ALPHATIME ACQUISITION CORP

Symbol
ATMC, ATMCR, ATMCU, ATMCW on Nasdaq
Industry
Blank Checks (Office Of Real Estate & Construction)
Business address
500 5 Th Avenue, Suite 938, New York, NY, 10110
State of incorporation
Cayman Islands
Fiscal year end
31 December
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ALPHATIME ACQUISITION CORP has filed 118 SEC EDGAR filings since 24 Nov 2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
425 Open Document Open Filing 425 23 Dec 2025 001-41584
8-K Open Document | Data Open Filing 8-K 23 Dec 2025 16 Dec 2025 001-41584
425 Open Document Open Filing 425 08 Dec 2025 001-41584
8-K Open Document | Data Open Filing 8-K 08 Dec 2025 05 Dec 2025 001-41584
DEF 14A Open Document Open Filing DEF 14A 01 Dec 2025 01 Dec 2025 001-41584
PRE 14A Open Document Open Filing PRE 14A 19 Nov 2025 19 Nov 2025 001-41584
10-Q Open Document | Data Open Filing 10-Q 18 Nov 2025 30 Sep 2025 001-41584
DEFM14A Open Document Open Filing DEFM14A 17 Nov 2025 001-41584
NT 10-Q Open Document Open Filing NT 10-Q 14 Nov 2025 30 Sep 2025 001-41584
SCHEDULE 13G/A Open Document Open Filing 07 Nov 2025 005-93852
SCHEDULE 13G/A Open Document Open Filing 10 Oct 2025 005-93852
425 Open Document Open Filing 425 03 Oct 2025 001-41584
8-K Open Document | Data Open Filing 8-K 03 Oct 2025 01 Oct 2025 001-41584
8-K Open Document | Data Open Filing 8-K 18 Sep 2025 14 Sep 2025 001-41584
DEF 14A Open Document Open Filing DEF 14A 09 Sep 2025 08 Sep 2025 001-41584
PRE 14A Open Document Open Filing PRE 14A 27 Aug 2025 26 Aug 2025 001-41584
SCHEDULE 13G/A Open Document Open Filing 14 Aug 2025 005-93852
10-Q Open Document | Data Open Filing 10-Q 13 Aug 2025 30 Jun 2025 001-41584
SCHEDULE 13G/A Open Document Open Filing 11 Jul 2025 005-93852
8-K Open Document | Data Open Filing 8-K 10 Jul 2025 07 Jul 2025 001-41584
8-K Open Document | Data Open Filing 8-K 06 Jun 2025 03 Jun 2025 001-41584
10-Q Open Document | Data Open Filing 10-Q 20 May 2025 31 Mar 2025 001-41584
3 Open Document Open Filing 16 May 2025 06 May 2025
NT 10-Q Open Document Open Filing NT 10-Q 15 May 2025 31 Mar 2025 001-41584
SCHEDULE 13G/A Open Document Open Filing 15 May 2025 005-93852
SCHEDULE 13G/A Open Document Open Filing 15 May 2025 005-93852
SCHEDULE 13G Open Document Open Filing 15 May 2025 005-93852
SCHEDULE 13G Open Document Open Filing 14 May 2025 005-93852
8-K Open Document | Data Open Filing 8-K 08 May 2025 06 May 2025 001-41584
8-K Open Document | Data Open Filing 8-K 06 May 2025 30 Apr 2025 001-41584
8-K Open Document | Data Open Filing 21 Apr 2025 17 Apr 2025 001-41584
10-K Open Document | Data Open Filing 15 Apr 2025 31 Dec 2024 001-41584
3 Open Document Open Filing 01 Apr 2025 18 Mar 2025
NT 10-K Open Document Open Filing 31 Mar 2025 31 Dec 2024 001-41584
8-K Open Document | Data Open Filing 20 Mar 2025 17 Mar 2025 001-41584
SCHEDULE 13G/A Open Document Open Filing 13 Feb 2025 005-93852
SCHEDULE 13G/A Open Document Open Filing 13 Feb 2025 005-93852
SCHEDULE 13G/A Open Document Open Filing 13 Feb 2025 005-93852
8-K Open Document | Data Open Filing 03 Feb 2025 29 Jan 2025 001-41584
425 Open Document Open Filing 27 Dec 2024 001-41584
8-K Open Document | Data Open Filing 27 Dec 2024 20 Dec 2024 001-41584
SC 13G/A Open Document Open Filing KARPUS INVESTMENT MGT / ALPHATIME ACQUISITION CORP - SCHEDULE 13G/A(#1E) 06 Dec 2024 005-93852
DEFA14A Open Document Open Filing 04 Dec 2024 001-41584
8-K Open Document | Data Open Filing 03 Dec 2024 29 Nov 2024 001-41584
DEF 14A Open Document Open Filing 02 Dec 2024 02 Dec 2024 001-41584
PRE 14A Open Document Open Filing 21 Nov 2024 21 Nov 2024 001-41584
10-Q Open Document | Data Open Filing 19 Nov 2024 30 Sep 2024 001-41584
SC 13G/A Open Document Open Filing 18 Nov 2024 005-93852
SC 13G Open Document Open Filing SC 13G 14 Nov 2024 005-93852
SC 13G/A Open Document Open Filing 14 Nov 2024 005-93852
SC 13G Open Document Open Filing 13G ATMC 14 Nov 2024 005-93852
NT 10-Q Open Document Open Filing 14 Nov 2024 30 Sep 2024 001-41584
SC 13G Open Document Open Filing KARPUS INVESTMENT MGT / ALPHATIME ACQUISITION CORP - SCHEDULE 13G 13 Nov 2024 005-93852
SC 13G Open Document Open Filing SC 13G 16 Oct 2024 005-93852
425 Open Document Open Filing 23 Aug 2024 001-41584
8-K Open Document | Data Open Filing 23 Aug 2024 19 Aug 2024 001-41584
10-Q Open Document | Data Open Filing 14 Aug 2024 30 Jun 2024 001-41584
10-Q Open Document | Data Open Filing 20 May 2024 31 Mar 2024 001-41584
NT 10-Q Open Document Open Filing 15 May 2024 31 Mar 2024 001-41584
10-K Open Document | Data Open Filing 15 Apr 2024 31 Dec 2023 001-41584
NT 10-K Open Document Open Filing 01 Apr 2024 31 Dec 2023 001-41584
SC 13G Open Document Open Filing 14 Feb 2024 005-93852
SC 13G Open Document Open Filing 14 Feb 2024 005-93852
SC 13G Open Document Open Filing 14 Feb 2024 005-93852
SC 13G/A Open Document Open Filing 13 Feb 2024 005-93852
SC 13G Open Document Open Filing SCHEDULE 13G 08 Feb 2024 005-93852
SC 13G/A Open Document Open Filing SC 13G/A 31 Jan 2024 005-93852
UPLOAD Open Document Open Filing 26 Jan 2024 001-41584
10-Q/A Open Document | Data Open Filing 23 Jan 2024 30 Sep 2023 001-41584
10-Q/A Open Document | Data Open Filing 23 Jan 2024 30 Jun 2023 001-41584
10-Q/A Open Document | Data Open Filing 23 Jan 2024 31 Mar 2023 001-41584
10-K/A Open Document | Data Open Filing 23 Jan 2024 31 Dec 2022 001-41584
CORRESP Open Document Open Filing 23 Jan 2024
UPLOAD Open Document Open Filing 08 Jan 2024 001-41584
425 Open Document Open Filing 05 Jan 2024 001-41584
8-K Open Document | Data Open Filing 05 Jan 2024 05 Jan 2024 001-41584
8-K Open Document | Data Open Filing 04 Jan 2024 28 Dec 2023 001-41584
8-K Open Document | Data Open Filing 26 Dec 2023 26 Dec 2023 001-41584
CORRESP Open Document Open Filing 26 Dec 2023
8-K Open Document | Data Open Filing 21 Dec 2023 20 Dec 2023 001-41584
UPLOAD Open Document Open Filing 21 Dec 2023 001-41584
DEF 14A Open Document Open Filing 08 Dec 2023 07 Dec 2023 001-41584
PRE 14A Open Document Open Filing 24 Nov 2023 22 Nov 2023 001-41584
10-Q Open Document | Data Open Filing 13 Nov 2023 30 Sep 2023 001-41584
425 Open Document Open Filing 03 Oct 2023 001-41584
8-K Open Document | Data Open Filing 03 Oct 2023 27 Sep 2023 001-41584
10-Q Open Document | Data Open Filing 11 Aug 2023 30 Jun 2023 001-41584
10-Q Open Document | Data Open Filing 15 May 2023 31 Mar 2023 001-41584
10-K Open Document | Data Open Filing 24 Mar 2023 31 Dec 2022 001-41584
SC 13G Open Document Open Filing 14 Feb 2023 005-93852
SC 13G Open Document Open Filing 14 Feb 2023 005-93852
8-K Open Document Open Filing 18 Jan 2023 18 Jan 2023 001-41584
8-K Open Document Open Filing 13 Jan 2023 09 Jan 2023 001-41584
8-K Open Document Open Filing 10 Jan 2023 04 Jan 2023 001-41584
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
3 Open Document Open Filing 09 Jan 2023 30 Dec 2022
SC 13G Open Document Open Filing SC 13G 09 Jan 2023 005-93852
8-K Open Document Open Filing 05 Jan 2023 30 Dec 2022 001-41584
SC 13G Open Document Open Filing 13G 04 Jan 2023 005-93852
424B4 Open Document Open Filing 03 Jan 2023 333-268696
EFFECT Open Document Open Filing 30 Dec 2022 333-268696
CERT Open Document Open Filing 30 Dec 2022 001-41584
8-A12B Open Document Open Filing 29 Dec 2022 001-41584
CORRESP Open Document Open Filing 29 Dec 2022
CORRESP Open Document Open Filing 29 Dec 2022
S-1/A Open Document Open Filing 23 Dec 2022 333-268696
CORRESP Open Document Open Filing 07 Dec 2022
S-1 Open Document Open Filing 07 Dec 2022 333-268696
UPLOAD Open Document Open Filing 30 Nov 2022
DRSLTR Open Document Open Filing 02 Nov 2022
DRS/A Open Document Open Filing 02 Nov 2022 377-05732
UPLOAD Open Document Open Filing 21 Dec 2021
DRS Open Document Open Filing 24 Nov 2021 377-05732