Form4insider filings, from the source

SEC Form 4 · accession 0000070858-26-000409

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND · NMZ

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

Reporting owners
Period of report
Jul 31, 2026
Accepted (ET)
Aug 4, 2026 · 2:48 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 3, 2026P7$10.195A7ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026P14$10.2143A21ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026P10$10.2143A31ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026P5$10.22A36ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026S7$10.3237D29ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026S14$10.2412D15ISee Footnotes
COMMON STOCKF1,F2,F3Aug 3, 2026S10$10.2301D5ISee Footnotes
COMMON STOCKF1,F2,F3Jul 31, 2026S5$10.325D0ISee Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses