Form 3 Filing: Initial Statement of Beneficial Ownership of Securities

This filing is an initial statement of beneficial ownership of securities filed on Form 3. It reports on behalf of John Haller, with Marc A. De Oliveira signing by power of attorney. The reporting owner, John Haller, is identified with CIK 0002125700 and resides in New York, NY. His relationship to the issuer, ClearBridge Energy Midstream Opportunity Fund Inc. (EMO), is noted as Dir./COO-Subadviser, indicated by "isOther: 1". The filing pertains to the period ending January 1, 2026, with the signature date of April 2, 2026. No securities are directly owned according to the "noSecuritiesOwned" field, and the filing does not include derivative or non-derivative tables, suggesting a specific reporting context.