Dec 31
Registration statement
S-4/A
Registration statement
ADNH · Advent Technologies Holdings, Inc. · Documents
$0.00
+0.00 (+200.00%)
At close · Nov 11
View the 10-K filed Jun 6, 2025
Return incl. dividend (before tax)
Play latest call
Q2 2022 earnings call transcript
Going-concern doubt
— flagged Nov 17, 2025
Substantial doubt about the company's ability to continue as a going concern.
“Because of the uncertainty in securing additional funding, delays in growth of revenue, failure to materialize cost-cutting efforts and the insufficient amount of cash and cash equivalents as of the consolidated financial statement filing date, management has concluded that substantial doubt exists with respect to the Company's ability to continue as a going concern for one year from the date the consolidated financial statements are issued.”View the 10-Q filed Nov 17, 2025
Customer concentration
— top 3 customers 10% of revenue
3 customers — 10% of revenue (During the year ended December 31, 2024 and 2023)
“During the year ended December 31, 2024 and 2023, the Company had three 3 customers that represented more than 10% of its revenues.”
One customer — 10% of receivables (As of December 31, 2024)
“As of December 31, 2024 and 2023, the Company had one 1 and two 2 major customers, respectively, that represented more than 10% of our accounts receivable balance.”
2 customers — 10% of receivables (As of December 31, 2023)
“As of December 31, 2024 and 2023, the Company had one 1 and two 2 major customers, respectively, that represented more than 10% of our accounts receivable balance.”
Market Cap
$2,273
Shares
3.79M
Volume · Nov 11
2094
Avg daily vol (3M)
6243
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The company's filings, earnings calls and investor events, most recent first. Search and read these filings from Claude or ChatGPT with the SEC filings MCP server →
2020
Dec 22
Nov 25
Current report
8-K
Entered into a material agreement, New debt or off-balance-sheet obligation
Nov 24
Registration statement
S-4
Registration statement
Nov 12
Nov 9
Registration statement
S-4
Registration statement
Nov 9
Late filing notice
NT 10-Q
Late filing notice
Oct 20
Current report
8-K
Events of Oct 19
Entered into a material agreement, Regulation FD disclosure
Oct 19
Current report
8-K
Events of Oct 16
Charter or bylaw amendment, or fiscal year change, Shareholder vote results
Oct 16
Current report
8-K
Events of Oct 12
Entered into a material agreement, New debt or off-balance-sheet obligation
Oct 13
Current report
8-K
Regulation FD disclosure, Other events
Oct 13
Proxy statement
DEFA14A
Proxy statement
Oct 1
Proxy statement
DEF 14A
Meeting Oct 16, 2020
Proxy statement
Sep 22
Current report
8-K
Regulation FD disclosure
Sep 22
Proxy statement
DEFA14A
Proxy statement
Sep 18
Proxy statement
PRE 14A
Proxy statement
Aug 10
May 21
Current report
8-K
Events of May 20
Entered into a material agreement, New debt or off-balance-sheet obligation, Charter or bylaw amendment, or fiscal year change
May 15
Current report
8-K
Shareholder vote results
May 11
Quarterly report
10-Q
FY2020 Q1, ended Mar 31
Quarterly report for FY2020 Q1
Net income $365.24K
▼ 53.8%
May 11
Proxy statement
DEFA14A
Proxy statement
May 8
Current report
8-K
Events of May 7
Other events
May 8
Proxy statement
DEFA14A
Proxy statement
Apr 28
Proxy statement
DEF 14A
Meeting May 15, 2020
Proxy statement
Apr 17
Proxy statement
PRE 14A
Proxy statement
Mar 27
Mar 17
Late filing notice
NT 10-K
Late filing notice
Showing 151–177 of 177 documents