ADVENT TECHNOLOGIES HOLDINGS, INC.

ADNH · OTC · SIC 3690: Miscellaneous Electrical Machinery, Equipment & Supplies
163
SEC Filings

Business Summary

. Overview We are an advanced materials and technology development company operating in the fuel cell and hydrogen technology space, including liquid hydrogen carriers such as methanol. We are a world-leading company in the development of HT-PEM (High Temperature Proton Exchange Membrane) technology (with approximately 150 patents issued, pending, or licensed worldwide). The HT-PEM fuel cell technology enables off-grid power systems to produce clean power from various green fuels (hydrogen, meth...

Next Earnings

Q2 FY2026 — expected 2026-09-10

Key Facts from Earnings Calls

TypeSubjectDetailQuarter
topic_mentionADNHdiscussed_in_filing Cybersecurity
topic_mentionADNHdiscussed_in_filing Trusted Computing
topic_mentionADNHdiscussed_in_filing Blockchain & Crypto
topic_mentionADNHdiscussed_in_filing Autonomous Vehicles
topic_mentionADNHdiscussed_in_filing Regulation
topic_mentionADNHdiscussed_in_filing Automotive
topic_mentionADNHdiscussed_in_filing Platform & Ecosystem
topic_mentionADNHdiscussed_in_filing Sovereign & Government
topic_mentionADNHdiscussed_in_filing Cybersecurity
topic_mentionADNHdiscussed_in_filing Trusted Computing
topic_mentionADNHdiscussed_in_filing Blockchain & Crypto
topic_mentionADNHdiscussed_in_filing Autonomous Vehicles
topic_mentionADNHdiscussed_in_filing Regulation
topic_mentionADNHdiscussed_in_filing Automotive
topic_mentionADNHdiscussed_in_filing Platform & Ecosystem
topic_mentionADNHdiscussed_in_filing Sovereign & Government
topic_mentionADNHdiscussed_in_filing Cybersecurity
topic_mentionADNHdiscussed_in_filing Trusted Computing
topic_mentionADNHdiscussed_in_filing Blockchain & Crypto
topic_mentionADNHdiscussed_in_filing Autonomous Vehicles

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2025-06-062024-12-310001829126-25-004289EDGAR91K words
2024-08-132023-12-310001829126-24-005453EDGAR—
2023-03-312022-12-310001829126-23-002501EDGAR—
2022-03-312021-12-310001140361-22-012369EDGAR—
2021-03-262020-12-310001140361-21-010321EDGAR—
2020-03-272019-12-310001140361-20-007211EDGAR—
2019-04-012018-12-310001140361-19-006224EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2025-11-172025-09-300001829126-25-009258EDGAR39K words
2025-08-122025-06-300001829126-25-006102EDGAR—
2025-06-302025-03-310001829126-25-004811EDGAR—
2024-12-272024-09-300001829126-24-008577EDGAR—
2024-10-152024-06-300001829126-24-006792EDGAR—
2024-10-152024-03-310001829126-24-006791EDGAR—
2023-11-142023-09-300001829126-23-007376EDGAR—
2023-08-142023-06-300001829126-23-005383EDGAR—
2023-05-152023-03-310001829126-23-003422EDGAR—
2022-11-142022-09-300001829126-22-019214EDGAR—
2022-08-092022-06-300001829126-22-015583EDGAR—
2022-05-122022-03-310001140361-22-018829EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-01-150001829126-26-000309EDGAR2K words
2025-11-100001829126-25-008952EDGAR—
2025-11-030001829126-25-008803EDGAR—
2025-10-290001829126-25-008497EDGAR—
2025-10-220001829126-25-008326EDGAR—
2025-09-120001829126-25-007376EDGAR—
2025-09-040001829126-25-007169EDGAR—
2025-08-220001829126-25-006667EDGAR—
2025-08-180001829126-25-006402EDGAR—
2025-08-120001829126-25-006101EDGAR—

163 total filings indexed. 134 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AUSI — AURA SYSTEMS INC AMPX — Amprius Technologies, Inc. ATKR — Atkore Inc. BEEM — Beam Global BLNK — Blink Charging Co. BYRN — Byrna Technologies Inc. CBAT — CBAK Energy Technology, Inc. CGCT — Cartesian Growth Corp III

Company Identity

CIK0001744494
TickerADNH
ExchangeOTC
SIC3690: Miscellaneous Electrical Machinery, Equipment & Supplies
IncorporatedDE

Get More Data

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JSON Profile Stock Quote AI Readiness Report
Origin Provenance
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signed: 2026-04-13T04:43:28.297Z
sources: 19 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf