NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND (NMZ) has 43 open-market insider trades by 11 insiders since 2006. Over the last six months insiders net sold $30K. The most active filer is John Miller.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| BANK OF America Corp. /de/ | 10% Owner | — | 9 | $1.0M | 2026-08-04 |
| William J. Schneider | — | — | 5 | $527K | 2016-12-07 |
| John Miller | — | — | 11 | $383K | 2015-03-19 |
| Merrill Lynch, Pierce, Fenner & SMITH Inc. | 10% | — | 4 | $219K | 2025-12-19 |
| Nuveen Fund Advisors, LLC | — | — | 1 | $181K | 2017-05-18 |
| Asset Management Inc. Nuveen | — | — | 1 | $115K | 2006-02-23 |
| Scott R. Romans | — | — | 2 | $100K | 2014-01-06 |
| Albin F. Moschner | — | — | 3 | $100K | 2026-06-22 |
| Terence J. Toth | Trustee | — | 3 | $87K | 2023-10-25 |
| Nathaniel T. Jones | PresVPTreasurer | — | 1 | $9K | 2023-10-26 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| BANK OF America Corp. /de/ | 10% Owner | Sell | $31 | 2026-08-04 |
| BANK OF America Corp. /de/ | 10% Owner | Buy | $368 | 2026-08-03 |
| BANK OF America Corp. /de/ | 10% Owner | Sell | $370 | 2026-07-31 |
| BANK OF America Corp. /de/ | 10% Owner | Sell | $92 | 2026-07-24 |
| Albin F. Moschner | — | Sell | $30K | 2026-06-22 |
| William A. Siffermann | President & VP | Buy | $1K |
Companies that share insiders with NMZ, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| 2026-03-05 |
| Merrill Lynch, Pierce, Fenner & SMITH Inc. | 10% | Buy | $10K | 2025-12-19 |
| Merrill Lynch, Pierce, Fenner & SMITH Inc. | 10% | Sell | $11K | 2025-12-19 |
| BANK OF America Corp. /de/ | 10% Owner | Buy | $136K | 2025-10-10 |
| BANK OF America Corp. /de/ | 10% | Sell | $69K | 2025-10-10 |
| Merrill Lynch, Pierce, Fenner & SMITH Inc. | 10% | Sell | $2K | 2025-10-09 |
| BANK OF America Corp. /de/ | 10% Owner | Sell | $228K | 2025-09-17 |
| BANK OF America Corp. /de/ | 10% | Buy | $115K | 2025-09-17 |
| William A. Siffermann | President & VP | Buy | $3K | 2025-03-21 |
| BANK OF America Corp. /de/ | 10% | Buy | $65 | 2025-01-15 |