Browse the latest SEC filings and forms submitted by PIONEER MUNICIPAL HIGH INCOME FUND, INC. (MHI). Access annual reports, quarterly statements, and other official disclosures.
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Search Company Filings →| Form | Filing Date | Description | Link |
|---|---|---|---|
| SCHEDULE 13G | Aug. 15, 2025 | - | View Document |
| SCHEDULE 13G/A | Aug. 14, 2025 | - | View Document |
| SCHEDULE 13G/A | Aug. 5, 2025 | - | View Document |
| N-23C-2 | July 17, 2025 | NOTICE OF INTENTION TO REDEEM SECURITIES | View Document |
| N-CEN | July 14, 2025 | - | View Document |
| N-CSR | July 9, 2025 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | June 27, 2025 | - | View Document |
| SCHEDULE 13G/A | May 15, 2025 | - | View Document |
| 4 | April 24, 2025 | PRIMARY DOCUMENT | View Document |
| 4 | April 22, 2025 | PRIMARY DOCUMENT | View Document |
| 4 | April 14, 2025 | PRIMARY DOCUMENT | View Document |
| 4 | April 8, 2025 | PRIMARY DOCUMENT | View Document |
| 3 | April 4, 2025 | PRIMARY DOCUMENT | View Document |
| NPORT-P | March 25, 2025 | - | View Document |
| DFAN14A | Feb. 24, 2025 | - | View Document |
| SCHEDULE 13G/A | Feb. 14, 2025 | - | View Document |
| DEFC14A | Feb. 11, 2025 | MHI | View Document |
| DEFC14A | Feb. 10, 2025 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| SCHEDULE 13D/A | Feb. 4, 2025 | - | View Document |
| PRRN14A | Jan. 31, 2025 | - | View Document |
| PREC14A | Jan. 29, 2025 | MAV | View Document |
| SCHEDULE 13D/A | Jan. 28, 2025 | - | View Document |
| PREC14A | Jan. 24, 2025 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| 4 | Jan. 14, 2025 | PRIMARY DOCUMENT | View Document |
| 4 | Jan. 10, 2025 | PRIMARY DOCUMENT | View Document |
| 4 | Jan. 6, 2025 | PRIMARY DOCUMENT | View Document |
| N-CSRS | Jan. 3, 2025 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| 4 | Dec. 31, 2024 | PRIMARY DOCUMENT | View Document |
| SCHEDULE 13D/A | Dec. 30, 2024 | - | View Document |
| 4 | Dec. 27, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 23, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 19, 2024 | PRIMARY DOCUMENT | View Document |
| NPORT-P | Dec. 19, 2024 | - | View Document |
| 4 | Dec. 13, 2024 | FORM 4 | View Document |
| SC 13D/A | Dec. 13, 2024 | SC 13D/A | View Document |
| 4 | Dec. 9, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 5, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 3, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 29, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | Nov. 26, 2024 | FORM SC 13D/A | View Document |
| 4 | Nov. 26, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 25, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 21, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 20, 2024 | FORM 4 | View Document |
| 4 | Nov. 18, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13G | Nov. 14, 2024 | - | View Document |
| 4 | Nov. 14, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 12, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 5, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 4, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Oct. 31, 2024 | PRIMARY DOCUMENT | View Document |
| NPORT-P | Sept. 23, 2024 | - | View Document |
| 4 | Aug. 29, 2024 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 28, 2024 | - | View Document |
| 4 | Aug. 27, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 22, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | Aug. 21, 2024 | FORM SC 13D/A | View Document |
| 4 | Aug. 20, 2024 | PRIMARY DOCUMENT | View Document |
| DEFC14A | Aug. 19, 2024 | MHI | View Document |
| 4 | Aug. 19, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 13, 2024 | PRIMARY DOCUMENT | View Document |
| PREC14A | Aug. 9, 2024 | MHI | View Document |
| 4 | Aug. 8, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 5, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 1, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | July 29, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | July 15, 2024 | PRIMARY DOCUMENT | View Document |
| N-CEN | July 12, 2024 | - | View Document |
| N-CSR | July 8, 2024 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | June 27, 2024 | - | View Document |
| 4 | May 23, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | May 17, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | May 7, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | May 3, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | April 1, 2024 | FORM SC 13D/A | View Document |
| NPORT-P | March 21, 2024 | - | View Document |
| 3 | March 21, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | March 12, 2024 | PRIMARY DOCUMENT | View Document |
| 3 | March 6, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | March 4, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | March 4, 2024 | SC 13D/A | View Document |
| 4 | March 4, 2024 | FORM 4 | View Document |
| SC 13G | Feb. 13, 2024 | - | View Document |
| SC 13G/A | Feb. 9, 2024 | MS AMENDMENT | View Document |
| 4 | Feb. 5, 2024 | PRIMARY DOCUMENT | View Document |
| 4 | Jan. 31, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13G/A | Jan. 31, 2024 | AMENDED SCHEDULE 13G | View Document |
| 3 | Jan. 30, 2024 | PRIMARY DOCUMENT | View Document |
| N-23C-2 | Jan. 29, 2024 | NOTICE OF INTENTION TO REDEEM SECURITIES | View Document |
| SC 13D/A | Jan. 26, 2024 | SC 13D/A | View Document |
| 4 | Jan. 18, 2024 | PRIMARY DOCUMENT | View Document |
| SC 13D | Jan. 5, 2024 | FORM SC 13D | View Document |
| 4 | Jan. 3, 2024 | PRIMARY DOCUMENT | View Document |
| N-CSRS | Jan. 3, 2024 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | Dec. 20, 2023 | - | View Document |
| 4 | Dec. 15, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 13, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 7, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 1, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 28, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 21, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 17, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 13, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 9, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 7, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Nov. 3, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Oct. 31, 2023 | PRIMARY DOCUMENT | View Document |
| N-CEN/A | Oct. 25, 2023 | - | View Document |
| N-CEN/A | Oct. 25, 2023 | - | View Document |
| N-CEN/A | Oct. 25, 2023 | - | View Document |
| N-CEN/A | Oct. 25, 2023 | - | View Document |
| SC 13D/A | Oct. 20, 2023 | SC 13D/A | View Document |
| 4 | Oct. 20, 2023 | - | View Document |
| 4 | Oct. 18, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Oct. 16, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Oct. 12, 2023 | PRIMARY DOCUMENT | View Document |
| 4 | Oct. 3, 2023 | PRIMARY DOCUMENT | View Document |
| SC 13G/A | Oct. 3, 2023 | FORM SC 13G/A | View Document |
| 3 | Sept. 28, 2023 | PRIMARY DOCUMENT | View Document |
| NPORT-P | Sept. 26, 2023 | - | View Document |
| N-23C-2 | Sept. 12, 2023 | NOTICE OF INTENTION TO REDEEM SECURITIES | View Document |
| 3 | Sept. 5, 2023 | PRIMARY DOCUMENT | View Document |
| SC 13G | Aug. 31, 2023 | FORM SC 13G | View Document |
| N-PX | Aug. 28, 2023 | FORM N-PX | View Document |
| N-CEN | July 13, 2023 | - | View Document |
| N-CSR | July 7, 2023 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | June 22, 2023 | - | View Document |
| 3 | June 7, 2023 | - | View Document |
| SC 13D | June 7, 2023 | SC 13D | View Document |
| SC 13D/A | June 1, 2023 | SC 13D/A | View Document |
| 4 | June 1, 2023 | FORM 4 SUBMISSION | View Document |
| SC 13D/A | March 23, 2023 | SC 13D/A | View Document |
| NPORT-P | March 22, 2023 | - | View Document |
| SC 13G | Feb. 14, 2023 | - | View Document |
| SC 13G | Feb. 10, 2023 | MS INITIAL | View Document |
| SC 13G/A | Jan. 13, 2023 | AMENDED SCHEDULE 13G | View Document |
| N-CSRS | Jan. 4, 2023 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | Dec. 21, 2022 | - | View Document |
| SC 13D/A | Nov. 16, 2022 | SC 13D/A | View Document |
| 4 | Nov. 16, 2022 | FORM 4 SUBMISSION | View Document |
| NPORT-P | Sept. 23, 2022 | - | View Document |
| N-PX | Aug. 26, 2022 | N-PX | View Document |
| SC 13G/A | Aug. 10, 2022 | AMENDED SCHEDULE 13G | View Document |
| N-CEN | July 12, 2022 | - | View Document |
| N-CSR | July 1, 2022 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | June 23, 2022 | - | View Document |
| NPORT-P | March 30, 2022 | - | View Document |
| SC 13G/A | Jan. 18, 2022 | AMENDED SCHEDULE 13G | View Document |
| N-CSRS | Jan. 3, 2022 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | Dec. 23, 2021 | - | View Document |
| NPORT-P | Sept. 29, 2021 | - | View Document |
| 3 | Sept. 20, 2021 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 26, 2021 | NPX | View Document |
| N-CEN | July 13, 2021 | - | View Document |
| N-CSR | July 1, 2021 | PIONEER MUNICIPAL HIGH INCOME FUND, INC. | View Document |
| NPORT-P | June 28, 2021 | - | View Document |
| 3 | May 10, 2021 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | April 23, 2021 | SC 13D/A | View Document |
| 8-A12B/A | April 21, 2021 | PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| N-8A/A | April 21, 2021 | PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| NPORT-P | April 1, 2021 | - | View Document |
| 3 | March 23, 2021 | PRIMARY DOCUMENT | View Document |
| SC 13D/A | Feb. 18, 2021 | SC 13D/A | View Document |
| 4 | Feb. 18, 2021 | FORM 4 SUBMISSION | View Document |
| SC 13G/A | Jan. 29, 2021 | AMENDED SCHEDULE 13G | View Document |
| NPORT-P | Dec. 30, 2020 | - | View Document |
| N-CSRS | Dec. 30, 2020 | PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| 8-K | Nov. 25, 2020 | PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| NPORT-P | Sept. 29, 2020 | - | View Document |
| N-PX | Aug. 27, 2020 | FORM N-PX | View Document |
| 3 | Aug. 17, 2020 | PRIMARY DOCUMENT | View Document |
| N-CEN | July 10, 2020 | - | View Document |
| 4 | July 8, 2020 | PRIMARY DOCUMENT | View Document |
| N-CSR | July 6, 2020 | PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| NPORT-P | June 29, 2020 | - | View Document |
| NPORT-P | March 30, 2020 | - | View Document |
| SC 13G/A | Feb. 5, 2020 | AMENDED SCHEDULE 13G | View Document |
| N-CSRS | Dec. 27, 2019 | - | View Document |
| NPORT-P | Dec. 27, 2019 | - | View Document |
| NPORT-EX | Sept. 27, 2019 | SOI | View Document |
| 3 | Sept. 20, 2019 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 21, 2019 | FORM N-PX | View Document |
| N-CEN | July 10, 2019 | - | View Document |
| N-CSR | July 1, 2019 | - | View Document |
| SC 13G/A | May 10, 2019 | AMENDED SCHEDULE 13G | View Document |
| 4 | April 11, 2019 | PRIMARY DOCUMENT | View Document |
| N-Q | March 29, 2019 | NQ | View Document |
| SC 13G/A | Jan. 30, 2019 | AMENDED SCHEDULE 13G | View Document |
| N-CSRS | Dec. 28, 2018 | - | View Document |
| N-Q | Sept. 28, 2018 | NQ | View Document |
| 4 | Sept. 7, 2018 | PRIMARY DOCUMENT | View Document |
| 3 | Sept. 5, 2018 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 16, 2018 | ANNUAL N-PX VOTING | View Document |
| NSAR-B | June 28, 2018 | MHIT NSAR B | View Document |
| N-CSR | June 28, 2018 | - | View Document |
| N-Q | April 2, 2018 | NQ | View Document |
| SC 13G/A | March 12, 2018 | MS AMENDMENT | View Document |
| SC 13G/A | Feb. 28, 2018 | SC 13G/A | View Document |
| SC 13G/A | Feb. 22, 2018 | NONE | View Document |
| SC 13D | Feb. 16, 2018 | SC 13D | View Document |
| 4 | Feb. 16, 2018 | FORM 4 SUBMISSION | View Document |
| 3 | Feb. 16, 2018 | FORM 3 SUBMISSION | View Document |
| SC 13G | Feb. 14, 2018 | - | View Document |
| SC 13G/A | Feb. 13, 2018 | MS AMENDMENT | View Document |
| SC 13G/A | Jan. 18, 2018 | AMENDED SCHEDULE 13G | View Document |
| N-23C-2 | Jan. 12, 2018 | NOTICE OF INTENTION TO REDEEM SECURITIES | View Document |
| N-CSRS | Dec. 29, 2017 | - | View Document |
| NSAR-A | Dec. 29, 2017 | NSAR | View Document |
| N-Q | Sept. 27, 2017 | MHI SCHEDULE | View Document |
| N-PX | Aug. 15, 2017 | NPX VOTES | View Document |
| N-CSR | June 27, 2017 | - | View Document |
| NSAR-B | June 27, 2017 | PIONEER MUNICIPAL HIGH INCOME TRUST NSAR B | View Document |
| N-Q | April 3, 2017 | MHI SCHEDULE | View Document |
| SC 13G/A | Jan. 17, 2017 | AMENDED SCHEDULE 13G | View Document |
| NSAR-A | Dec. 29, 2016 | MUNIHIGHINCOMESEMI | View Document |
| N-CSRS | Dec. 29, 2016 | - | View Document |
| SC 13G | Oct. 7, 2016 | SCHEDULE 13G | View Document |
| N-Q | Sept. 28, 2016 | MHI SCHEDULE | View Document |
| 4 | Sept. 8, 2016 | PRIMARY DOCUMENT | View Document |
| 4 | Sept. 7, 2016 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 16, 2016 | ANNUAL N-PX DISCLOSURE | View Document |
| 4 | Aug. 12, 2016 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 11, 2016 | PRIMARY DOCUMENT | View Document |
| N-CSR | June 28, 2016 | - | View Document |
| NSAR-B | June 28, 2016 | PIONEER MUNICIPAL HIGH INCOME TRUST NSAR B | View Document |
| N-Q | March 30, 2016 | MHI SCHEDULE | View Document |
| N-CSR | Dec. 30, 2015 | - | View Document |
| NSAR-A | Dec. 29, 2015 | NSAR-A | View Document |
| N-Q | Sept. 29, 2015 | MHI SCHEDULE | View Document |
| 3 | Sept. 23, 2015 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 21, 2015 | ANNUAL NPX DISCLOSURE | View Document |
| N-CSR | June 26, 2015 | - | View Document |
| NSAR-B | June 26, 2015 | PIONEER MUNICIPAL HIGH INCOME TRUST NSAR-B | View Document |
| N-Q | March 31, 2015 | MHI SCHEDULE | View Document |
| N-CSR | Dec. 29, 2014 | - | View Document |
| NSAR-A | Dec. 29, 2014 | PIONEER MUNICIPAL HIGH INCOME TRUST 10.31.14 | View Document |
| 3 | Dec. 22, 2014 | PRIMARY DOCUMENT | View Document |
| 4 | Dec. 3, 2014 | PRIMARY DOCUMENT | View Document |
| 3 | Dec. 2, 2014 | FORM 3 SUBMISSION | View Document |
| SC 13G/A | Dec. 2, 2014 | SC 13G/A | View Document |
| 3 | Nov. 6, 2014 | PRIMARY DOCUMENT | View Document |
| N-Q | Sept. 29, 2014 | MHI SCHEDULE | View Document |
| 3 | Sept. 23, 2014 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 27, 2014 | ANNUAL NPX DISCLOSURE | View Document |
| N-CSR | June 27, 2014 | - | View Document |
| NSAR-B | June 27, 2014 | PIONEER MUNICIPAL HIGH INCOME TRUST NSAR B | View Document |
| N-Q | March 28, 2014 | MHI SCHEDULE | View Document |
| SC 13G/A | Feb. 14, 2014 | AMENDED SCHEDULE 13G | View Document |
| 3 | Feb. 3, 2014 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 29, 2014 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 28, 2014 | PRIMARY DOCUMENT | View Document |
| NSAR-A | Dec. 27, 2013 | 103113 MHI NSAR | View Document |
| N-CSR | Dec. 27, 2013 | - | View Document |
| 4 | Oct. 17, 2013 | PRIMARY DOCUMENT | View Document |
| N-Q | Sept. 25, 2013 | MHI SCHEDULE | View Document |
| N-PX | Aug. 20, 2013 | FORM N-PX FILING | View Document |
| NSAR-B | June 28, 2013 | PIONEER MUNICIPAL HIGH INCOME TRUST NSAR-B 4.30.2013 | View Document |
| N-CSR | June 28, 2013 | - | View Document |
| 3 | May 30, 2013 | PRIMARY DOCUMENT | View Document |
| 4 | April 5, 2013 | PRIMARY DOCUMENT | View Document |
| N-Q | April 1, 2013 | MHI NQ SOI | View Document |
| 4 | March 13, 2013 | PRIMARY DOCUMENT | View Document |
| 4 | March 12, 2013 | PRIMARY DOCUMENT | View Document |
| NSAR-A/A | March 6, 2013 | NSAR-A/A | View Document |
| N-CSR/A | March 6, 2013 | - | View Document |
| SC 13G/A | Jan. 24, 2013 | AMENDED SCHEDULE 13G | View Document |
| NSAR-A | Dec. 28, 2012 | 103112 MHI NSAR | View Document |
| N-CSR | Dec. 28, 2012 | - | View Document |
| N-Q | Sept. 28, 2012 | MHI NQ SOI | View Document |
| N-PX | Aug. 20, 2012 | FORM N-PX FILING 2012 | View Document |
| NSAR-B | June 29, 2012 | - | View Document |
| N-CSR | June 29, 2012 | - | View Document |
| N-Q | March 30, 2012 | MHI NQ SOI | View Document |
| SC 13G/A | Feb. 6, 2012 | AMENDED SCHEDULE 13G | View Document |
| N-CSR | Dec. 30, 2011 | - | View Document |
| NSAR-A | Dec. 30, 2011 | - | View Document |
| 4 | Dec. 7, 2011 | PRIMARY DOCUMENT | View Document |
| N-Q | Sept. 29, 2011 | MHI NQ SOI | View Document |
| N-PX | Aug. 19, 2011 | ANNUAL FORM N-PX FILING | View Document |
| 4 | Aug. 12, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | Aug. 10, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | July 12, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | July 8, 2011 | PRIMARY DOCUMENT | View Document |
| N-CSR | June 29, 2011 | - | View Document |
| NSAR-B | June 29, 2011 | - | View Document |
| 4 | May 17, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | May 16, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | May 10, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | April 15, 2011 | PRIMARY DOCUMENT | View Document |
| 4 | April 14, 2011 | PRIMARY DOCUMENT | View Document |
| N-Q | April 1, 2011 | MUNICIPAL HIGH INCOME TRUST NQ | View Document |
| SC 13G/A | Feb. 14, 2011 | SCHEDULE 13G AMENDMENT NO. 2 | View Document |
| SC 13G/A | Jan. 14, 2011 | SC 13G/A | View Document |
| SC 13G/A | Jan. 11, 2011 | AMENDED SCHEDULE 13G | View Document |
| N-CSR | Dec. 30, 2010 | - | View Document |
| NSAR-A | Dec. 30, 2010 | - | View Document |
| N-Q | Sept. 29, 2010 | - | View Document |
| 4 | Sept. 24, 2010 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 26, 2010 | ANNUAL FORM N-PX DISCLOSURE | View Document |
| NSAR-B | June 29, 2010 | - | View Document |
| N-CSR | June 29, 2010 | - | View Document |
| 3 | June 7, 2010 | PRIMARY DOCUMENT | View Document |
| 3 | June 4, 2010 | PRIMARY DOCUMENT | View Document |
| 3 | April 15, 2010 | PRIMARY DOCUMENT | View Document |
| N-Q | March 31, 2010 | - | View Document |
| SC 13G/A | March 12, 2010 | SCHEDULE 13G AMENDMENT | View Document |
| 3/A | March 12, 2010 | - | View Document |
| SC 13G | Feb. 12, 2010 | ST-INITIAL-MS&CO | View Document |
| SC 13G | Jan. 19, 2010 | STATEMENT OF ACQUISITION OF BENEFICIAL OWNERSHIP | View Document |
| 3 | Jan. 15, 2010 | - | View Document |
| SC 13G/A | Jan. 12, 2010 | AMENDED SCHEDULE 13G | View Document |
| NSAR-A | Dec. 29, 2009 | - | View Document |
| N-CSR | Dec. 29, 2009 | - | View Document |
| N-Q | Sept. 29, 2009 | - | View Document |
| DEFA14A | Sept. 15, 2009 | SHAREHOLDER LETTER FOR MUNI HIGH INCOME TRUST | View Document |
| SC 13G/A | Sept. 9, 2009 | AMENDED SCHEDULE 13G | View Document |
| N-PX | Aug. 26, 2009 | ANNUAL FORM N-PX 2009 | View Document |
| 4 | Aug. 11, 2009 | PRIMARY DOCUMENT | View Document |
| NSAR-B | June 29, 2009 | - | View Document |
| N-CSR | June 29, 2009 | - | View Document |
| N-Q | March 31, 2009 | - | View Document |
| SC 13G | Feb. 10, 2009 | SC 13G | View Document |
| 3 | Feb. 10, 2009 | MAIN DOCUMENT DESCRIPTION | View Document |
| SC 13G/A | Feb. 9, 2009 | AMENDED SCHEDULE 13G | View Document |
| NSAR-A | Dec. 30, 2008 | - | View Document |
| N-CSR | Dec. 30, 2008 | - | View Document |
| N-Q | Sept. 29, 2008 | - | View Document |
| 3 | Sept. 23, 2008 | PRIMARY DOCUMENT | View Document |
| N-PX | Aug. 25, 2008 | ANNUAL N-PX FILING | View Document |
| NSAR-B | June 27, 2008 | - | View Document |
| N-CSR | June 27, 2008 | - | View Document |
| N-CSR | June 27, 2008 | - | View Document |
| N-Q | March 28, 2008 | - | View Document |
| SC 13G/A | Feb. 12, 2008 | AMENDED SCHEDULE 13G | View Document |
| 3 | Jan. 11, 2008 | PRIMARY DOCUMENT | View Document |
| N-CSR | Dec. 27, 2007 | - | View Document |
| NSAR-A | Dec. 27, 2007 | - | View Document |
| N-Q | Sept. 28, 2007 | - | View Document |
| N-PX | Aug. 21, 2007 | ANNUAL NPX FILING 2007 | View Document |
| N-CSR | June 28, 2007 | - | View Document |
| NSAR-B | June 28, 2007 | - | View Document |
| N-Q | March 29, 2007 | - | View Document |
| 3 | March 20, 2007 | PRIMARY DOCUMENT | View Document |
| 3 | March 8, 2007 | PRIMARY DOCUMENT | View Document |
| SC 13G | Jan. 26, 2007 | SCHEDULE 13G | View Document |
| 3/A | Jan. 23, 2007 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 23, 2007 | PRIMARY DOCUMENT | View Document |
| NSAR-A | Dec. 22, 2006 | - | View Document |
| N-CSR | Dec. 22, 2006 | - | View Document |
| N-Q | Sept. 28, 2006 | - | View Document |
| N-PX | Aug. 25, 2006 | FORM N-PX 2006 PIONEER MUNI HIGH INC | View Document |
| 3 | July 19, 2006 | PRIMARY DOCUMENT | View Document |
| N-CSR | June 29, 2006 | - | View Document |
| NSAR-B | June 27, 2006 | - | View Document |
| 3 | June 23, 2006 | PRIMARY DOCUMENT | View Document |
| 3 | June 15, 2006 | PRIMARY DOCUMENT | View Document |
| N-Q | March 30, 2006 | - | View Document |
| 40-17G | Feb. 15, 2006 | AUTO-GENERATED PAPER DOCUMENT | View Document |
| N-CSR | Jan. 3, 2006 | - | View Document |
| NSAR-A | Dec. 29, 2005 | - | View Document |
| 40-17G | Nov. 17, 2005 | AUTO-GENERATED PAPER DOCUMENT | View Document |
| N-Q | Sept. 26, 2005 | - | View Document |
| N-PX | Aug. 25, 2005 | N-PX PIONEER MUNI HIGH INC TST | View Document |
| N-CSR | June 27, 2005 | - | View Document |
| NSAR-B | June 27, 2005 | - | View Document |
| 3 | May 26, 2005 | PRIMARY DOCUMENT | View Document |
| N-Q | March 31, 2005 | - | View Document |
| N-CSR | Dec. 29, 2004 | - | View Document |
| NSAR-A | Dec. 29, 2004 | - | View Document |
| 40-17G | Nov. 19, 2004 | AUTO-GENERATED PAPER DOCUMENT | View Document |
| N-Q | Sept. 29, 2004 | - | View Document |
| N-PX | Aug. 26, 2004 | N-PX PIONEER MUNICIPAL HIGH INCOME TRUST | View Document |
| N-CSR | July 1, 2004 | NCSR | View Document |
| NSAR-B | June 28, 2004 | - | View Document |
| 4 | June 7, 2004 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 14, 2004 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 14, 2004 | PRIMARY DOCUMENT | View Document |
| 3 | Jan. 14, 2004 | PRIMARY DOCUMENT | View Document |
| N-CSR | Jan. 8, 2004 | - | View Document |
| 3 | Jan. 7, 2004 | PRIMARY DOCUMENT | View Document |
| NSAR-A | Dec. 29, 2003 | - | View Document |
| 4 | Dec. 15, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | Nov. 20, 2003 | PRIMARY DOCUMENT | View Document |
| 40-17G | Nov. 12, 2003 | AUTO-GENERATED PAPER DOCUMENT | View Document |
| 497 | Sept. 30, 2003 | DEFINITIVE PROSPECTUS AND SAI | View Document |
| N-2/A | Sept. 25, 2003 | REGISTRATION STATEMENT | View Document |
| N-2/A | Sept. 22, 2003 | REGISTRATION STATEMENT | View Document |
| 3 | Sept. 5, 2003 | PRIMARY DOCUMENT | View Document |
| N-2 | Aug. 8, 2003 | INITIAL REGISTRATION STATEMENT ON FORM N-2 FOR PREFERRED SHARES | View Document |
| 3 | July 25, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 25, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 25, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 25, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 25, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 22, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 22, 2003 | PRIMARY DOCUMENT | View Document |
| 497 | July 21, 2003 | RULE 497 PROSPECTUS AND SAI | View Document |
| N-2/A | July 17, 2003 | PRE-EFFECTIVE AMENDMENT NO. 3 | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| 3 | July 16, 2003 | PRIMARY DOCUMENT | View Document |
| CERTNYS | July 14, 2003 | AUTO-GENERATED PAPER DOCUMENT | View Document |
| 8-A12B | July 10, 2003 | FORM 8-A | View Document |
| N-2/A | July 2, 2003 | PRE-EFFECTIVE AMENDMENT 2 TO FORM N-2 REGISTRATION STATEMENT | View Document |
| N-2/A | June 23, 2003 | REGISTRATION STATEMENT | View Document |
| N-2 | March 14, 2003 | REGISTRATION STATEMENT ON FORM N-2 | View Document |
| N-8A | March 14, 2003 | NOTICE OF REGISTRATION UNDER 1940 ACT | View Document |