ADVENT TECHNOLOGIES HOLDINGS, INC.

ADNH · OTC · SIC 3690: Miscellaneous Electrical Machinery, Equipment & Supplies
164
SEC Filings
$0.0032
Close 2026-09-21

Business Summary

Advent Technologies Holdings, Inc. is an advanced materials and technology development company specializing in High Temperature Proton Exchange Membrane (HT-PEM) fuel cell technology with approximately 150 patents issued, pending, or licensed worldwide. The company develops and manufactures Membrane Electrode Assemblies (MEAs) and fuel cell stacks for stationary power markets (backup, off-grid, portable) and heavy-duty mobility markets (automotive, aviation, marine), utilizing fuels including hydrogen, methanol, e-Methanol, and renewable natural gas. Revenue is derived from Joint Development Agreements and Technology Assessment Agreements with global OEMs.

Latest Stock Quote

ADNH 2026-09-21 $0.0032 O:$0.0032 H:$0.0032 L:$0.0032 Vol:0.0M VWAP:$0.001908
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-10

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2025-06-062024-12-310001829126-25-004289EDGAR91K words
2024-08-132023-12-310001829126-24-005453EDGAR89K words
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
2025-08-122025-06-300001829126-25-006102EDGAR36K words
2025-06-302025-03-310001829126-25-004811EDGAR30K words
2024-12-272024-09-300001829126-24-008577EDGAR39K words
2024-10-152024-06-300001829126-24-006792EDGAR39K words
2024-10-152024-03-310001829126-24-006791EDGAR35K words
2023-11-142023-09-300001829126-23-007376EDGAR37K words
2023-08-142023-06-300001829126-23-005383EDGAR37K words
2023-05-152023-03-310001829126-23-003422EDGAR27K words
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
2026-07-220001829126-26-007750EDGAR1K words
2026-01-150001829126-26-000309EDGAR2K words
2025-11-100001829126-25-008952EDGAR1K words
2025-11-030001829126-25-008803EDGAR1K words
2025-10-290001829126-25-008497EDGAR1K words
2025-10-220001829126-25-008326EDGAR1K words
2025-09-120001829126-25-007376EDGAR1K words
2025-09-040001829126-25-007169EDGAR18K words
2025-08-220001829126-25-006667EDGAR1K words
2025-08-180001829126-25-006402EDGAR12K words

164 total filings indexed. 135 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

AUSI — AURA SYSTEMS INC ADSE — Ads-Tec Energy Public Ltd Co AMPX — Amprius Technologies, Inc. ATKR — Atkore Inc. BEEM — Beam Global BLNK — Blink Charging Co. BYRN — Byrna Technologies Inc. CBAT — CBAK Energy Technology, Inc.

Tags

stationary-backup-power off-grid-power portable-power heavy-duty-automotive aviation marine telecommunications-infrastructure defense ht-pem-(high-temperature-proton-exchange-membrane) lt-pem-(low-temperature-proton-exchange-membrane) horizon-jti-cleanh2-2024-04-01

Company Identity

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

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 4c76f850c62cfa6855c2e679e3197e4f58c69f1d99d40fe9c5f046a80ed5334a
parent: 41d0ba0b0c27cf59e8c6a727def6d8ee3b04fe64242ea1837a86b372928bad2b
content hash: 3c0321146d3012dca0d1e6703ff65d8bb5cd4a6d28697736aa79307a4adf0eaa
signed: 2026-09-28T19:00:07.660Z
sources: 19 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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API: GET https://origin.rootz.global/api/company/ADNH (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
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