Advent Technologies Holdings ADNH SEC Filings

OTC ADNH
$0.00 +0.00 (+0.00%)
At close: Oct 14, 2026 · 4:00 PM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Advent Technologies Holdings, Inc. (ADNH) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
18-KCurrent Report0001829126-26-007750Jul 22, 2026 8:36 PM
28-KCurrent Report0001829126-26-005363May 15, 2026 8:42 PM
3NT 10-KQuarterly & Annual Report0001829126-26-002882Mar 31, 2026 8:45 AM
4NT 10-KQuarterly & Annual Report0001829126-26-002882Mar 31, 2026 8:45 AM
5NT 10-KQuarterly & Annual Report0001829126-26-002882Mar 31, 2026 8:45 AM
625-NSEOthers0001354457-26-000064Jan 21, 2026 3:05 PM
725-NSEOthers0001354457-26-000062Jan 21, 2026 3:02 PM
88-KCurrent Report0001829126-26-000309Jan 15, 2026 5:39 PM
910-QQuarterly & Annual Report0001829126-25-009258Nov 17, 2025 4:35 PM
10NT 10-QQuarterly & Annual Report0001829126-25-009230Nov 14, 2025 5:11 PM
118-KCurrent Report0001829126-25-008952Nov 10, 2025 11:51 AM
128-KCurrent Report0001829126-25-008803Nov 3, 2025 2:49 PM
138-KCurrent Report0001829126-25-008497Oct 29, 2025 6:00 AM
148-KCurrent Report0001829126-25-008326Oct 22, 2025 12:41 PM
15DEF 14AOthers0001829126-25-007733Sep 30, 2025 7:49 PM
168-KCurrent Report0001829126-25-007376Sep 12, 2025 5:30 PM
178-KCurrent Report0001829126-25-007169Sep 4, 2025 5:02 PM
18EFFECTOthers9999999995-25-002763Aug 27, 2025 12:15 AM
19424B3Prospectus0001829126-25-006762Aug 27, 2025 9:23 AM
20CORRESPOthers0001829126-25-006680Aug 25, 2025 9:04 AM
21UPLOADOthers0000000000-25-009038Aug 25, 2025 8:36 AM
228-KCurrent Report0001829126-25-006667Aug 22, 2025 4:34 PM
23S-1Prospectus0001829126-25-006432Aug 18, 2025 1:01 PM
248-KCurrent Report0001829126-25-006402Aug 18, 2025 8:36 AM
2510-QQuarterly & Annual Report0001829126-25-006102Aug 12, 2025 2:08 PM
268-KCurrent Report0001829126-25-006101Aug 12, 2025 1:59 PM
278-KCurrent Report0001829126-25-005927Aug 7, 2025 4:57 PM
28S-8Prospectus0001829126-25-005159Jul 18, 2025 4:51 PM
298-KCurrent Report0001829126-25-004892Jul 3, 2025 3:35 PM
3010-QQuarterly & Annual Report0001829126-25-004811Jun 30, 2025 5:15 PM
3110-KQuarterly & Annual Report0001829126-25-004289Jun 6, 2025 1:16 PM
328-KCurrent Report0001829126-25-003930May 27, 2025 5:39 PM
33NT 10-QQuarterly & Annual Report0001829126-25-003647May 14, 2025 1:14 PM
348-KCurrent Report0001829126-25-002729Apr 17, 2025 8:20 PM
358-KCurrent Report0001829126-25-002674Apr 15, 2025 3:35 PM
364Insider Transaction0001829126-25-002320Apr 2, 2025 2:16 PM
374Insider Transaction0001829126-25-002320Apr 2, 2025 2:16 PM
384Insider Transaction0001829126-25-002320Apr 2, 2025 2:16 PM
393Insider Transaction0001829126-25-002319Apr 2, 2025 2:15 PM
403Insider Transaction0001829126-25-002319Apr 2, 2025 2:15 PM
413Insider Transaction0001829126-25-002319Apr 2, 2025 2:15 PM
42NT 10-KQuarterly & Annual Report0001829126-25-002209Mar 31, 2025 3:55 PM
433Insider Transaction0001829126-25-001722Mar 11, 2025 5:56 PM
443Insider Transaction0001829126-25-001722Mar 11, 2025 5:56 PM
453Insider Transaction0001829126-25-001722Mar 11, 2025 5:56 PM
463Insider Transaction0001829126-25-001721Mar 11, 2025 5:55 PM
473Insider Transaction0001829126-25-001721Mar 11, 2025 5:55 PM
483Insider Transaction0001829126-25-001721Mar 11, 2025 5:55 PM
493Insider Transaction0001829126-25-001720Mar 11, 2025 5:55 PM
503Insider Transaction0001829126-25-001719Mar 11, 2025 5:55 PM
...

Advent Technologies Holdings, Inc. SEC Filings API

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