// company-profile
Nuveen Municipal High Income Opportunity Fund
NMZ// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Nuveen Municipal High Income Opportunity Fund insiders filed 1 Form 4 transaction, none of which were open-market purchases or sales.
- Most active insider: WELLS FARGO & COMPANY/MN with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Nuveen Municipal High Income Opportunity Fund as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Apr 27, 2026 | WELLS FARGO & COMPANY/MN | NMZ | J | 4,504 | — | — |
| Mar 5, 2026 | Siffermann William A | NMZ | Purchase | 100 | $10.48 | $1K |
| Dec 19, 2025 | BANK OF AMERICA CORP /DE/ | NMZ | Purchase | 1,000 | $10.32 | $10K |
| Dec 19, 2025 | BANK OF AMERICA CORP /DE/ | NMZ | Sale | 1,000 | $10.54 | $11K |
| Dec 11, 2025 | BANK OF AMERICA CORP /DE/ | NMZ | J | 1,000 | — | — |
45 more transactions hidden
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