Company facts
- Headquarters
- Chicago, Illinois
- Most recent report
- 8-K, filed Mar 6, 2024
- Incorporated
- Massachusetts
- Filings on record
- 650 filings
- On EDGAR
- CIK 1266585
News 5
Prospectuses and Registrations 8 of 18
- 424B3 Prospectus supplement for an offering Apr 24, 2026
- 424B3 Prospectus supplement for an offering Dec 18, 2025
- 424B3 Prospectus supplement for an offering May 9, 2025
- 424B3 Prospectus supplement for an offering Oct 31, 2024
- 424B3 Prospectus supplement for an offering May 20, 2024
- 424B2 Prospectus supplement for an offering Apr 4, 2024
- 424B3 Prospectus supplement for an offering Jan 2, 2024
- 424B3 Prospectus supplement for an offering Oct 24, 2023
Proxies 8 of 47
- DEF 14A Proxy statement for a shareholder vote Jul 2, 2026
- DEF 14A Proxy statement for a shareholder vote Jun 30, 2025
- DEF 14A Proxy statement for a shareholder vote Jun 27, 2024
- DEF 14A Proxy statement for a shareholder vote Jun 30, 2023
- DEF 14A Proxy statement for a shareholder vote Jun 28, 2022
- DEF 14A Proxy statement for a shareholder vote Jun 25, 2021
- DEF 14A Proxy statement for a shareholder vote Jun 26, 2020
- DEF 14A Proxy statement for a shareholder vote Jun 28, 2019
Ownership 8 of 196
- 4 Insider reported a trade Aug 6, 2026
- 4 Insider reported a trade Aug 4, 2026
- 4 Insider reported a trade Jul 28, 2026
- 4 Insider reported a trade Jun 29, 2026
- 4 Insider reported a trade Apr 29, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Apr 29, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Apr 29, 2026
- 4 Insider reported a trade Mar 6, 2026
Other 8 of 384
Everything here comes from Nuveen Municipal High Income Opportunity Fund's own filings on SEC EDGAR. The filing list is rechecked every hour.