Form4insider filings, from the source

SEC Form 4 · accession 0000070858-26-000368

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND · NMZ

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owners
Period of report
Jul 24, 2026
Accepted (ET)
Jul 28, 2026 · 1:40 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001266585

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
COMMON STOCKF1,F2,F3Jul 24, 2026P9$10.235A9ISee Footnotes
COMMON STOCKF1,F2,F3Jul 24, 2026S9$10.175D0ISee Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses