secwatch / observer
8-K filed January 15, 2026, 6:59 PM ET ticker ADNH CIK 0001744494
debt confidence high sentiment neutral materiality 0.55

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

ADVENT TECHNOLOGIES HOLDINGS, INC.

Key facts

Extracted from this filing and checked against the source text.

Equity Issuances SEC 8-K Item 3.02/3.03 confidence 0.88

ADVENT TECHNOLOGIES HOLDINGS, INC. issued convertible note to Chris Antonopoulos for CHF 500,000 principal amount of Secured Promissory Note.

Security
convertible note
Purchaser
Chris Antonopoulos
Consideration
CHF 500,000 principal amount of Secured Promissory Note
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”), with interest accruing at an annual rate of eight and one-half percent (8.5%) to be computed on the basis of a 365-day year and the actual number of days elapsed.
View on SEC.gov
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”)
View on SEC.gov

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ADVENT TECHNOLOGIES HOLDINGS, INC. filing history →

Source: SEC EDGAR
accession 0001829126-26-000309
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