Mfs High Yield Municipal Trust

Symbol
CMU on NYSE
Entity
Company
Business address
111 Huntington Avenue, 24 Th Floor, 02199 Boston, MA
Phone
617-954-5000
State of incorporation
MA
Fiscal year end
November 30
Former names
COLONIAL MUNICIPAL INCOME TRUST (to 5/2/2007)
All SEC filings
View on sec.gov
Get insider transactions for this issuer
Mfs High Yield Municipal Trust has filed 523 SEC EDGAR filings since 1/31/1994

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
SCHEDULE 13G Open Document Open Filing Nov 14, 2025 005-84331
SCHEDULE 13D/A Open Document Open Filing Nov 14, 2025 005-84331
40-17G Open Document Open Filing Oct 30, 2025 811-04992
NPORT-P Open Document Open Filing Oct 24, 2025 Aug 31, 2025 811-04992
SCHEDULE 13G/A Open Document Open Filing Oct 7, 2025 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Oct 6, 2025 Apr 2, 2025
SCHEDULE 13G/A Open Document Open Filing Oct 2, 2025 005-84331
SCHEDULE 13D/A Open Document Open Filing Aug 28, 2025 005-84331
N-PX Open Document Open Filing Aug 28, 2025 Jun 30, 2025 811-04992
DEF 14A Open Document Open Filing Aug 22, 2025 Oct 2, 2025 811-04992
CORRESP Open Document Open Filing Aug 19, 2025
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST (CMU) NCSRS Jul 28, 2025 May 31, 2025 811-04992
NPORT-P Open Document Open Filing Jul 25, 2025 May 31, 2025 811-04992
SCHEDULE 13D/A Open Document Open Filing Jul 16, 2025 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Jun 27, 2025 Sep 30, 2024
SCHEDULE 13G/A Open Document Open Filing May 15, 2025 005-84331
NPORT-P Open Document Open Filing Apr 24, 2025 Feb 28, 2025 811-04992
SCHEDULE 13G/A Open Document Open Filing Apr 4, 2025 005-84331
3 Open Document Open Filing Feb 14, 2025 Feb 11, 2025
SCHEDULE 13D/A Open Document Open Filing Feb 14, 2025 005-84331
N-CEN Open Document Open Filing Feb 11, 2025 Nov 30, 2024 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST NCSR Jan 27, 2025 Nov 30, 2024 811-04992
NPORT-P Open Document Open Filing Jan 24, 2025 Nov 30, 2024 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Jan 23, 2025 Jul 15, 2024
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2025 Jan 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2025 Jan 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2025 Jan 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2025 Jan 1, 2025
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2025 Jan 1, 2025
SCHEDULE 13G Open Document Open Filing Jan 3, 2025 005-84331
SC 13G Open Document Open Filing Nov 14, 2024 005-84331
SC 13G Open Document Open Filing CITY OF LONDON INVESTMENT MGT CO LTD / MFS HIGH YIELD MUNI - SCH13G Nov 14, 2024 005-84331
40-17G Open Document Open Filing Oct 28, 2024 811-04992
NPORT-P Open Document Open Filing Oct 25, 2024 Aug 31, 2024 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Oct 1, 2024 Mar 31, 2024
SC 13G/A Open Document Open Filing SC 13G/A Oct 1, 2024 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Sep 19, 2024 Apr 1, 2024
4 Open Document Open Filing PRIMARY DOCUMENT Sep 18, 2024 Mar 18, 2024
4 Open Document Open Filing 4 Sep 13, 2024 Sep 5, 2024
SC 13G/A Open Document Open Filing SC 13G/A Sep 3, 2024 005-84331
4 Open Document Open Filing 4 Sep 3, 2024 Aug 30, 2024
N-PX Open Document Open Filing Aug 27, 2024 Jun 30, 2024 811-04992
DEF 14A Open Document Open Filing Aug 23, 2024 Oct 3, 2024 811-04992
4 Open Document Open Filing 4 Aug 6, 2024 Aug 2, 2024
NPORT-P Open Document Open Filing Jul 25, 2024 May 31, 2024 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST NCSRS Jul 22, 2024 May 31, 2024 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Jul 16, 2024 Jul 15, 2024
N-23C-2 Open Document Open Filing Jun 17, 2024 Jun 17, 2024 817-01077
NPORT-P Open Document Open Filing Apr 24, 2024 Feb 29, 2024 811-04992
SC 13D/A Open Document Open Filing Feb 28, 2024 005-84331
N-CEN Open Document Open Filing Feb 9, 2024 Nov 30, 2023 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 31, 2024 005-84331
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST NCSR Jan 25, 2024 Nov 30, 2023 811-04992
NPORT-P Open Document Open Filing Jan 24, 2024 Nov 30, 2023 811-04992
SC 13D/A Open Document Open Filing FORM SC 13D/A Jan 8, 2024 005-84331
SC 13D/A Open Document Open Filing Jan 2, 2024 005-84331
SC 13D/A Open Document Open Filing FORM SC 13D/A Dec 29, 2023 005-84331
SC 13D/A Open Document Open Filing FORM SC 13D/A Dec 26, 2023 005-84331
SC 13G/A Open Document Open Filing SC 13G/A Dec 1, 2023 005-84331
SC 13D/A Open Document Open Filing Nov 17, 2023 005-84331
SC TO-I/A Open Document Open Filing Nov 14, 2023 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Nov 13, 2023 Apr 6, 2023
4/A Open Document Open Filing PRIMARY DOCUMENT Nov 13, 2023 Nov 8, 2023
SC 13D/A Open Document Open Filing FORM SC 13D/A Nov 13, 2023 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Nov 9, 2023 Nov 8, 2023
4 Open Document Open Filing 4 Nov 7, 2023 Nov 3, 2023
SC TO-I/A Open Document Open Filing Nov 7, 2023 005-84331
NPORT-P Open Document Open Filing Oct 24, 2023 Aug 31, 2023 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Oct 10, 2023 Oct 6, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Oct 6, 2023 Oct 4, 2023
SC TO-I Open Document Open Filing Oct 6, 2023 005-84331
N-23C-2 Open Document Open Filing Oct 5, 2023 Oct 5, 2023 817-01077
4 Open Document Open Filing PRIMARY DOCUMENT Oct 3, 2023 Oct 3, 2023
3 Open Document Open Filing PRIMARY DOCUMENT Sep 6, 2023 Sep 1, 2023
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 30, 2023 Oct 5, 2023 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 29, 2023 Jun 30, 2023 811-04992
SC 13D/A Open Document Open Filing Aug 25, 2023 005-84331
SC TO-C Open Document Open Filing Aug 25, 2023 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Jul 25, 2023 Jul 24, 2023
NPORT-P Open Document Open Filing Jul 25, 2023 May 31, 2023 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Jul 19, 2023 Jul 18, 2023
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST NCSRS Jul 18, 2023 May 31, 2023 811-04992
SC 13D Open Document Open Filing Jul 17, 2023 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2023 Jun 27, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Jun 22, 2023 Jun 21, 2023
4 Open Document Open Filing PRIMARY DOCUMENT Jun 8, 2023 Jun 6, 2023
SC 13D/A Open Document Open Filing FORM SC 13D/A Jun 8, 2023 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT May 23, 2023 May 19, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 19, 2023 May 18, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 17, 2023 May 15, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 15, 2023 May 11, 2023
4 Open Document Open Filing PRIMARY DOCUMENT May 8, 2023 May 5, 2023
NPORT-P Open Document Open Filing Apr 24, 2023 Feb 28, 2023 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Apr 14, 2023 Mar 28, 2023
SC 13D Open Document Open Filing FORM SC 13D Apr 10, 2023 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Apr 10, 2023 Apr 5, 2023
40-17G Open Document Open Filing Apr 4, 2023 811-04992
SC 13G/A Open Document Open Filing FORM SC 13G/A Feb 14, 2023 005-84331
N-CEN Open Document Open Filing Feb 10, 2023 Nov 30, 2022 811-04992
NPORT-P Open Document Open Filing Jan 24, 2023 Nov 30, 2022 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST NCSR Jan 19, 2023 Nov 30, 2022 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 18, 2023 005-84331
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Dec 9, 2022 005-84331
SC 13G Open Document Open Filing FORM SC 13G Dec 8, 2022 005-84331
SC 13G/A Open Document Open Filing SC 13G/A Dec 6, 2022 005-84331
4 Open Document Open Filing FORM 4 SUBMISSION Nov 30, 2022 Nov 28, 2022
40-17G Open Document Open Filing Oct 31, 2022 811-04992
N-23C-2 Open Document Open Filing Oct 28, 2022 Oct 28, 2022 817-01077
4 Open Document Open Filing PRIMARY DOCUMENT Oct 25, 2022 Apr 19, 2022
NPORT-P Open Document Open Filing Oct 25, 2022 Aug 31, 2022 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Sep 6, 2022 Dec 31, 2021
4 Open Document Open Filing PRIMARY DOCUMENT Aug 31, 2022 Feb 28, 2022
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 29, 2022 Jun 30, 2022 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 26, 2022 Oct 6, 2022 811-04992
NPORT-P Open Document Open Filing Jul 25, 2022 May 31, 2022 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 22, 2022 May 31, 2022 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G May 6, 2022 005-84331
NPORT-P Open Document Open Filing Apr 25, 2022 Feb 28, 2022 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Apr 19, 2022 Oct 15, 2021
3 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2022 Mar 1, 2022
3 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2022 Mar 1, 2022
4 Open Document Open Filing PRIMARY DOCUMENT Feb 15, 2022 Aug 15, 2021
N-CEN Open Document Open Filing Feb 9, 2022 Nov 30, 2021 811-04992
NPORT-P Open Document Open Filing Jan 24, 2022 Nov 30, 2021 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 20, 2022 Nov 30, 2021 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 12, 2022 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Jan 4, 2022 Jun 18, 2021
4 Open Document Open Filing PRIMARY DOCUMENT Dec 23, 2021 Jan 31, 2020
NPORT-P Open Document Open Filing Oct 25, 2021 Aug 31, 2021 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Oct 22, 2021 Apr 15, 2021
40-17G Open Document Open Filing Sep 13, 2021 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 27, 2021 Jun 30, 2021 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 27, 2021 Oct 7, 2021 811-04992
SC 13G/A Open Document Open Filing SC 13G/A Aug 10, 2021 005-84331
SC 13G Open Document Open Filing SC 13G Aug 3, 2021 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Jul 27, 2021 Jul 20, 2021
NPORT-P Open Document Open Filing Jul 26, 2021 May 31, 2021 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 22, 2021 May 31, 2021 811-04992
4 Open Document Open Filing FORM 4 SUBMISSION Jul 22, 2021 Jul 20, 2021
3 Open Document Open Filing PRIMARY DOCUMENT Jun 25, 2021 Jun 18, 2021
N-23C-2 Open Document Open Filing Jun 21, 2021 Jun 18, 2021 817-01077
NPORT-P Open Document Open Filing Apr 23, 2021 Feb 28, 2021 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Apr 1, 2021 Mar 31, 2021
N-CEN Open Document Open Filing Feb 11, 2021 Nov 30, 2020 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Feb 3, 2021 005-84331
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 25, 2021 Nov 30, 2020 811-04992
NPORT-P Open Document Open Filing Jan 22, 2021 Nov 30, 2020 811-04992
NPORT-P Open Document Open Filing Oct 26, 2020 Aug 31, 2020 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 28, 2020 Jun 30, 2020 811-04992
4/A Open Document Open Filing PRIMARY DOCUMENT Aug 26, 2020 Dec 31, 2019
4 Open Document Open Filing PRIMARY DOCUMENT Aug 26, 2020 Jun 30, 2020
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 20, 2020 Oct 1, 2020 811-04992
NPORT-P Open Document Open Filing Jul 24, 2020 May 31, 2020 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 22, 2020 May 31, 2020 811-04992
NPORT-P Open Document Open Filing Apr 23, 2020 Feb 29, 2020 811-04992
N-CEN Open Document Open Filing Feb 11, 2020 Nov 30, 2019 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Feb 10, 2020 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Feb 6, 2020 Jan 31, 2020
3 Open Document Open Filing PRIMARY DOCUMENT Feb 6, 2020 Jan 31, 2020
40-17G Open Document Open Filing Feb 4, 2020 811-04992
CORRESP Open Document Open Filing Jan 29, 2020
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 29, 2020 Nov 30, 2019 811-04992
NPORT-P Open Document Open Filing Jan 23, 2020 Nov 30, 2019 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Jan 15, 2020 Jun 30, 2019
NPORT-EX Open Document Open Filing Oct 25, 2019 Aug 31, 2019 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 28, 2019 Jun 30, 2019 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 22, 2019 Oct 3, 2019 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 24, 2019 May 31, 2019 811-04992
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 22, 2019 Feb 28, 2019 811-04992
40-17G Open Document Open Filing Feb 28, 2019 811-04992
N-CEN Open Document Open Filing Feb 12, 2019 Nov 30, 2018 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2019 Jan 1, 2018
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Feb 1, 2019 005-84331
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 23, 2019 Nov 30, 2018 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Jan 10, 2019 Jan 1, 2019
3 Open Document Open Filing PRIMARY DOCUMENT Jan 10, 2019 Jan 1, 2019
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2019 Jan 1, 2019
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Oct 24, 2018 Aug 31, 2018 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 28, 2018 Jun 30, 2018 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 23, 2018 Oct 4, 2018 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 18, 2018 May 31, 2018 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2018 Dec 31, 2017
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 18, 2018 Feb 28, 2018 811-04992
40-17G Open Document Open Filing 2018 FIDELITY BOND 17G-1 FILING Mar 21, 2018 811-04992
NSAR-B Open Document Open Filing Jan 26, 2018 Nov 30, 2017 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 26, 2018 Nov 30, 2017 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 17, 2018 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Dec 11, 2017 Jun 14, 2017
4 Open Document Open Filing PRIMARY DOCUMENT Nov 30, 2017 May 31, 2017
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Oct 26, 2017 Aug 31, 2017 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 28, 2017 Jun 30, 2017 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 24, 2017 Oct 5, 2017 811-04992
NSAR-A Open Document Open Filing Jul 27, 2017 May 31, 2017 811-04992
N-CSRS Open Document | Data Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 27, 2017 May 31, 2017 811-04992
4 Open Document Open Filing PRIMARY DOCUMENT Jun 21, 2017 Dec 31, 2016
4 Open Document Open Filing PRIMARY DOCUMENT Jun 21, 2017 Dec 31, 2016
4 Open Document Open Filing PRIMARY DOCUMENT Jun 21, 2017 Dec 31, 2016
3 Open Document Open Filing PRIMARY DOCUMENT Jun 16, 2017 Jun 14, 2017
4 Open Document Open Filing PRIMARY DOCUMENT Jun 15, 2017 Dec 16, 2016
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 20, 2017 Feb 28, 2017 811-04992
CORRESP Open Document Open Filing Apr 6, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Mar 29, 2017 Mar 23, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Mar 24, 2017 Mar 23, 2017
3 Open Document Open Filing PRIMARY DOCUMENT Mar 10, 2017 Mar 6, 2017
40-17G Open Document Open Filing INSURANCE BONDS Feb 17, 2017 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 30, 2017 Nov 30, 2016 811-04992
NSAR-B Open Document Open Filing Jan 26, 2017 Nov 30, 2016 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 13, 2017 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Dec 27, 2016 Dec 17, 2016
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Oct 20, 2016 Aug 31, 2016 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 29, 2016 Jun 30, 2016 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 19, 2016 Oct 6, 2016 811-04992
NSAR-A Open Document Open Filing Jul 28, 2016 May 31, 2016 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 26, 2016 May 31, 2016 811-04992
N-Q Open Document | Data Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 27, 2016 Feb 29, 2016 811-04992
CORRESP Open Document Open Filing Apr 26, 2016
4 Open Document | Data Open Filing PRIMARY DOCUMENT Apr 14, 2016 Oct 15, 2015
SC 13G/A Open Document | Data Open Filing SC 13GA NO 1 3-31-2016 (MFS HIGH YIELD MUNICIPAL TRUST) Apr 11, 2016 005-84331
SC 13G Open Document | Data Open Filing SC 13G 3-31-2016 (MFS HIGH YIELD MUNICIPAL TRUST) Apr 11, 2016 005-84331
3 Open Document Open Filing FORM 3 SUBMISSION Apr 6, 2016 Mar 24, 2016
4 Open Document Open Filing FORM 4 SUBMISSION Apr 6, 2016 Mar 24, 2016
N-23C-2 Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-23C-2 Mar 18, 2016 Mar 18, 2016 817-01077
40-17G Open Document Open Filing FIDELITY BONDS Mar 14, 2016 811-04992
N-23C-2 Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-23C-2 Feb 17, 2016 Feb 17, 2016 817-01077
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Feb 1, 2016 Nov 30, 2015 811-04992
NSAR-B Open Document Open Filing Jan 28, 2016 Nov 30, 2015 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 19, 2016 005-84331
4 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2015 May 31, 2015
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Oct 29, 2015 Aug 31, 2015 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Sep 15, 2015 Sep 10, 2015
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 26, 2015 Jun 30, 2015 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 21, 2015 Oct 1, 2015 811-04992
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Jul 29, 2015 May 31, 2015 811-04992
NSAR-A Open Document Open Filing Jul 29, 2015 May 31, 2015 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Jul 21, 2015 Jul 15, 2015
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 27, 2015 Feb 28, 2015 811-04992
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Feb 3, 2015 Nov 30, 2014 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Feb 3, 2015 005-84331
NSAR-B Open Document Open Filing Jan 28, 2015 Nov 30, 2014 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Jan 8, 2015 Jan 1, 2015
4 Open Document Open Filing PRIMARY DOCUMENT Dec 24, 2014 Jun 26, 2014
40-17G Open Document Open Filing FIDELITY BONDS Dec 1, 2014 811-04992
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Oct 28, 2014 Aug 31, 2014 811-04992
N-PX Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-PX Aug 27, 2014 Jun 30, 2014 811-04992
DEF 14A Open Document Open Filing MFS MULTI CLOSED END FUND DEF 14A Aug 22, 2014 Oct 2, 2014 811-04992
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Aug 8, 2014 005-84331
N-CSRS Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSRS Aug 6, 2014 May 31, 2014 811-04992
NSAR-A Open Document Open Filing Jul 29, 2014 May 31, 2014 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Jun 27, 2014 Jun 26, 2014
4 Open Document Open Filing PRIMARY DOCUMENT Jun 13, 2014 Dec 31, 2013
3 Open Document Open Filing PRIMARY DOCUMENT May 7, 2014 May 6, 2014
N-Q Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-Q Apr 28, 2014 Feb 28, 2014 811-04992
3 Open Document Open Filing PRIMARY DOCUMENT Feb 20, 2014 Feb 11, 2014
N-CSR Open Document Open Filing MFS HIGH YIELD MUNICIPAL TRUST N-CSR Jan 28, 2014 Nov 30, 2013 811-04992
NSAR-B Open Document Open Filing Jan 28, 2014 Nov 30, 2013 811-04992
CORRESP Open Document Open Filing Jan 21, 2014
SC 13G/A Open Document Open Filing AMENDED SCHEDULE 13G Jan 15, 2014 005-84331
3 Open Document Open Filing PRIMARY DOCUMENT Jan 10, 2014 Jan 1, 2014