Advent Technologies secures CHF 500,000 secured note; appoints lender Chris Antonopoulos to board

ADVENT TECHNOLOGIES HOLDINGS, INC.

Secured promissory note of CHF 500,000 at 8.5% interest, due Jan 7, 2027; secured by all assets and IP.
Lender may convert principal and interest into common stock at avg of three lowest trade prices in prior 30 days.
Automatic conversion into common stock upon qualified financing of at least $25M gross proceeds.
Chris Antonopoulos appointed as Class II director until 2028 annual meeting; note includes most-favored-nation clause.
Proceeds to be used for working capital and to identify a financial advisor to secure long-term investment partner.

Key facts

Extracted from this filing and checked against the source text.

Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

ADVENT TECHNOLOGIES HOLDINGS, INC. entered into Secured Promissory Note with Chris Antonopoulos valued at CHF 500,000 (effective 2026-01-08).

Action: entry
Agreement: credit facility
Counterparty: Chris Antonopoulos
Value: CHF 500,000
Effective: 2026-01-08

Exact text from the filing

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”)

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ADVENT TECHNOLOGIES HOLDINGS, INC. filing history →

Source: SEC EDGAR

accession 0001829126-26-000309

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