NUVEEN (NMZ) 10% Owner Bank of America Buys & Sells

What Happened
Bank of America Corporation (reporting jointly with Merrill Lynch) — identified as a >10% owner of Nuveen Municipal High Income Opportunity Fund (NMZ) — executed small open‑market purchases and sales. On 2026-08-03 it bought 36 shares in four trades (7, 14, 10, 5) at about $10.20–$10.22 per share (total reported cost $367). It also sold 36 shares in four trades (one sale on 2026-07-31 and three on 2026-08-03) at about $10.23–$10.32 per share (total reported proceeds $369). These reported buys and sells roughly offset each other (net zero change across the reported trades).

Key Details

• Transaction types: P = purchases (36 shares total); S = sales (36 shares total).
• Purchase dates/prices: 2026-08-03 — 7 sh @ $10.20, 14 sh @ $10.21, 10 sh @ $10.21, 5 sh @ $10.22 (reported totals $71, $143, $102, $51).
• Sale dates/prices: 2026-07-31 — 5 sh @ $10.32 ($52); 2026-08-03 — 7 sh @ $10.32, 14 sh @ $10.24, 10 sh @ $10.23 (reported totals $72, $143, $102).
• Aggregate reported values: purchases ≈ $367; sales ≈ $369.
• Shares owned after transaction: not specified in the provided filing details.
• Filing timeliness: filing dated 2026-08-04 appears timely relative to the reported trade dates.
• Notable footnotes: the statement is jointly filed by Bank of America and Merrill Lynch; Bank of America disclaims direct beneficial ownership except to the extent of any pecuniary interest (F1). Footnote F3 states any Section 16(b) short‑swing profit, if recoverable, will be remitted to the issuer.

Context
This report concerns institutional trading by a reported >10% owner (and a joint filing with Merrill Lynch), not insider executive trading. The dollar amounts are very small (hundreds of dollars), so these trades are routine and not a clear directional signal about management outlook or material conviction.