Spectaire Holdings Inc.

Symbol
SPEC, SPECW on OTC
Entity
Company
Business address
3109 W 50 Th St., #207, 55410 Minneapolis, MN
Phone
(952) 456-5300
Fiscal year end
December 31
Category
Non-accelerated filer
Smaller reporting company
Emerging growth company
Former names
Perception Capital Corp. II (to 10/13/2023)
All SEC filings
View on sec.gov
Get insider transactions for this issuer
Spectaire Holdings Inc. has filed 217 SEC EDGAR filings since 2/16/2021

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SEC STAFF ACTION Open Document Open Filing Apr 21, 2025
8-K Open Document | Data Open Filing SPECTAIRE HOLDINGS INC. - FORM 8-K SEC FILING Jan 30, 2025 Jan 24, 2025 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Dec 13, 2024 Dec 9, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Nov 22, 2024 Nov 14, 2024 001-40976
SC 13G/A Open Document Open Filing SPECTAIRE Nov 14, 2024 005-92990
8-K Open Document | Data Open Filing CURRENT REPORT Nov 4, 2024 Oct 28, 2024 001-40976
8-K Open Document | Data Open Filing 8-K Oct 24, 2024 Oct 19, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Oct 18, 2024 Oct 14, 2024 001-40976
25-NSE Open Document Open Filing Oct 15, 2024 001-40976
10-Q Open Document | Data Open Filing QUARTERLY REPORT Aug 20, 2024 Jun 30, 2024 001-40976
NT 10-Q Open Document Open Filing NOTIFICATION OF LATE FILING Aug 15, 2024 Jun 30, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Aug 6, 2024 Aug 5, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Jul 26, 2024 Jul 22, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Jul 12, 2024 Jul 8, 2024 001-40976
DEF 14A Open Document Open Filing PROXY STATEMENT Jun 28, 2024 Jul 22, 2024 001-40976
424B3 Open Document Open Filing PROSPECTUS Jun 27, 2024 333-280073
EFFECT Open Document Open Filing Jun 25, 2024 333-280073
CORRESP Open Document Open Filing Jun 24, 2024
S-1/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM S-1 Jun 21, 2024 333-280073
8-K Open Document | Data Open Filing CURRENT REPORT Jun 21, 2024 Jun 18, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Jun 20, 2024 Jun 13, 2024 001-40976
UPLOAD Open Document Open Filing Jun 20, 2024 333-280073
PRE 14A Open Document Open Filing PROXY STATEMENT Jun 18, 2024 Jun 17, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Jun 13, 2024 Jun 7, 2024 001-40976
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Jun 10, 2024 333-280073
8-K Open Document | Data Open Filing CURRENT REPORT May 22, 2024 May 16, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT May 21, 2024 May 17, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT May 16, 2024 May 15, 2024 001-40976
10-Q Open Document | Data Open Filing QUARTERLY REPORT May 15, 2024 Mar 31, 2024 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT May 8, 2024 May 6, 2024 001-40976
10-K Open Document | Data Open Filing ANNUAL REPORT Mar 29, 2024 Dec 31, 2023 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Mar 21, 2024 Mar 18, 2024 001-40976
S-8 POS Open Document Open Filing POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 Feb 29, 2024 333-277431
S-8 Open Document Open Filing REGISTRATION STATEMENT Feb 28, 2024 333-277431
424B3 Open Document Open Filing PROSPECTUS Feb 15, 2024 333-276179
EFFECT Open Document Open Filing Feb 14, 2024 333-276179
SC 13G/A Open Document Open Filing AQR CAPITAL MANAGEMENT LLC Feb 14, 2024 005-92990
CORRESP Open Document Open Filing Feb 12, 2024
S-1/A Open Document | Data Open Filing REGISTRATION STATEMENT Feb 12, 2024 333-276179
SC 13G/A Open Document Open Filing SPECTAIRE HOLDINGS INC 13GA Feb 12, 2024 005-92990
SC 13G/A Open Document Open Filing SC 13G/A Feb 9, 2024 005-92990
S-1/A Open Document | Data Open Filing AMENDMENT O. 1 TO FORM S-1 Feb 1, 2024 333-276178
S-1/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM S-1 Feb 1, 2024 333-276179
CORRESP Open Document Open Filing Jan 31, 2024
8-K Open Document | Data Open Filing CURRENT REPORT Jan 19, 2024 Jan 18, 2024 001-40976
UPLOAD Open Document Open Filing Jan 10, 2024 333-276179
8-K Open Document | Data Open Filing CURRENT REPORT Jan 9, 2024 Jan 3, 2024 001-40976
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Dec 21, 2023 333-276179
S-1 Open Document | Data Open Filing REGISTRATION STATEMENT Dec 21, 2023 333-276178
8-K Open Document | Data Open Filing 8-K Dec 19, 2023 Dec 15, 2023 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Dec 7, 2023 Dec 5, 2023 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Dec 4, 2023 Nov 28, 2023 001-40976
10-Q/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM 10-Q Dec 1, 2023 Sep 30, 2023 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Nov 20, 2023 Nov 17, 2023 001-40976
8-K/A Open Document | Data Open Filing AMENDMENT NO. 1 TO FORM 8-K Nov 14, 2023 Oct 16, 2023 001-40976
10-Q Open Document | Data Open Filing QUARTERLY REPORT Nov 14, 2023 Sep 30, 2023 001-40976
8-K Open Document | Data Open Filing CURRENT REPORT Nov 13, 2023 Nov 13, 2023 001-40976
SC 13D Open Document Open Filing SCHEDULE13D Oct 30, 2023 005-92990
8-K Open Document | Data Open Filing CURRENT REPORT Oct 27, 2023 Oct 19, 2023 001-40976
4 Open Document Open Filing Oct 26, 2023 Oct 24, 2023
4 Open Document Open Filing Oct 26, 2023 Oct 24, 2023
4/A Open Document Open Filing Oct 24, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Jan 3, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
3 Open Document Open Filing Oct 23, 2023 Oct 19, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Oct 23, 2023 Oct 19, 2023
8-K Open Document | Data Open Filing 8-K Oct 19, 2023 Oct 16, 2023 001-40976
25-NSE Open Document Open Filing Oct 19, 2023 333-255107
4 Open Document Open Filing FORM 4 SUBMISSION Oct 18, 2023 Oct 16, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Oct 18, 2023 Oct 16, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Oct 18, 2023 Oct 16, 2023
4 Open Document Open Filing FORM 4 SUBMISSION Oct 18, 2023 Oct 16, 2023
425 Open Document Open Filing 425 Oct 13, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Oct 13, 2023 Oct 13, 2023 001-40976
425 Open Document Open Filing 425 Oct 13, 2023 001-40976
425 Open Document Open Filing 425 Oct 12, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Oct 12, 2023 Oct 11, 2023 001-40976
425 Open Document Open Filing 425 Oct 12, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Oct 12, 2023 Oct 11, 2023 001-40976
425 Open Document Open Filing 425 Oct 10, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Oct 10, 2023 Oct 4, 2023 001-40976
425 Open Document Open Filing 425 Oct 5, 2023 001-40976
PRE 14A Open Document Open Filing PRE 14A Oct 3, 2023 Oct 3, 2023 001-40976
UPLOAD Open Document Open Filing Oct 2, 2023
EFFECT Open Document Open Filing Sep 29, 2023 333-272880
424B3 Open Document Open Filing 424B3 Sep 29, 2023 333-272880
CORRESP Open Document Open Filing Sep 27, 2023
S-4/A Open Document Open Filing S-4/A Sep 27, 2023 333-272880
CORRESP Open Document Open Filing Sep 26, 2023
UPLOAD Open Document Open Filing Sep 21, 2023
CORRESP Open Document Open Filing Sep 15, 2023
S-4/A Open Document Open Filing S-4/A Sep 15, 2023 333-272880
SC 13G/A Open Document Open Filing PERCEPTION CAPITAL CORP. II Sep 8, 2023 005-92990
UPLOAD Open Document Open Filing Sep 6, 2023
CORRESP Open Document Open Filing Aug 24, 2023
S-4/A Open Document | Data Open Filing S-4/A Aug 24, 2023 333-272880
10-Q Open Document | Data Open Filing 10-Q Aug 22, 2023 Jun 30, 2023 001-40976
4 Open Document Open Filing Aug 21, 2023 Aug 17, 2023
NT 10-Q Open Document Open Filing NT 10-Q Aug 15, 2023 Jun 30, 2023 001-40976
UPLOAD Open Document Open Filing Aug 11, 2023
UPLOAD Open Document Open Filing Aug 10, 2023
CORRESP Open Document Open Filing Jul 26, 2023
S-4/A Open Document | Data Open Filing S-4/A Jul 26, 2023 333-272880
UPLOAD Open Document Open Filing Jul 18, 2023
CORRESP Open Document Open Filing Jun 23, 2023
S-4 Open Document | Data Open Filing S-4 Jun 23, 2023 333-272880
UPLOAD Open Document Open Filing Jun 14, 2023
CORRESP Open Document Open Filing May 26, 2023
PRER14A Open Document Open Filing PRER14A May 26, 2023 001-40976
10-Q Open Document | Data Open Filing 10-Q May 23, 2023 Mar 31, 2023 001-40976
UPLOAD Open Document Open Filing May 19, 2023
NT 10-Q Open Document Open Filing NT 10-Q May 16, 2023 Mar 31, 2023 001-40976
8-K Open Document | Data Open Filing 8-K May 10, 2023 May 5, 2023 001-40976
PRER14A Open Document Open Filing PRER14A May 9, 2023 001-40976
CORRESP Open Document Open Filing May 9, 2023
10-K/A Open Document | Data Open Filing 10-K/A May 9, 2023 Dec 31, 2022 001-40976
CORRESP Open Document Open Filing May 9, 2023
SC 13G Open Document Open Filing PERCEPTION CAPITAL CORP. II May 2, 2023 005-92990
3 Open Document Open Filing May 2, 2023 Apr 27, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 1, 2023 Apr 27, 2023
8-K Open Document | Data Open Filing 8-K Apr 27, 2023 Apr 27, 2023 001-40976
UPLOAD Open Document Open Filing Apr 27, 2023
UPLOAD Open Document Open Filing Apr 25, 2023
8-K Open Document | Data Open Filing FORM 8-K RE EXTENSION NOTE Apr 12, 2023 Apr 10, 2023 001-40976
DEF 14A Open Document Open Filing DEF 14A Apr 10, 2023 Apr 27, 2023 001-40976
8-K Open Document | Data Open Filing ITEM 3.01 8-K Apr 7, 2023 Apr 3, 2023 001-40976
PREM14A Open Document Open Filing PREM14A Mar 29, 2023 Mar 29, 2023 001-40976
PRE 14A Open Document Open Filing PRE 14A Mar 28, 2023 Mar 28, 2023 001-40976
425 Open Document Open Filing 425 Mar 28, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Mar 28, 2023 Mar 23, 2023 001-40976
10-K Open Document | Data Open Filing 10-K Mar 27, 2023 Dec 31, 2022 001-40976
4 Open Document Open Filing Mar 13, 2023 Mar 9, 2023
SC 13G Open Document Open Filing SC 13G Feb 16, 2023 005-92990
SC 13G Open Document Open Filing Feb 14, 2023 005-92990
SC 13G Open Document Open Filing AQR CAPITAL MANAGEMENT LLC Feb 14, 2023 005-92990
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 14, 2023 005-92990
SC 13G Open Document Open Filing SC 13G Feb 13, 2023 005-92990
SC 13G Open Document Open Filing Feb 13, 2023 005-92990
SC 13G/A Open Document Open Filing PERCEPTION CAPITAL CORP. II Feb 9, 2023 005-92990
8-K Open Document | Data Open Filing 8-K Feb 6, 2023 Feb 6, 2023 001-40976
SC 13G/A Open Document Open Filing PERCEPTION CAPITAL CORP. II Jan 25, 2023 005-92990
SC 13G/A Open Document Open Filing Jan 18, 2023 005-92990
425 Open Document Open Filing 425 Jan 17, 2023 001-40976
8-K Open Document | Data Open Filing 8-K Jan 17, 2023 Jan 14, 2023 001-40976
3 Open Document Open Filing FORM 3 SUBMISSION Nov 21, 2022 Nov 18, 2022
8-K Open Document | Data Open Filing 8-K Nov 21, 2022 Nov 18, 2022 001-40976
10-Q Open Document | Data Open Filing 10-Q Nov 14, 2022 Sep 30, 2022 001-40976
3 Open Document Open Filing Nov 7, 2022 Oct 28, 2022
3 Open Document Open Filing PRIMARY DOCUMENT Nov 7, 2022 Oct 28, 2022
8-K Open Document | Data Open Filing 8-K Nov 1, 2022 Oct 31, 2022 001-40976
8-K Open Document | Data Open Filing 8-K Oct 28, 2022 Oct 28, 2022 001-40976
DEF 14A Open Document Open Filing DEF 14A Oct 14, 2022 Oct 28, 2022 001-40976
UPLOAD Open Document Open Filing Oct 13, 2022
PRER14A Open Document Open Filing PRER14A Oct 12, 2022 001-40976
CORRESP Open Document Open Filing Oct 11, 2022
UPLOAD Open Document Open Filing Oct 4, 2022
PRER14A Open Document Open Filing PRER14A Sep 29, 2022 001-40976
PRE 14A Open Document Open Filing PRE 14A Sep 26, 2022 Sep 26, 2022 001-40976
10-Q Open Document | Data Open Filing 10-Q Aug 15, 2022 Jun 30, 2022 001-40976
10-Q Open Document | Data Open Filing 10-Q May 16, 2022 Mar 31, 2022 001-40976
10-K Open Document | Data Open Filing 10-K Apr 15, 2022 Dec 31, 2021 001-40976
NT 10-K Open Document Open Filing NT 10-K Mar 31, 2022 Mar 31, 2022 001-40976
SC 13G Open Document Open Filing Feb 25, 2022 005-92990
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 17, 2022 005-92990
SC 13G Open Document Open Filing SC 13G Feb 14, 2022 005-92990
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 14, 2022 005-92990
SC 13G Open Document Open Filing Feb 11, 2022 005-92990
SC 13G/A Open Document Open Filing PERCEPTION CAPITAL CORP. II Feb 9, 2022 005-92990
SC 13G/A Open Document Open Filing Jan 20, 2022 005-92990
8-K Open Document | Data Open Filing 8-K Dec 20, 2021 Dec 20, 2021 001-40976
10-Q Open Document | Data Open Filing 10-Q Dec 13, 2021 Sep 30, 2021 001-40976
SC 13G Open Document Open Filing PERCEPTION CAPITAL CORP. II Nov 12, 2021 005-92990
SC 13G Open Document Open Filing PERCEPTION CAPITAL CORP. II Nov 12, 2021 005-92990
3 Open Document Open Filing FORM 3 SUBMISSION Nov 10, 2021 Oct 27, 2021
8-K Open Document Open Filing 8-K Nov 5, 2021 Nov 1, 2021 001-40976
SC 13G Open Document Open Filing FORM SC 13G Nov 5, 2021 005-92990
SC 13G Open Document Open Filing Nov 3, 2021 005-92990
8-K Open Document Open Filing 8-K Nov 1, 2021 Oct 27, 2021 001-40976
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 29, 2021 Oct 27, 2021
424B4 Open Document Open Filing 424B4 Oct 29, 2021 333-255107
EFFECT Open Document Open Filing Oct 27, 2021 333-255107
3 Open Document Open Filing FORM 3 SUBMISSION Oct 27, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 27, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 27, 2021 Oct 27, 2021
3 Open Document Open Filing FORM 3 SUBMISSION Oct 27, 2021 Oct 27, 2021
CERT Open Document Open Filing Oct 27, 2021 001-40976
8-A12B Open Document Open Filing 8-A12B Oct 27, 2021 001-40976
CORRESP Open Document Open Filing Oct 25, 2021
CORRESP Open Document Open Filing Oct 25, 2021
S-1/A Open Document Open Filing S-1/A5 Oct 25, 2021 333-255107
S-1/A Open Document Open Filing S-1/A4 FULL FILING Oct 20, 2021 333-255107
CORRESP Open Document Open Filing Oct 20, 2021
UPLOAD Open Document Open Filing Oct 19, 2021
S-1/A Open Document Open Filing S-1/A Sep 30, 2021 333-255107
S-1/A Open Document Open Filing S-1/A Jun 22, 2021 333-255107
S-1/A Open Document Open Filing S-1/A May 24, 2021 333-255107
CORRESP Open Document Open Filing May 21, 2021
UPLOAD Open Document Open Filing Apr 16, 2021
CORRESP Open Document Open Filing Apr 7, 2021
S-1 Open Document Open Filing S-1 Apr 7, 2021 333-255107
UPLOAD Open Document Open Filing Mar 12, 2021
DRS Open Document Open Filing Feb 16, 2021 377-04238