InsiderTrades

Form 4 for NMZ NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

Accepted 2026-03-06 00:00:00 ET · period of report 2026-03-05 · accession 0001225208-26-003390 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2026-03-06 2026-03-05 NMZ Siffermann William A VP P - Purchase $10.48 +100 913.97 +12% +$1,048

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-05 P A 100 $10.48 913.97 D — —