Mailing Address 6 ST JOHNS LANE, FLOOR 5 NEW YORK NY 10013
Business Address 6 ST JOHNS LANE, FLOOR 5 NEW YORK NY 10013 248-890-7200
Abpro Holdings, Inc. CIK#: 0001893219 (see all company filings)

SIC: 2836 - BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES)
State location: NY | State of Inc.: DE | Fiscal Year End: 1231
formerly: Atlantic Coastal Acquisition Corp. II (filings through 2024-11-12)
(CF Office: 03 Life Sciences)
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Items 1 - 40  0001893219 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-25-001416 (33 Act)  Size: 1 KB
2025-05-05 333-284021
25915059
POS AM  Documents   Interactive Data Post-Effective amendments for registration statement
Acc-no: 0001213900-25-038553 (33 Act)  Size: 12 MB
2025-05-01 333-284021
25904402
ARS  Documents Annual Report to Security Holders
Acc-no: 0001213900-25-037132 (34 Act)  Size: 5 MB
2025-04-30 001-41224
25891238
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001213900-25-036819 (34 Act)  Size: 4 MB
2025-04-29 001-41224
25888106
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001213900-25-035735 (34 Act)  Size: 276 KB
2025-04-28 001-41224
25875868
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001213900-25-035075 (34 Act)  Size: 267 KB
2025-04-24 001-41224
25867527
POS EX  Documents Post-effective amendment adding exhibits to registration statement [Rule 462(d)]
Acc-no: 0001213900-25-034630 (33 Act)  Size: 32 KB
2025-04-23 333-284021
25861706
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001213900-25-034624 (33 Act)  Size: 3 MB
2025-04-23 333-284021
25861664
8-K  Documents   Interactive Data Current report, item 3.01
Acc-no: 0001213900-25-032584 (34 Act)  Size: 260 KB
2025-04-16 001-41224
25842953
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001213900-25-032133 (34 Act)  Size: 14 MB
2025-04-15 001-41224
25839956
8-K  Documents   Interactive Data Current report, item 4.02
Acc-no: 0001213900-25-032083 (34 Act)  Size: 251 KB
2025-04-15 001-41224
25839601
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001213900-25-029934 (34 Act)  Size: 251 KB
2025-04-08 001-41224
25822115
8-K  Documents   Interactive Data Current report, item 3.01
Acc-no: 0001213900-25-029927 (34 Act)  Size: 251 KB
2025-04-08 001-41224
25822048
NT 10-K  Documents Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405
Acc-no: 0001213900-25-026732 (34 Act)  Size: 19 KB
2025-04-01 001-41224
25796833
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001013762-25-002718 (34 Act)  Size: 258 KB
2025-03-26 001-41224
25773273
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001013762-25-001596 (34 Act)  Size: 3 MB
2025-03-24 001-41224
25764283
PRE 14A  Documents Other preliminary proxy statements
Acc-no: 0001213900-25-023715 (34 Act)  Size: 3 MB
2025-03-13 001-41224
25736054
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001213900-25-021806 (34 Act)  Size: 248 KB
2025-03-07 001-41224
25720977
8-K  Documents   Interactive Data Current report, items 3.03 and 9.01
Acc-no: 0001213900-25-021184 (34 Act)  Size: 269 KB
2025-03-06 001-41224
25715417
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001213900-25-016110 (34 Act)  Size: 49 MB
2025-02-21 001-41224
25652105
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-25-000413 (33 Act)  Size: 1 KB
2025-02-12 333-284021
25616928
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001213900-25-013033 (33 Act)  Size: 3 MB
2025-02-12 333-284021
25615879
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001213900-25-011817 Size: 6 KB
2025-02-10
S-1/A  Documents   Interactive Data [Amend] General form for registration of securities under the Securities Act of 1933
Acc-no: 0001213900-25-011397 (33 Act)  Size: 13 MB
2025-02-07 333-284021
25602906
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001213900-25-011400 Size: 19 KB
2025-02-07
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-25-000058 Size: 44 KB
2025-01-03 333-284021
S-1  Documents   Interactive Data General form for registration of securities under the Securities Act of 1933
Acc-no: 0001213900-24-111919 (33 Act)  Size: 12 MB
2024-12-23 333-284021
241573984
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001213900-24-108370 (34 Act)  Size: 277 KB
2024-12-12 001-41224
241545093
8-K  Documents   Interactive Data Current report, items 4.01 and 9.01
Acc-no: 0001213900-24-107083 (34 Act)  Size: 274 KB
2024-12-10 001-41224
241536818
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001213900-24-103612 (34 Act)  Size: 248 KB
2024-11-29 001-41224
241512688
8-K  Documents   Interactive Data Current report, items 1.01, 2.01, 2.03, 3.02, 3.03, 5.01, 5.02, 5.03, 5.06, and 9.01
Acc-no: 0001213900-24-102382 (34 Act)  Size: 1 MB
2024-11-26 001-41224
241497944
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001213900-24-102370 (34 Act)  Size: 5 MB
2024-11-26 001-41224
241497913
NT 10-Q  Documents Notification of inability to timely file Form 10-Q or 10-QSB
Acc-no: 0001213900-24-099093 (34 Act)  Size: 22 KB
2024-11-15 001-41224
241467768
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-24-257374 (34 Act)  Size: 220 KB
2024-11-13 001-41224
241455743
25-NSE  Documents Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities
Acc-no: 0001354457-24-000863 (34 Act)  Size: 3 KB
2024-11-12 333-261459
241448950
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-254119 (34 Act)  Size: 31 KB
2024-11-08 001-41224
241440385
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001193125-24-254113 (34 Act)  Size: 209 KB
2024-11-08 001-41224
241440340
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-253673 (34 Act)  Size: 180 KB
2024-11-08 001-41224
241437885
8-K  Documents   Interactive Data Current report, items 1.01, 8.01, and 9.01
Acc-no: 0001193125-24-253672 (34 Act)  Size: 393 KB
2024-11-08 001-41224
241437876
425  Documents Prospectuses and communications, business combinations
Acc-no: 0001193125-24-253670 (34 Act)  Size: 52 KB
2024-11-08 001-41224
241437859