0001893219
Company
Abpro Holdings, Inc.
Biological Products, (No Diagnostic Substances) · ABPO
follow-on
effective
Nasdaq Global Market
EFFECT
Filing Timeline
SEC EDGAR
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows S-1/A and marks the registration effective.
2025-12-02 · 9999999995-25-003479
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior 424B3 filing.
9,775,017 shares
Common Stock · Exchange Nasdaq Global Market · Ticker ABP · Public Warrants listed on Nasdaq under symbol ABPWW · Selling stockholders only · Use of proceeds Potential gross proceeds from sales to YA under SEPA · Flags warrants · Underwriters YA II PN, Ltd.
2025-11-28 · 0001213900-25-116002
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows S-1 and confirms the priced prospectus.
2025-11-17 · 0001213900-25-111538
S-1
filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows 424B3 in the pre-IPO sequence.
2025-11-07 · 0001213900-25-107374
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows EFFECT and confirms the priced prospectus.
2025-08-13 · 0001213900-25-075766
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows S-1/A and confirms the priced prospectus.
2025-06-12 · 0001213900-25-053884
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 424B3 and marks the registration effective.
2025-06-12 · 9999999995-25-001907
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2025-06-06 · 0001213900-25-052118
S-1
filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows 424B3 in the pre-IPO sequence.
20,699,242 shares · Gross proceeds $50,000,000
Common Stock · Exchange Nasdaq Global Market · Ticker ABP · Public Warrants (ABPWW) · Use of proceeds To be used for general corporate purposes · Flags emerging_growth_company
2025-05-22 · 0001213900-25-046533
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows EFFECT and confirms the priced prospectus.
Common · Exchange Nasdaq · Ticker ABP · Public Warrants exercisable for one share of Common Stock at an exercise price of $3.83
2025-05-15 · 0001213900-25-044422
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 424B3 and marks the registration effective.
2025-05-05 · 9999999995-25-001416
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows EFFECT and confirms the priced prospectus.
Common Stock · Exchange Nasdaq · Ticker ABP · Public Warrants exercisable for one share of Common Stock at $3.83
2025-04-23 · 0001213900-25-034624
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows S-1/A and confirms the priced prospectus.
Price $11.50 · 60,785,312 shares · Gross proceeds $331,775,000
Common Stock · Exchange Nasdaq · Ticker ABP · Up to 13,850,000 Placement Warrants exercisable at $11.50 per share · Use of proceeds Proceeds from primary offering will be used for general corporate purposes; secondary offering proceeds go to selling stockholders · Flags warrants · Underwriters Yorkville
2025-02-12 · 0001213900-25-013033
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 424B3 and marks the registration effective.
2025-02-12 · 9999999995-25-000413
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
2025-02-07 · 0001213900-25-011397
S-1
filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows 425 in the pre-IPO sequence.
2024-12-23 · 0001213900-24-111919
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-11-08 · 0001193125-24-253670
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-11-08 · 0001193125-24-253673
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-11-08 · 0001193125-24-254119
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-11-06 · 0001193125-24-251763
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-11-04 · 0001193125-24-250204
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows EFFECT in the pre-IPO sequence.
2024-10-21 · 0001193125-24-240486
424B3
priced
Final prospectus
Final prospectus filed near launch with final deal terms.
Follows S-4/A and confirms the priced prospectus.
2024-10-18 · 0001193125-24-239698
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows 424B3 and marks the registration effective.
2024-10-18 · 9999999995-24-003213
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
Updates the prior 425 filing.
2024-10-17 · 0001193125-24-238946
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows S-4/A in the pre-IPO sequence.
2024-10-15 · 0001193125-24-237577
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
Updates the prior S-4/A filing.
Flags dual_class, warrants
2024-10-09 · 0001193125-24-235243
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
Updates the prior 425 filing.
2024-09-06 · 0001193125-24-214784
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-09-04 · 0001193125-24-213242
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-08-29 · 0001193125-24-209030
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows S-4/A in the pre-IPO sequence.
2024-05-31 · 0001193125-24-151930
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
Updates the prior 425 filing.
2024-04-30 · 0001193125-24-125209
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-04-23 · 0001193125-24-107162
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows S-4/A in the pre-IPO sequence.
2024-04-03 · 0001193125-24-085381
S-4/A
amended
S-4/A
Pre-IPO filing captured from the SEC submission timeline.
Updates the prior 425 filing.
2024-04-02 · 0001193125-24-084816
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-03-13 · 0001193125-24-066968
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-01-22 · 0001193125-24-011718
S-4
filed
S-4
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2024-01-19 · 0001193125-24-011270
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows S-4 in the pre-IPO sequence.
2024-01-19 · 0001193125-24-011233
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 425 in the pre-IPO sequence.
2023-12-12 · 0001193125-23-293074
425
supplemental
425
Pre-IPO filing captured from the SEC submission timeline.
Follows 424B4 in the pre-IPO sequence.
Atlantic Coastal Acquisition Corp. II announced a term sheet for a business combination with Abpro Corporation, valuing Abpro at $725 million. The transaction involves acquiring all of Abpro's equity, with Abpro shareholders receiving 72.5 million shares in the combined company and 14.5 million shares in an escrow account subject to an earnout agreement. The deal is expected to close in Q2 2024, pending due diligence and definitive agreement execution.
2023-09-21 · 0001193125-23-239586
424B4
priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
Follows EFFECT and confirms the priced prospectus.
Price $10.00 · 26,100,000 shares · Gross proceeds $261,000,000
Series A · Exchange Nasdaq · Ticker ACABU · Over-allotment 3,915,000 · One share of Series A common stock and one-half of one redeemable warrant · Each warrant entitles the holder to purchase one share of Series A common stock at $11.50 per share · Use of proceeds Proceeds will be deposited into a trust account for the initial business combination · Flags units, warrants · Underwriters Cantor Fitzgerald & Co., Academy Securities, Siebert Williams Shank
Atlantic Coastal Acquisition Corp. II, a Delaware blank check company, is conducting an IPO to raise $261 million through the sale of 26,100,000 units at $10.00 each. Each unit includes one share of Series A common stock and one-half of a redeemable warrant. The offering includes an underwriter option to purchase additional units, with proceeds deposited into a trust account. The company aims to complete a business combination in the mobility sector within 15 months, with a focus on next-generation mobility technologies, autonomous systems, and sustainable infrastructure. If no combination is achieved, public shares will be redeemed for cash.
2022-01-18 · 0001193125-22-011366
8-A12B
effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows S-1/A and registers the class of securities for exchange listing.
Atlantic Coastal Acquisition Corp. II is registering securities for listing on Nasdaq, including units composed of Series A common stock and redeemable warrants. The filing incorporates by reference the S-1/A prospectus, which outlines the structure of the offering, including the terms of the units, common stock, and warrants. The company is a blank check entity targeting a business combination, with no specific target identified yet.
2022-01-13 · 0001193125-22-008416
CERT
inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
Follows 8-A12B in the pre-IPO sequence.
Abpro Holdings, Inc. filed a CERT form on 2022-01-13, indicating registration of securities under the Securities Exchange Act. The filing references prior registration statements and incorporates by reference descriptions of securities, including units, common stock, and warrants. No specific details about the company's operations or financials are provided in the accessible text.
2022-01-13 · 0001354457-22-000034
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows CERT and marks the registration effective.
The current filing is a Notice of Effectiveness for Form S-1, dated January 13, 2022, for Atlantic Coastal Acquisition Corp. II. The previous filing was a CERT form, but no substantive details are visible in the provided text. The filing indicates the effectiveness of the registration statement, signaling the company's readiness to proceed with its IPO.
2022-01-13 · 9999999995-22-000132
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
Price $10.00 · 28,750,000 shares · Gross proceeds $287,500,000
Series A · Exchange Nasdaq · Ticker ACABU · Over-allotment 3,750,000 · Each unit consists of one share of Series A common stock and one-half of one redeemable warrant · Each whole warrant entitles the holder to purchase one share of Series A common stock at $11.50 per share · Use of proceeds to fund the initial business combination and for working capital · Flags units, warrants · Underwriters Cantor Fitzgerald & Co.
Abpro Holdings, Inc. (formerly Atlantic Coastal Acquisition Corp. II) is a blank check company formed to effect a business combination, primarily targeting the mobility sector. The current filing details an IPO of 25,000,000 units at $10.00 per unit, each consisting of one share of Series A common stock and one-half of a redeemable warrant. The company will use proceeds to fund its initial business combination, with a 15-month deadline to complete the transaction or redeem public shares. The sponsor, Atlantic Coastal Acquisition Management II LLC, has committed to purchasing warrants in a private placement.
2022-01-06 · 0001193125-22-003638
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
Price $10.00 · 25,000,000 shares · Gross proceeds $250,000,000
Each unit consists of one share of Series A common stock and one-half of one redeemable warrant · Exchange Nasdaq · Ticker ACABU · Over-allotment 3,750,000 · Each unit includes one share of Series A common stock and one-half of one redeemable warrant · Each warrant entitles the holder to purchase one share of Series A common stock at $11.50 per share · Use of proceeds To fund the private placement and general corporate purposes · Flags units, warrants · Underwriters Cantor Fitzgerald & Co.
Abpro Holdings, Inc. (Atlantic Coastal Acquisition Corp. II) is a blank check company formed to effect a business combination, focusing on the mobility sector. The S-1/A updates the offering details, including the structure of units (Series A common stock and warrants), underwriter options, trust account deposits, and redemption terms. The company has not identified a target business and faces risks related to its speculative nature, reliance on sponsors, and time constraints for completing a business combination.
2021-12-20 · 0001193125-21-362526
S-1
filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
First tracked pre-IPO filing for this issuer.
Price $10.00 · 25,000,000 shares · Gross proceeds $250,000,000
Units, each consisting of one share of Series A common stock, $0.0001 par value, and one-half of one redeemable warrant · Exchange Nasdaq · Ticker ACABU · Over-allotment 3,750,000 · Each unit consists of one share of Series A common stock and one-half of one redeemable warrant · Each warrant entitles the holder to purchase one share of Series A common stock at $11.50 per share · Use of proceeds to be deposited into a trust account for the initial business combination · Flags units, warrants · Underwriters Cantor Fitzgerald & Co.
Atlantic Coastal Acquisition Corp. II is a blank check company formed to effect a merger or business combination with a mobility sector business. The company is offering 25,000,000 units at $10.00 each, each consisting of one share of Series A common stock and one-half of a redeemable warrant. The offering includes a 45-day option for underwriters to purchase additional units. The sponsor has committed to a private placement of warrants. The company will redeem public shares if no business combination is completed within 18 months. No target business has been identified yet.
2021-12-02 · 0001193125-21-346558
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Recent News
No recent news stored for this issuer.