NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ)
Data as of , from SEC Form 4 filings.
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About NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ)
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND files with the SEC under CIK 0001266585. Its registration statement was declared effective on 17 December 2025, which clears it to sell shares but does not fix a trading date.
NMZ Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 8 | 48 | $490 |
| Open-market sale | 8 | 48 | $492 |
NMZ insider transactions (Form 4)
5811 Form 4 filings on record, the earliest from Dec 6, 2024, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 1 | $10.19 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 1 | $10.19 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 1 | $10.18 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 1 | $10.24 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 1 | $10.32 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 1 | $10.23 | $10 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 7 | $10.20 | $71 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 14 | $10.21 | $143 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 10 | $10.21 | $102 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 5 | $10.22 | $51 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 7 | $10.32 | $72 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 14 | $10.24 | $143 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 10 | $10.23 | $102 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 5 | $10.33 | $52 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 9 | $10.24 | $92 | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 9 | $10.18 | $92 | |
| Albin F. Moschner | Open-market sale | Common Stock | 1,812 | $10.37 | $19K | |
| Albin F. Moschner | Open-market sale | Common Stock | 1,100 | $10.35 | $11K | |
| Fargo Company Wells | Other | Variable Rate Demand Preferred Shares | 4,504 | - footnote F1 | - | |
| ||||||
| William A. Siffermann - Officer | Open-market purchase | Common Stock | 100 | $10.48 | $1K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 6,440 | $10.56 | $68K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 6,440 | $10.64 | $68K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 190 | $10.62 | $2K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 190 | $10.62 | $2K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market purchase | COMMON STOCK | 10,784 | $10.65 | $115K | |
| BANK OF AMERICA CORP - 10% Owner | Open-market sale | COMMON STOCK | 10,784 | $10.56 | $114K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 2,500 | $13.18 | $33K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 2,500 | $13.38 | $33K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 200 | $13.38 | $3K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 200 | $13.35 | $3K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 679 | $13.83 | $9K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 679 | $13.76 | $9K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 29 | $13.38 | $388 | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 29 | $13.34 | $387 | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 15 | $13.84 | $208 | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 15 | $13.80 | $207 | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 210 | $14.60 | $3K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 590 | $14.59 | $9K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 1,340 | $14.60 | $20K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 1,340 | $14.56 | $20K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 590 | $14.53 | $9K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 210 | $14.59 | $3K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 4 | $15.06 | $60 | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 4 | $15.08 | $60 | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 132 | $15.08 | $2K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 132 | $14.59 | $2K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 488 | $14.58 | $7K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 488 | $14.48 | $7K | |
| BANK OF AMERICA CORP | Open-market purchase | Common Stock | 7,000 | $13.54 | $95K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 1,000 | $13.53 | $14K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 100 | $13.53 | $1K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 100 | $13.53 | $1K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 100 | $13.53 | $1K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 50 | $13.53 | $677 | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 100 | $13.53 | $1K | |
| BANK OF AMERICA CORP | Open-market sale | Common Stock | 500 | $13.53 | $7K | |
| BANK OF AMERICA CORP | Open-market purchase | COMMON STOCK | 75 | $11.55 | $866 | |
| BANK OF AMERICA CORP | Open-market sale | COMMON STOCK | 75 | $11.54 | $866 | |
NMZ insider trading FAQ
What is the latest insider trade for NMZ?
NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) had 3 insider filings in the last 90 days, with the most recent on 2026-08-06. The full record for NMZ runs to 11 Form 4 filings, the earliest from 2024-12-06. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying NMZ stock?
8 insider purchases of NMZ were filed in the last 90 days, totaling $490.
How many insiders are selling NMZ stock?
8 insider sales of NMZ were filed in the last 90 days, totaling $492.
Where can I see NMZ SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects NMZ Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - BANK OF AMERICA CORP view on EDGAR
- - BANK OF AMERICA CORP view on EDGAR
- - BANK OF AMERICA CORP view on EDGAR
- - Albin F. Moschner view on EDGAR
- - Fargo Company Wells view on EDGAR
- - William A. Siffermann view on EDGAR
- - BANK OF AMERICA CORP view on EDGAR
- - BANK OF AMERICA CORP view on EDGAR
- - BANK OF AMERICA CORP view on EDGAR
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Insider activity by sector
- Where insider buying and selling is concentrated across the eleven GICS sectors.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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