How many insider trades does FilingIQ track for NMZ?

FilingIQ tracks 73 Form 4 insider transactions for NMZ (NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND), covering filings from Jun 5, 2014 onwards. 2 of those were filed in the last 90 days.

Are NMZ insiders net buyers or net sellers?

Across the full Form 4 history for NMZ, 32 transactions (44%) were open-market purchases and 32 (44%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does NMZ insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is NMZ in?

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) is classified in the Financial Services sector, specifically Asset Management, with a current market capitalisation of $1.25B.

NMZ insider trading

NYSE Financial Services

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

Last 90 days

Buys / sells

44% / 44%

Market cap

$1.25B

About NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

Nuveen Municipal High Income Opportunity Fund is a closed-end fixed income mutual fund launched by Nuveen Investments Inc. The fund is co-managed by Nuveen Fund Advisors LLC and Nuveen Asset Management, LLC. It invests in the fixed income markets of the United States. The fund primarily invests in investment grade tax-exempt municipal securities. The fund was formerly known as Nuveen Municipal High Yield Opportunity Fund. Nuveen Municipal High Income Opportunity Fund was founded in November 19, 2003 and is based in the United States.

Company website: www.nuveen.com

NMZ insider activity at a glance

FilingIQ has scored 73 insider transactions for NMZ since Jun 5, 2014. The most recent filing in our index is dated Apr 27, 2026.

Across the full history, 32 open-market purchases and 32 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on NMZ insider trades is 48.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live NMZ trades on FilingIQ Raw filings on SEC EDGAR

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Frequently asked

How many insider trades does FilingIQ track for NMZ?: FilingIQ tracks 73 Form 4 insider transactions for NMZ (NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND), covering filings from Jun 5, 2014 onwards. 2 of those were filed in the last 90 days.
Are NMZ insiders net buyers or net sellers?: Across the full Form 4 history for NMZ, 32 transactions (44%) were open-market purchases and 32 (44%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does NMZ insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is NMZ in?: NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) is classified in the Financial Services sector, specifically Asset Management, with a current market capitalisation of $1.25B.

Methodology & sources

Every NMZ insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.