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ADNWW   ADVENT TECHNOLOGIES HOLDINGS, INC.   |  1744494

Available Fillings Total Fillings:342
Form Type Form Count
8-K 81
NT 10-Q 6
NT 10-K 3
UPLOAD 6
10-Q 19
CORRESP 8
S-8 1
RW 1
8-A12B 1
SC 13D 2
425 6
SC 13G 14
POS AM 2
8-K/A 8
S-4 2
DRSLTR 1
DRS 1
4/A 6
10-K 6
S-1/A 2
CERT 1
SC 13G/A 21
424B5 4
DEFA14A 9
424B3 31
25-NSE 1
424B4 1
DRS/A 1
3 25
DEF 14A 8
4 46
EFFECT 7
S-1 3
10-K/A 1
S-4/A 2
PRE 14A 4
S-3 1
Financials Total:115
Form Type Act Filing Date Report Date Action
10-Q 34 06/30/2025 03/31/2025 |    |  
10-K 34 06/06/2025 12/31/2024 |    |  
8-K 34 04/15/2025 04/15/2025 |    |  
10-Q 34 12/27/2024 09/30/2024 |    |  
8-K/A 34 12/18/2024 10/24/2024
8-K 34 10/29/2024 10/29/2024 |    |  
8-K 34 10/24/2024 10/24/2024 |    |  
8-K 34 10/23/2024 10/18/2024 |    |  
10-Q 34 10/15/2024 06/30/2024 |    |  
10-Q 34 10/15/2024 03/31/2024 |    |  
Ipos Total:18
Form Type Act Filing Date Report Date Action
CORRESP 04/28/2023 07/01/2025
UPLOAD 04/27/2023 07/01/2025
S-3 33 04/21/2023 07/01/2025
CORRESP 04/26/2022 07/01/2025
UPLOAD 04/26/2022 07/01/2025
S-1 33 04/21/2022 07/01/2025
CORRESP 03/26/2021 07/01/2025
UPLOAD 02/18/2021 07/01/2025
S-1 33 02/16/2021 07/01/2025
CORRESP 01/15/2021 07/01/2025
Form Type Act Filing Date Report Date Action
4 04/02/2025 12/31/2024
3 04/02/2025 08/30/2024
4 02/20/2024 02/15/2024
3 02/12/2024 02/02/2024
4 09/08/2023 09/06/2023
4 09/08/2023 09/06/2023
4/A 04/28/2023 02/06/2023
4 04/14/2023 01/12/2023
4/A 04/14/2023 06/11/2021
4/A 04/14/2023 02/06/2023
Form Type Act Filing Date Report Date Action
DEF 14A 34 12/10/2024 12/31/2024
DEF 14A 34 03/29/2024 04/29/2024
DEF 14A 34 04/25/2023 06/13/2023
SC 13G 34 02/09/2023 07/01/2025
DEF 14A 34 04/26/2022 06/08/2022
SC 13G 34 02/14/2022 07/01/2025
SC 13G 34 01/31/2022 07/01/2025
SC 13G 34 09/09/2021 07/01/2025
DEF 14A 34 04/15/2021 05/20/2021
SC 13D 34 02/16/2021 07/01/2025
Form Type Act Filing Date Report Date Action
8-K 34 04/15/2025 04/15/2025 |    |  
8-K 34 10/29/2024 10/29/2024 |    |  
8-K 34 10/24/2024 10/24/2024 |    |  
8-K 34 10/23/2024 10/18/2024 |    |  
8-K 34 09/20/2024 09/16/2024 |    |  
8-K 34 08/22/2024 08/16/2024 |    |  
8-K 34 08/20/2024 08/20/2024 |    |  
8-K 34 08/05/2024 07/30/2024 |    |  
8-K 34 07/25/2024 07/25/2024 |    |  
8-K 34 05/29/2024 05/24/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 12/10/2024 12/31/2024
DEF 14A 34 03/29/2024 04/29/2024
PRE 14A 34 03/18/2024 03/18/2024
DEF 14A 34 04/25/2023 06/13/2023
PRE 14A 34 04/13/2023 04/13/2023
DEF 14A 34 04/26/2022 06/08/2022
DEF 14A 34 04/15/2021 05/20/2021
DEF 14A 34 10/01/2020 10/16/2020
PRE 14A 34 09/18/2020 09/18/2020
DEF 14A 34 04/28/2020 05/15/2020
Form Type Act Filing Date Report Date Action
S-1 33 04/21/2022 07/01/2025
S-1/A 33 03/26/2021 07/01/2025
S-1 33 02/16/2021 07/01/2025
S-1/A 33 11/09/2018 07/01/2025
S-1 33 10/25/2018 07/01/2025