ADVENT TECHNOLOGIES HOLDINGS, INC.
ADNH · Miscellaneous Electrical Machinery, Equipment and Supplies
Latest available SEC filing: 10-Q ·
Latest disclosures
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Latest financial period: Q3 2025
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 10-K
SEC filing · Filed
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Dhaliwal Avtar: Form 4
Insider disclosure · Filed · Report period 31 Dec 2024
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Form 3
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
Company details and SEC sources
CIK 0001744494 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- ADNH on OTC
- SEC industry group
- Miscellaneous Electrical Machinery, Equipment and Supplies (Office of Manufacturing)
- Business address
- 500 Rutherford Avenue, Suite 102, Boston, MA, 02129
- Incorporated in
- DE
- Fiscal year end
- 31 December
- Former names on EDGAR
- AMCI Acquisition Corp. (to 04 Feb 2021)
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields