NMZ 10% Owner Bank of America Buys and Sells Shares

What Happened
Bank of America Corporation (reported as a >10% owner, filing jointly with Merrill Lynch) executed small open-market trades in Nuveen Municipal High Income Opportunity Fund (NMZ) on August 4, 2026. The filing shows three purchases of 1 share each at $10.18–$10.19 (about $10 per trade) and three sales of 1 share each at $10.23–$10.32 (about $10 per trade). Net effect: three shares acquired and three shares disposed — essentially a wash with negligible dollar amounts.

Key Details

• Transaction date: 2026-08-04 (filed 2026-08-06). Appears timely under the standard 2-business-day Section 16 reporting window.
• Purchases (P): 3 trades × 1 share each at $10.18, $10.19, $10.19 (approx. $30 total).
• Sales (S): 3 trades × 1 share each at $10.24, $10.32, $10.23 (approx. $31 total).
• Shares owned after transaction: not specified in the provided filing excerpt.
• Notable footnotes: joint filing by Bank of America and Merrill Lynch (F1); Reporting Persons disclaim broad beneficial ownership and group status (F1, F2); F3 notes any short-swing profit potentially recoverable would be remitted to the issuer if Section 16(b) applied.

Context
These are institutional-level, very small open-market trades (single-share lots) by an entity reported as a >10% owner. Such tiny buy/sell activity is typically operational (e.g., trading execution, rounding) rather than a clear signal of insider sentiment. The filing’s footnotes emphasize the joint reporting structure and disclaimers about beneficial ownership and potential Section 16 implications.