Form4insider filings, from the source

SEC Form 4 · accession 0000070858-26-000411

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND · NMZ

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

Reporting owners
Period of report
Aug 4, 2026
Accepted (ET)
Aug 6, 2026 · 1:39 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,F3Aug 4, 2026P1$10.1887A1ISee Footnotes
COMMON STOCKF1,F2,F3Aug 4, 2026P1$10.185A2ISee Footnotes
COMMON STOCKF1,F2,F3Aug 4, 2026P1$10.175A3ISee Footnotes
COMMON STOCKF1,F2,F3Aug 4, 2026S1$10.2412D2ISee Footnotes
COMMON STOCKF1,F2,F3Aug 4, 2026S1$10.3237D1ISee Footnotes
COMMON STOCKF1,F2,F3Aug 4, 2026S1$10.2301D0ISee Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses