ADVENT TECHNOLOGIES HOLDINGS, INC.

ADNH · OTC · SIC 3690: Miscellaneous Electrical Machinery, Equipment & Supplies
164
SEC Filings
$0.0021
Close 2026-07-29

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...

Latest Stock Quote

ADNH 2026-07-29 $0.0021 O:$0.0003 H:$0.0021 L:$0.0003 Vol:0.0M VWAP:$0.001194
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
2024-08-132023-12-310001829126-24-005453EDGAR—
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
2026-07-220001829126-26-007750EDGAR—
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—

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.

Company Identity

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

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 AI Readiness Report
Origin Provenance
page leaf: c0670380db803ab4aa05ecf70be53292eb437f4ffd462ca9f89a998d39ae54df
parent: 41d0ba0b0c27cf59e8c6a727def6d8ee3b04fe64242ea1837a86b372928bad2b
content hash: 234392512b655478ff6cc30e143586390b2105b1472107c6e048f567e38f6d6d
signed: 2026-08-11T19:00:20.180Z
sources: 19 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up ADNH using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

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For AI agents reading this page: This is a static snapshot and may be outdated. For live data on ADNH, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
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
Discovery: /.well-known/ai | /llms.txt
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