NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) is a publicly traded company in the Unknown sector. Across all available filings, 15 corporate insiders have executed 73 transactions totaling $2.0M, demonstrating a bullish sentiment with $333.5K in net insider flow. The most recent transaction on Dec 19, 2025 involved a purchase of 1,000 shares valued at $10.3K.
No significant insider buying has been recorded for NMZ in the recent period.
No significant insider selling has been recorded for NMZ in the recent period.
Based on recent SEC filings, insider sentiment for NMZ is bullish with an Insider Alignment Score of 58/100 and a net flow of $333.5K. Insiders are accumulating shares, which historically signals confidence in the company's future performance.
Insider trading at NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 15 insiders are actively trading NMZ stock, having executed 73 transactions in the past 90 days. The most active insider is Inc Citigroup (Executive), who has made 3 transactions totaling $18.0M.
Get notified when executives and directors at NMZ file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 19, 2025 | Pierce, Fenner &. Smith Inc. Merrill Lynch, | Executive | Purchase | 1,000 | $10.32 | $10.3K | |
| Dec 19, 2025 | Pierce, Fenner &. Smith Inc. Merrill Lynch, | Executive | Sale | 1,000 | $10.54 | $10.5K | |
| Dec 11, 2025 | America Preferred Funding Corp Banc Of | Executive | Other | 1,000 | $N/A | $0 | |
| Dec 11, 2025 | America Preferred Funding Corp Banc Of | Executive | Other | 1,000 | $N/A | $0 | |
| Oct 10, 2025 | America Corp /de/ Bank Of | Executive | Purchase | 6,440 | $10.56 | $68.0K | |
| Oct 10, 2025 | America Corp /de/ Bank Of | Executive | Sale | 6,440 | $10.64 | $68.5K | |
| Oct 9, 2025 | Pierce, Fenner &. Smith Inc. Merrill Lynch, | Executive | Sale | 190 | $10.62 | $2.0K | |
| Oct 9, 2025 | Pierce, Fenner &. Smith Inc. Merrill Lynch, | Executive | Purchase | 190 | $10.62 | $2.0K | |
| Sep 17, 2025 | America Corp /de/ Bank Of | Executive | Sale | 10,784 | $10.56 | $113.9K | |
| Sep 17, 2025 | America Corp /de/ Bank Of | Executive | Purchase | 10,784 | $10.65 | $114.8K | |
| Oct 26, 2023 | T. Jones Nathaniel | Executive | Purchase | 1,100 | $8.33 | $9.2K | |
| Oct 25, 2023 | J. Toth Terence | Executive | Sale | 5 | $8.51 | $43 | |
| Oct 25, 2023 | J. Toth Terence | Executive | Sale | 100 | $8.51 | $851 | |
| Oct 25, 2023 | J. Toth Terence | Executive | Sale | 500 | $8.50 | $4.3K | |
| Oct 25, 2023 | J. Toth Terence | Executive | Sale | 3,597 | $8.50 | $30.6K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Other(J) | 17 | $18.0M | 90.2% |
Purchase(P) | 37 | $1.1M | 5.7% |
Sale(S) | 19 | $815.8K | 4.1% |
Insider activity at NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND shows mixed signals across all time. While $1.1M in purchases indicates some executive confidence,$815.8K in sales balances the picture, resulting in a modest net flow of $333.5K.15 insiders have been active, with no strong directional conviction evident in the aggregate data. The most active insider, Inc Citigroup, has transacted $18.0M during this period.