As filed with the U.S. Securities and Exchange Commission on December 1, 2025. Registration No. 333-[ ] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 GigCapital9 Corp. Table of Contents (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Cayman Islands 6770 98-1894186 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identificati ...

As filed with the Securities and Exchange Commission on November 26, 2025. Registration No. 333-291488 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ____________________________ Subversive Bitcoin Acquisition Corp. (Exact name of registrant as specified in its charter) ____________________________ Cayman Islands 6770 N/A (State or other jurisdiction of incorporation or organization) (Primary Standar ...

As filed with the U.S. Securities and Exchange Commission on November 26, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ___________________ Mountain Lake Acquisition Corp. II (Exact name of registrant as specified in its charter) ___________________ | Cayman Islands | 6770 | 98-1891915 | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R.S. Employer ...

As filed with the United States Securities and Exchange Commission on November 26, 2025. Registration No. 333-291289 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 _______________________________ AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 _______________________________ Crane Harbor Acquisition Corp. II (Exact name of registrant as specified in its charter) _______________________________ (State or other jurisdiction of incorporation or organ ...

Core Viewpoint - Nukkleus, Inc. is strategically acquiring and developing businesses in the aerospace and defense industry, with the announcement of the initial public offering (IPO) of its special purpose acquisition company, SC II Acquisition Corp. [1] Group 1: Initial Public Offering Details - SC II aims to raise gross proceeds of $150 million through the sale of units priced at $10.00 each, with each unit consisting of one Class A ordinary share and a right to receive one fifth of a Class A ordinary share upon a business combination [2] - The underwriters have an option to purchase an additional $22.5 million of units in the IPO, which is expected to close on or about November 28, 2025 [2] - SC II units will be listed on the Nasdaq Global Market under the symbol "SCIIU" [2] Group 2: Sponsorship and Management - SC Capital II Sponsor LLC, an indirect subsidiary of Nukkleus, is acting as the sponsor of SC II, with Nukkleus holding a majority interest [3] - The CEO of Nukkleus, Menachem Shalom, also serves as the CEO of SC II [3] Group 3: Company Overview - Nukkleus focuses on acquiring and scaling mission-critical suppliers in the defense, aerospace, and advanced manufacturing sectors, targeting Tier 2 and Tier 3 companies that are essential to national security infrastructure in the U.S., Israel, and Europe [7] - The company employs a portfolio approach that combines organic growth with disciplined mergers and acquisitions (M&A), positioning itself at the core of 21st-century defense industrial strategy [8]

As filed with the United States Securities and Exchange Commission on November 25, 2025 under the Securities Act of 1933, as amended. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ––––––––––––––––––––––––– Vine Hill Capital Investment Corp. II (Exact name of registrant as specified in its charter) ––––––––––––––––––––––––– Cayman Islands 6770 N/A (Primary Standard Industrial (State or other juris ...

Core Points - AI Infrastructure Acquisition Corp. has announced that starting November 24, 2025, holders of its initial public offering units can separately trade Class A ordinary shares and rights [1][2] - Each unit consists of one Class A ordinary share and one right to receive one-fifth of a Class A ordinary share upon the completion of the initial business combination [1] - The Class A ordinary shares and rights will trade under the symbols "AIIA" and "AIIA R" respectively, while unseparated units will continue to trade under "AIIA U" [2] Company Overview - AI Infrastructure Acquisition Corp. is a blank check company, also known as a special purpose acquisition company (SPAC), formed to engage in mergers, amalgamations, share exchanges, asset acquisitions, and similar business combinations [5] - The company is led by CEO Michael Winston and CFO George Murnane [5] - The initial public offering was underwritten by Maxim Group LLC, which acted as the sole book runner [3]

Core Points - AI Infrastructure Acquisition Corp. celebrated its initial public offering by ringing the NYSE Opening Bell, marking a significant milestone for the company [1][2] - The company closed its upsized IPO of 13,800,000 units at an offering price of $10.00 per unit, with each unit consisting of one Class A ordinary share and one right [2] - The units began trading on the NYSE under the symbol "AIIA U" on October 3, 2025, with plans for separate trading of Class A ordinary shares and rights under the symbols "AIIA" and "AIIA R" respectively [2] Company Overview - AI Infrastructure Acquisition Corp. is a blank check company, also known as a special purpose acquisition company (SPAC), formed to effect a business combination with one or more businesses [3] - The company is led by CEO Michael Winston and CFO George Murnane [3] - The focus of the company is on identifying a high-quality business partner in the fields of AI and machine learning, particularly in next-generation data center infrastructure [2]

As filed with the U.S. Securities and Exchange Commission on November 18, 2025. Registration No. 333-[_____] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ______________________________________ D. Boral Acquisition I Corp. (Exact name of registrant as specified in its charter) ______________________________________ British Virgin Islands 6770 N/A (State or other jurisdiction of incorporation or organization) (Primary ...

As filed with the U.S. Securities and Exchange Commission on November 14, 2025. Registration No. 333-_______ –––––––––––––––––––––––––– FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 –––––––––––––––––––––––––– Praetorian Acquisition Corp. (Exact name of registrant as specified in its charter) –––––––––––––––––––––––––– Cayman Islands 6770 N/A (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer UNITED STATE ...