ADVENT TECHNOLOGIES HOLDINGS, INC. — DEF 14A Filings
9 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by ADVENT TECHNOLOGIES HOLDINGS, INC. (ADNH), sorted by most recent first. Each row links to the full filing on EdgarLookup. ADVENT TECHNOLOGIES HOLDINGS, INC. has filed 9 DEF 14A documents with the SEC since 2018. To view all SEC filings by ADVENT TECHNOLOGIES HOLDINGS, INC., see the full filings list.
All
10-K
10-K/A
10-Q
25-NSE
3
4
4/A
424B3
424B4
424B5
425
8-A12B
8-K
8-K/A
CERT
CORRESP
DEF 14A
DEFA14A
DRS
DRS/A
DRSLTR
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
RW
S-1
S-1/A
S-3
S-4
S-4/A
S-8
SC 13D
SC 13G
SC 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001829126-25-007733 | Sep 30, 2025 | Oct 22, 2025 |
| DEF 14A | DEF 14A | 0001829126-24-008194 | Dec 10, 2024 | Dec 31, 2024 |
| DEF 14A | DEF 14A | 0001829126-24-001991 | Mar 29, 2024 | Apr 29, 2024 |
| DEF 14A | DEF 14A | 0001829126-23-002903 | Apr 25, 2023 | Jun 13, 2023 |
| DEF 14A | DEF 14A | 0001140361-22-015905 | Apr 26, 2022 | Jun 8, 2022 |
| DEF 14A | DEF 14A | 0001140361-21-012945 | Apr 15, 2021 | May 20, 2021 |
| DEF 14A | DEF 14A | 0001140361-20-022147 | Oct 1, 2020 | Oct 16, 2020 |
| DEF 14A | DEF 14A | 0001140361-20-009865 | Apr 28, 2020 | May 15, 2020 |
| DEF 14A | DEF 14A | 0001140361-19-021709 | Nov 29, 2019 | Dec 16, 2019 |