded facts extracted from ADVENT TECHNOLOGIES HOLDINGS, INC.'s SEC 8-K filings across all families, newest first. Each cites a verbatim SEC excerpt.
ADVENT TECHNOLOGIES HOLDINGS, INC. entered into Secured Promissory Note with Chris Antonopoulos valued at CHF 500,000 (effective 2026-01-08).
“On January 8, 2026, Advent Technologies Holdings, Inc. (the “Company”) entered into a Secured Promissory Note in the aggregate principal amount of CHF 500,000 (the “Promissory Note”) with Chris Antonopoulos (the “Lender”)”
ADVENT TECHNOLOGIES HOLDINGS, INC. received a nasdaq delisting notice notice regarding other (rules 5550(b)(1)).
“October 28, 2025, Advent Technologies Holdings, Inc. (the “Company”) received a notice (the “Notice”) from The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that, due to the Company’s failure to comply with Nasdaq Listing Rule 5550(b)(1), Nasdaq determined to (a) commence proceedings to delist the Company’s common stock, par value $0.0001 per share (“Common Stock”) and the Company’s warrants to purchase one share of common stock, each at an exercise price of $345.00 (the “Public Warrants” and, together with the Common Stock, the “Securities”) and (b) suspend trading in the Securitie”
ADVENT TECHNOLOGIES HOLDINGS, INC. received a nasdaq delisting notice notice regarding stockholders equity (rules 5550(b)(1)).
“October 28, 2025, Advent Technologies Holdings, Inc. (the “Company”) received a notice (the “Notice”) from The Nasdaq Stock Market LLC (“Nasdaq”) notifying the Company that, due to the Company’s failure to comply with Nasdaq Listing Rule 5550(b)(1), Nasdaq determined to (a) commence proceedings to delist the Company’s common stock, par value $0.0001 per share (“Common Stock”) and the Company’s warrants to purchase one share of common stock, each at an exercise price of $345.00 (the “Public Warrants” and, together with the Common Stock, the “Securities”) and (b) suspend trading in the Securitie”
ADVENT TECHNOLOGIES HOLDINGS, INC. received a nasdaq delisting notice notice regarding stockholders equity (rules 5550(b)(1)).
“d Listing Rule or Standard; Transfer of Listing. As previously disclosed, on October 18, 2024, Advent Technologies Holdings, Inc. (the “Company”) was notified by the Listing Qualifications Department (the “Staff”) of the Nasdaq Stock Market (“Nasdaq”) that it was out of compliance with Listing Rule 5550(b)(1), which requires that the Company maintain stockholders’ equity of at least $2,500,000 for continued listing (the “Rule”), or to meet the alternatives of market value of listed securities or net income from continuing operations. The Staff previously granted the Company an exception to reg”
Joseph P. Celia was appointed as Class II Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“Effective as of November 4, 2024, Advent Technologies Holdings, Inc. (the “Company”) appointed Messrs. Seth M. Lukash and Joseph P. Celia to the Company’s Board of Directors as Class II directors.”
Seth M. Lukash was appointed as Class II Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“Effective as of November 4, 2024, Advent Technologies Holdings, Inc. (the “Company”) appointed Messrs. Seth M. Lukash and Joseph P. Celia to the Company’s Board of Directors as Class II directors.”
Christos Kaskavelis was terminated as Chief Strategy Officer at ADVENT TECHNOLOGIES HOLDINGS, INC..
“approved the termination of the employment of Christos Kaskavelis, Chief Strategy Officer of the Company, for cause, effective immediately.”
Gary Herman was appointed as Interim Chief Executive Officer at ADVENT TECHNOLOGIES HOLDINGS, INC..
“the Company’s board of directors appointed Mr. Gary Herman, who is currently serving as the Company’s Class I Director, to the additional role of interim chief executive officer, effective immediately”
Vassilios Gregoriou was terminated as Chief Executive Officer, Acting Chief Financial Officer at ADVENT TECHNOLOGIES HOLDINGS, INC..
“On October 24, 2024, the Board of Directors (the “Board”) of Advent Technologies Holdings, Inc. (the “Company”) approved the termination of the employment of Vassilios Gregoriou, the Chief Executive Officer, Acting Chief Financial Officer, for cause, effective immediately.”
Avtar Dhaliwal was appointed as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“the Company’s Board of Directors appointed Gary Herman as a Class I Director and Marc Seelenfreund and Avtar Dhaliwal as Class II directors.”
Marc Seelenfreund was appointed as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“the Company’s Board of Directors appointed Gary Herman as a Class I Director and Marc Seelenfreund and Avtar Dhaliwal as Class II directors.”
Gary Herman was appointed as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“the Company’s Board of Directors appointed Gary Herman as a Class I Director and Marc Seelenfreund and Avtar Dhaliwal as Class II directors.”
Anggelos Skutaris resigned as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“each of Nora Goudroupi, Wayne Threatt, Von McConnell, Larry Epstein and Anggelos Skutaris resigned as directors of the Company”
Larry Epstein resigned as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“each of Nora Goudroupi, Wayne Threatt, Von McConnell, Larry Epstein and Anggelos Skutaris resigned as directors of the Company”
Von McConnell resigned as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“each of Nora Goudroupi, Wayne Threatt, Von McConnell, Larry Epstein and Anggelos Skutaris resigned as directors of the Company”
Wayne Threatt resigned as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“each of Nora Goudroupi, Wayne Threatt, Von McConnell, Larry Epstein and Anggelos Skutaris resigned as directors of the Company”
Nora Goudroupi resigned as Director at ADVENT TECHNOLOGIES HOLDINGS, INC..
“each of Nora Goudroupi, Wayne Threatt, Von McConnell, Larry Epstein and Anggelos Skutaris resigned as directors of the Company”
ADVENT TECHNOLOGIES HOLDINGS, INC.: Filed Certificate of Amendment to effect a 1-for-30 reverse stock split of common stock (effective 2024-05-13).
“On May 13, 2024, Advent Technologies Holdings, Inc. (the “Company”) filed a Certificate of Amendment (the “Certificate of Amendment”) to the Company’s Second Amended and Restated Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware to effect a 1-for-30 reverse stock split (the “Reverse Stock Split”) of the Company’s common stock, par value $0.0001 per share (“Common Stock”).”
ADVENT TECHNOLOGIES HOLDINGS, INC. shareholders approved To approve an amendment to the Company’s 2021 Equity Incentive Plan to increase the number of shares of Common Stock issuable under the Plan from 6,915,892 to 17,079,188 at the 2024-04-29 meeting.
“Votes For Votes Against Abstentions 15,673,164 4,327,892 65,965”
ADVENT TECHNOLOGIES HOLDINGS, INC. shareholders approved To approve an amendment to the Company’s Second Amended and Restated Certificate of Incorporation to effect a reverse stock split at a ratio in the range of 1-for-2 to 1-for-30 at the 2024-04-29 meeting.
“Votes For Votes Against Abstentions 30,061,928 3,125,713 33,801”
ADVENT TECHNOLOGIES HOLDINGS, INC. received a nasdaq deficiency notice notice regarding late filing (rules 5250(c)(1)).
“April 17, 2024, Advent Technologies Holdings, Inc. (the “Company”) received a letter (the “Letter”) from the Listing Qualifications Department of the Nasdaq Stock Market (“Nasdaq”) notifying the Company that it is not in compliance with periodic requirements for continued listing set forth in Nasdaq Listing Rule 5250(c)(1) because the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2023 (the “2023 Form 10-K”) was not filed with the Securities and Exchange Commission by the required due date of March 31, 2024. This Letter received from Nasdaq has no immediate effect”
Naiem Hussain resigned as Chief Financial Officer at ADVENT TECHNOLOGIES HOLDINGS, INC..
“accepted the resignation of Naiem Hussain, Chief Financial Officer ("CFO") from his positions at the Company, effective at close of business on March 11, 2024.”
Facts are extracted by an LLM and gated to those whose source quote is present verbatim in the filing text. Coverage is best-effort while backfill and monitoring mature; this is not yet a full-market index. See methodology.