As filed with the Securities and Exchange Commission on August 8, 2025. Registration No. 333-289142 Houston American Energy Corp. 801 Travis St., Suite 1425 Houston, Texas 77002 (State or other jurisdiction of incorporation or organization) Delaware 1311 76-0675953 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT O ...

As filed with the Securities and Exchange Commission on August 8, 2025. Registration No. 333-289146 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 Houston American Energy Corp. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 1311 76-0675953 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identific ...

As filed with the Securities and Exchange Commission on July 31, 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 Houston American Energy Corp. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 1311 76-0675953 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Houston Amer ...

As filed with the Securities and Exchange Commission on July 31, 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 Houston American Energy Corp. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 1311 76-0675953 (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification Number) Houston Ameri ...