NMZ insider transaction filings

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND — 15 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-06. Screen NMZ transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 4 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
MOSCHNER ALBIN F12 legs · 2,912 sh · $30,180
BANK OF AMERICA CORP /DE/ — 10% owner & MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner38 legs · 48 sh · $4908 legs · 48 sh · $492

Recent Form 4 filings — NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

FiledFormInsiderReported transactionsSource
2026-08-064BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 1 @ $10.19 · Purchase (P): 1 @ $10.19 · Purchase (P): 1 @ $10.18 · Sale (S): 1 @ $10.24 · Sale (S): 1 @ $10.32 · Sale (S): 1 @ $10.23EDGAR
2026-08-044BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 7 @ $10.20 · Purchase (P): 14 @ $10.21 · Purchase (P): 10 @ $10.21 · Purchase (P): 5 @ $10.22 · Sale (S): 7 @ $10.32 · Sale (S): 14 @ $10.24 · +2 moreEDGAR
2026-07-284BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 9 @ $10.23 · Sale (S): 9 @ $10.18EDGAR
2026-06-294MOSCHNER ALBIN FSale (S): 1,812 @ $10.37 · Sale (S): 1,100 @ $10.35EDGAR
2026-04-294WELLS FARGO & COMPANY/MN — 10% owner
Wells Fargo Municipal Capital Strategies, LLC — 10% owner
Other (J): 4,504EDGAR
2026-03-064Siffermann William A — Vice PresidentPurchase (P): 100 @ $10.48EDGAR
2025-12-224BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 1,000 @ $10.32 · Sale (S): 1,000 @ $10.54EDGAR
2025-12-154BANK OF AMERICA CORP /DE/ — 10% owner
Banc of America Preferred Funding Corp — 10% owner
Other (J): 1,000 · Other (J): 1,000EDGAR
2025-10-144BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 6,440 @ $10.56 · Sale (S): 6,440 @ $10.63EDGAR
2025-10-104BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 190 @ $10.62 · Sale (S): 190 @ $10.62EDGAR
2025-09-194BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 10,784 @ $10.64 · Sale (S): 10,784 @ $10.56EDGAR
2025-03-244Siffermann William A — Vice PresidentPurchase (P): 300 @ $11.07EDGAR
2025-01-174BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 1 @ $10.79 · Purchase (P): 5 @ $10.79 · Sale (S): 1 @ $10.96 · Sale (S): 5 @ $10.94EDGAR
2024-12-134BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
BOFA SECURITIES, INC. — 10% owner
Sale (S): 2,500 @ $13.18 · Purchase (P): 2,500 @ $13.38 · Purchase (P): 200 @ $13.38 · Sale (S): 200 @ $13.35 · Sale (S): 679 @ $13.83 · Purchase (P): 679 @ $13.76 · +24 moreEDGAR
2024-12-064BANK OF AMERICA CORP /DE/ — 10% owner
MERRILL LYNCH, PIERCE, FENNER & SMITH INC. — 10% owner
Purchase (P): 75 @ $11.54 · Sale (S): 75 @ $11.54EDGAR

Recent 8-K events — NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

FiledFormItems reportedSource
2024-03-068-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
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