Company profile
Nuveen Municipal High Income Opportunity Fund Insider Trading
NMZEvery SEC Form 4 insider trading filing for Nuveen Municipal High Income Opportunity Fund (NMZ) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- CIK
- 0001266585
- Filings
- 21
- Insiders
- 12
- Last filing
- 2026-08-04
Activity summary
Mixed insider activity over the last 30 days: 7 purchases and 7 sales (14 transactions total).
Three year balance
Buy and sell value by quarter, Q2 16 to Q3 26. Nuveen Municipal High Income Opportunity Fund insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $115K.
90 day insight
Over the last 90 days, Nuveen Municipal High Income Opportunity Fund insiders bought $490 (8 transactions) and sold $31K (10 transactions).
- Most active insider: Bank Of America Corp /de/ with 16 transactions totaling $982.
- Largest single sale: $19K by Moschner Albin F on Jun 22, 2026.
Activity is mixed — buys and sales are roughly balanced.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 4, 2026 | Bank Of America Corp /de/ | NMZ | Sale | 1 | $10.32 | $10 |
| Aug 4, 2026 | Bank Of America Corp /de/ | NMZ | Purchase | 1 | $10.19 | $10 |
| Aug 4, 2026 | Bank Of America Corp /de/ | NMZ | Purchase | 1 | $10.19 | $10 |
| Aug 4, 2026 | Bank Of America Corp /de/ | NMZ | Purchase | 1 | $10.18 | $10 |
| Aug 4, 2026 | Bank Of America Corp /de/ | NMZ | Sale | 1 | $10.24 | $10 |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Query this yourself
The same rows, over the API.
curl "https://api.form4api.com/v1/transactions?ticker=NMZ" \
-H "X-Api-Key: $KEY"Get a keyTop insiders
By total value filed.
Institutional Ownership
Top 13F-HR holders of Nuveen Municipal High Income Opportunity Fund as of 2026-06-30
Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →