NMZ insider buying and SEC filings, explained
Nuveen Municipal High Income Opportunity Fund · CIK 1266585
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- State of incorporation
- MA
Insider activity in the last 12 months
Bought
$10K
Insiders who bought
1
Sold (not marked 10b5-1)
$41K
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 4, 2026 | Sale | BANK OF AMERICA CORP /DE/ (10% owner) sold 3 shares indirectly at about $10.26 ($31). Indirect holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 6, 2026 |
| Aug 4, 2026 | Purchase (code P) | BANK OF AMERICA CORP /DE/ (10% owner) bought 3 shares indirectly at about $10.19 ($31), reported as a purchase (code P). New position of 3 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 6, 2026 |
| Jul 31–Aug 3, 2026 | Sale | BANK OF AMERICA CORP /DE/ (10% owner) sold 36 shares indirectly between Jul 31 and Aug 3 at about $10.27 ($370). Indirect holdings down 88% to 5 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 4, 2026 |
| Aug 3, 2026 | Purchase (code P) | BANK OF AMERICA CORP /DE/ (10% owner) bought 36 shares indirectly at about $10.21 ($368), reported as a purchase (code P). New position of 36 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Aug 4, 2026 |
| Jul 24, 2026 | Sale | BANK OF AMERICA CORP /DE/ (10% owner) sold 9 shares indirectly at $10.18 ($92). Indirect holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jul 28, 2026 |
| Jul 24, 2026 | Purchase (code P) | BANK OF AMERICA CORP /DE/ (10% owner) bought 9 shares indirectly at $10.24 ($92), reported as a purchase (code P). New position of 9 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Jul 28, 2026 |
| Jun 22, 2026 | Sale | Albin F. Moschner (Trustee) sold 2,912 shares directly and indirectly (by entity) at about $10.36 ($30K). Direct holdings down 32% to 3,788 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 29, 2026 |
| Mar 5, 2026 | Purchase (code P) | William A Siffermann (Vice President) bought 100 shares at $10.48 ($1K), reported as a purchase (code P). Holdings up 12% to 914 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 6, 2026 |
| Dec 19, 2025 | Sale | BANK OF AMERICA CORP /DE/ (10% owner) sold 1,000 shares indirectly at $10.54 ($11K). Indirect holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 22, 2025 |
| Dec 19, 2025 | Purchase (code P) | BANK OF AMERICA CORP /DE/ (10% owner) bought 1,000 shares indirectly at $10.32 ($10K), reported as a purchase (code P). New position of 1,000 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 1 other reporting owner. | SEC filing Filed Dec 22, 2025 |
2 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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