Abpro Holdings, Inc. SEC EDGAR Filings (CIK 0001893219)

SEC EDGAR filings, ownership reports, and insider transactions for Abpro Holdings, Inc..

Symbol
ABP, ABPWW on Nasdaq
Industry
Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address
6 St Johns Lane, Floor 5, New York, NY, 10013
State of incorporation
DE
Fiscal year end
31 December
Former names
Atlantic Coastal Acquisition Corp. II (to 12 Nov 2024)
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Abpro Holdings, Inc. has filed 236 SEC EDGAR filings since 02 Dec 2021

Latest Filings

Recent SEC filings for Abpro Holdings, Inc. including 8-K, EFFECT, S-1/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 06 Jan 2026 06 Jan 2026 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 15 Dec 2025 15 Dec 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 09 Dec 2025 09 Dec 2025 001-41224
EFFECT Open EFFECT document View SEC filing for EFFECT 02 Dec 2025 333-291347
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A AMENDMENT NO. 1 TO FORM S-1 28 Nov 2025 333-291347
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 17 Nov 2025 333-284021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 14 Nov 2025 30 Sep 2025 001-41224
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 07 Nov 2025 333-291347
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A AMENDMENT NO. 1 TO FORM 8-K 04 Nov 2025 04 Nov 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 04 Nov 2025 04 Nov 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Nov 2025 03 Nov 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 22 Oct 2025 16 Oct 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Oct 2025 14 Oct 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 14 Oct 2025 10 Oct 2025 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 06 Oct 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 03 Oct 2025 30 Sep 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 02 Oct 2025 30 Sep 2025 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 18 Sep 2025 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFINITIVE ADDITIONAL MATERIALS 16 Sep 2025 001-41224
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A PROXY STATEMENT 08 Sep 2025 18 Sep 2025 001-41224
PRE 14A Open PRE 14A document | Open XBRL data View SEC filing for PRE 14A PROXY STATEMENT 29 Aug 2025 29 Aug 2025 001-41224
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 13 Aug 2025 333-284021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 13 Aug 2025 30 Jun 2025 001-41224
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Aug 2025 25 Jul 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Aug 2025 31 Jul 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jul 2025 25 Jul 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Jul 2025 25 Jul 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Jul 2025 20 Jul 2025 001-41224
S-8 Open S-8 document View SEC filing for S-8 REGISTRATION STATEMENT 18 Jun 2025 333-288150
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 17 Jun 2025 17 Jun 2025 001-41224
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Jun 2025 333-287492
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 12 Jun 2025 333-287492
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Jun 2025
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A AMENDMENT NO. 1 TO FORM S-1 06 Jun 2025 333-287492
CORRESP Open CORRESP document View SEC filing for CORRESP 06 Jun 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 May 2025 333-287492
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 22 May 2025 333-287492
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2025 19 May 2025
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 15 May 2025 333-284021
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 15 May 2025 31 Mar 2025 001-41224
EFFECT Open EFFECT document View SEC filing for EFFECT 05 May 2025 333-284021
POS AM Open POS AM document | Open XBRL data View SEC filing for POS AM POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 01 May 2025 333-284021
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2025 29 Apr 2025
ARS Open ARS document View SEC filing for ARS FORM ARS 30 Apr 2025 31 Dec 2024 001-41224
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 29 Apr 2025 20 May 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 28 Apr 2025 27 Apr 2025 001-41224
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Apr 2025 23 Apr 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 24 Apr 2025 20 Apr 2025 001-41224
POS EX Open POS EX document View SEC filing for POS EX POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-1 23 Apr 2025 333-284021
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS SUPPLEMENT 23 Apr 2025 333-284021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 16 Apr 2025 10 Apr 2025 001-41224
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K ANNUAL REPORT 15 Apr 2025 31 Dec 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 15 Apr 2025 12 Apr 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 Apr 2025 08 Apr 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 08 Apr 2025 02 Apr 2025 001-41224
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NOTIFICATION OF LATE FILING 01 Apr 2025 31 Dec 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 26 Mar 2025 25 Mar 2025 001-41224
DEF 14A Open DEF 14A document View SEC filing for DEF 14A PROXY STATEMENT 24 Mar 2025 08 Apr 2025 001-41224
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PROXY STATEMENT 13 Mar 2025 13 Mar 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 07 Mar 2025 03 Mar 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 06 Mar 2025 05 Mar 2025 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 21 Feb 2025 21 Feb 2025 001-41224
EFFECT Open EFFECT document View SEC filing for EFFECT 12 Feb 2025 333-284021
424B3 Open 424B3 document View SEC filing for 424B3 PROSPECTUS 12 Feb 2025 333-284021
CORRESP Open CORRESP document View SEC filing for CORRESP 10 Feb 2025
S-1/A Open S-1/A document | Open XBRL data View SEC filing for S-1/A AMENDMENT NO. 1 TO FORM S-1 07 Feb 2025 333-284021
CORRESP Open CORRESP document View SEC filing for CORRESP 07 Feb 2025
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 03 Jan 2025 333-284021
S-1 Open S-1 document | Open XBRL data View SEC filing for S-1 REGISTRATION STATEMENT 23 Dec 2024 333-284021
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K FORM 8-K 12 Dec 2024 12 Dec 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 10 Dec 2024 09 Dec 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 29 Nov 2024 21 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K CURRENT REPORT 26 Nov 2024 12 Nov 2024 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q QUARTERLY REPORT 26 Nov 2024 30 Sep 2024 001-41224
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 25 Nov 2024 13 Nov 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 25 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 18 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 18 Nov 2024 13 Nov 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2024 13 Nov 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Nov 2024 13 Nov 2024
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Nov 2024 13 Nov 2024
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NOTIFICATION OF LATE FILING 15 Nov 2024 30 Sep 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2024 13 Nov 2024 001-41224
25-NSE Open 25-NSE document View SEC filing for 25-NSE 12 Nov 2024 333-261459
425 Open 425 document View SEC filing for 425 425 08 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2024 08 Nov 2024 001-41224
425 Open 425 document View SEC filing for 425 425 08 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2024 07 Nov 2024 001-41224
425 Open 425 document View SEC filing for 425 425 08 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2024 07 Nov 2024 001-41224
425 Open 425 document View SEC filing for 425 425 06 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Nov 2024 05 Nov 2024 001-41224
425 Open 425 document View SEC filing for 425 425 04 Nov 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Nov 2024 30 Oct 2024 001-41224
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 24 Oct 2024
425 Open 425 document View SEC filing for 425 425 21 Oct 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Oct 2024 16 Oct 2024 001-41224
EFFECT Open EFFECT document View SEC filing for EFFECT 18 Oct 2024 333-276618
424B3 Open 424B3 document View SEC filing for 424B3 424B3 18 Oct 2024 333-276618
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 17 Oct 2024 333-276618
CORRESP Open CORRESP document View SEC filing for CORRESP 16 Oct 2024
425 Open 425 document View SEC filing for 425 425 15 Oct 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Oct 2024 15 Oct 2024 001-41224
CORRESP Open CORRESP document View SEC filing for CORRESP 09 Oct 2024
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 09 Oct 2024 333-276618
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Sep 2024 19 Sep 2024 001-41224
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 19 Sep 2024 333-276618
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 16 Sep 2024 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 13 Sep 2024 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 10 Sep 2024 001-41224
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 06 Sep 2024 333-276618
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Sep 2024 001-41224
425 Open 425 document View SEC filing for 425 425 04 Sep 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Sep 2024 04 Sep 2024 001-41224
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 04 Sep 2024 16 Sep 2024 001-41224
CORRESP Open CORRESP document View SEC filing for CORRESP 03 Sep 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 30 Aug 2024 001-41224
425 Open 425 document View SEC filing for 425 425 29 Aug 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Aug 2024 22 Aug 2024 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 23 Aug 2024 30 Jun 2024 001-41224
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 20 Aug 2024 16 Sep 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Aug 2024 16 Aug 2024 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 14 Aug 2024 30 Jun 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Aug 2024 31 Jul 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Jul 2024 18 Jul 2024 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 09 Jul 2024 31 Mar 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Jun 2024 14 Jun 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Jun 2024 03 Jun 2024 001-41224
425 Open 425 document View SEC filing for 425 425 31 May 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 May 2024 30 May 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 May 2024 16 May 2024 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 15 May 2024 31 Mar 2024 001-41224
SEC STAFF LETTER Open SEC STAFF LETTER document View SEC filing for SEC STAFF LETTER 10 May 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 30 Apr 2024
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 30 Apr 2024 333-276618
425 Open 425 document View SEC filing for 425 425 23 Apr 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Apr 2024 18 Apr 2024 001-41224
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Apr 2024 333-276618
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 16 Apr 2024 10 Apr 2024 001-41224
425 Open 425 document View SEC filing for 425 425 03 Apr 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Apr 2024 02 Apr 2024 001-41224
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Apr 2024
S-4/A Open S-4/A document | Open XBRL data View SEC filing for S-4/A S-4/A 02 Apr 2024 333-276618
10-K/A Open 10-K/A document | Open XBRL data View SEC filing for 10-K/A 10-K/A 01 Apr 2024 31 Dec 2023 001-41224
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 29 Mar 2024 31 Dec 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Mar 2024 15 Mar 2024 001-41224
425 Open 425 document View SEC filing for 425 425 13 Mar 2024 001-41224
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 15 Feb 2024 333-276618
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 07 Feb 2024 005-93272
425 Open 425 document View SEC filing for 425 425 22 Jan 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 22 Jan 2024 22 Jan 2024 001-41224
S-4 Open S-4 document | Open XBRL data View SEC filing for S-4 S-4 19 Jan 2024 333-276618
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A ATLANTIC COASTAL ACQUISITION CORP. II 19 Jan 2024 005-93272
425 Open 425 document View SEC filing for 425 425 19 Jan 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Jan 2024 18 Jan 2024 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Dec 2023 15 Dec 2023 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 15 Dec 2023 30 Sep 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Dec 2023 14 Dec 2023 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 14 Dec 2023 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Dec 2023 001-41224
425 Open 425 document View SEC filing for 425 425 12 Dec 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Dec 2023 11 Dec 2023 001-41224
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 05 Dec 2023
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Dec 2023
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 01 Dec 2023 15 Dec 2023 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 14 Nov 2023 30 Sep 2023 001-41224
3 Open 3 document View SEC filing for 3 3 08 Nov 2023 07 Nov 2023
4 Open 4 document View SEC filing for 4 4 08 Nov 2023 06 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Nov 2023 06 Nov 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 Nov 2023 06 Nov 2023 001-41224
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 03 Nov 2023 05 Dec 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Oct 2023 14 Oct 2023 001-41224
425 Open 425 document View SEC filing for 425 425 21 Sep 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Sep 2023 18 Sep 2023 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 22 Aug 2023 30 Jun 2023 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 14 Aug 2023 30 Jun 2023 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 22 May 2023 31 Mar 2023 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 15 May 2023 31 Mar 2023 001-41224
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 20 Apr 2023 005-93272
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2023 18 Apr 2023
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Apr 2023 18 Apr 2023 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Apr 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Apr 2023 12 Apr 2023 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 05 Apr 2023 001-41224
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Apr 2023 05 Apr 2023 001-41224
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K FORM 10-K 03 Apr 2023 31 Dec 2022 001-41224
NT 10-K Open NT 10-K document View SEC filing for NT 10-K NT 10-K 31 Mar 2023 31 Dec 2022 001-41224
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 22 Mar 2023 001-41224
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 20 Mar 2023 12 Apr 2023 001-41224
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 23 Feb 2023 23 Feb 2023 001-41224
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 14 Feb 2023 005-93272
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A FORM SC 13G/A 14 Feb 2023 005-93272
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 14 Feb 2023 005-93272
SC 13G Open SC 13G document View SEC filing for SC 13G ATLANTIC COASTAL ACQUISITION CORP. II 02 Feb 2023 005-93272
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 12 Dec 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 01 Dec 2022
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 16 Nov 2022
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Nov 2022 30 Sep 2022 001-41224
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 11 Aug 2022 30 Jun 2022 001-41224
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 27 May 2022 005-93272
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q FORM 10-Q 20 May 2022 31 Mar 2022 001-41224
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 16 May 2022 31 Mar 2022 001-41224
10-K Open 10-K document View SEC filing for 10-K FORM 10-K 25 Mar 2022 31 Dec 2021 001-41224
8-K Open 8-K document View SEC filing for 8-K 8-K 04 Mar 2022 04 Mar 2022 001-41224
8-K Open 8-K document View SEC filing for 8-K 8-K 25 Jan 2022 19 Jan 2022 001-41224
SC 13G Open SC 13G document View SEC filing for SC 13G FORM SC 13G 25 Jan 2022 005-93272
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Jan 2022 13 Jan 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 19 Jan 2022
8-K Open 8-K document View SEC filing for 8-K 8-K 19 Jan 2022 13 Jan 2022 001-41224
424B4 Open 424B4 document View SEC filing for 424B4 424B4 18 Jan 2022 333-261459
EFFECT Open EFFECT document View SEC filing for EFFECT 13 Jan 2022 333-261459
S-1MEF Open S-1MEF document View SEC filing for S-1MEF S-1MEF 13 Jan 2022 333-262159
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Jan 2022 13 Jan 2022
CERT Open CERT document View SEC filing for CERT 13 Jan 2022 001-41224
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 13 Jan 2022 001-41224
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Jan 2022
CORRESP Open CORRESP document View SEC filing for CORRESP 12 Jan 2022
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 06 Jan 2022 333-261459
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 20 Dec 2021 333-261459
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 13 Dec 2021
S-1 Open S-1 document View SEC filing for S-1 S-1 02 Dec 2021 333-261459

About this filer

Abpro Holdings, Inc. files with the SEC under CIK 0001893219. This page aggregates EDGAR filings and related ownership activity.

Industry: Biological Products, (No Disgnostic Substances).

See insider transactions for this issuer.

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