🕵️ Nuveen Municipal High Income Opportunity Fund ($NMZ)
SEC insider & ownership activity, last 12 months · CIK 1266585 · every row links its SEC filing
Over the last 12 months insiders sold $225K against $196K of open-market buying. Bank of America Corp /DE/ bought $195K (Sep–Jul). Bank of America Corp /DE/ trimmed 52.4% → 23.2%; BANC of America Preferred Funding Corp trimmed 52.4% → 23.2%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $196K (6 lots) · 2 sellers, $225K (7 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Bank of America Corp /DE/ | 5 | $195K | 5 | $195K | Jul 24, 2026 |
| Albin F. Moschner | 0 | – | 2 | $30K | Jun 22, 2026 |
| William A. Siffermann | 1 | $1K | 0 | – | Mar 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Wells Fargo & Company | 76.8% | 13D | Apr 27, 2026 | filing ↗ | |
| Wells Fargo Municipal Capital Strategies, LLC | 76.8% | 13D | Apr 27, 2026 | filing ↗ | |
| Bank of America Corp /DE/ | 23.2% | 13D | Apr 27, 2026 | filing ↗ | |
| BANC of America Preferred Funding Corp | 23.2% | 13D | Apr 27, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
No 8-K filings in the last 12 months.