Atlantic Coastal Acquisition Corp. (NASDAQ: ACAHU) operates as a blank check company, or special purpose acquisition company (SPAC), whose primary purpose is to effect mergers, share exchanges, asset acquisitions, share purchases, reorganizations, or similar business combinations, with an initial target focus on the financial services or mobility sectors. The company offers no current products or services beyond its SPAC structure, which includes publicly traded units comprising Class A common stock and warrants exercisable at $11.50 per share; it maintains a trust account holding substantially all IPO proceeds of $345 million raised in March 2021. Founded in 2020 and headquartered in San Francisco, California, with references to New York operations, Atlantic Coastal targets businesses globally, particularly in the U.S. and Canada. In recent developments as of late 2024, a related entity Atlantic Coastal Acquisition Corp. II (ACAB) completed a business combination with Abpro Corporation on November 13, 2024, approved by stockholders on November 7, 2024, enabling Abpro to become publicly traded; this involved PIPE financing from Celltrion Inc. totaling $5 million, director nomination rights for Celltrion, and prior amendments including sponsor share issuances and deadline extensions to September 19, 2024. Meanwhile, the original Atlantic Coastal Acquisition Corp. announced redemption of its public shares effective August 21, 2023, with no business combination consummated, leading to its liquidation status.