As filed with the Securities and Exchange Commission on March 30, 2026. Registration No. 333-294120 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________ AMENDMENT NO. 2 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ___________________________________ ACP Holdings Acquisition Corp. (Exact name of registrant as specified in its charter) ___________________________________ | Cayman Islands 6770 | 98-1923384 | | --- | --- | | (State or ...

As filed with the Securities and Exchange Commission on March 19, 2026. Registration No. 333-294120 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 | Cayman Islands 6770 | 98-1923384 | | --- | --- | | (State or other jurisdiction of (Primary Standard Industrial | (I.R.S. Employer | | incorporation or organization) Classification Code Number) | Identification Number) ...

As filed with the Securities and Exchange Commission on March 6, 2026. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ___________________________________ ACP Holdings Acquisition Corp. (Exact name of registrant as specified in its charter) ___________________________________ | Cayman Islands | 6770 | N/A | | --- | --- | --- | | (State or other jurisdiction of | (Primary Standard Industrial | (I.R. ...