| 40-17G |
Open Document
|
Open Filing |
|
Oct 30, 2025 |
|
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Oct 24, 2025 |
Aug 31, 2025 |
811-05785 |
| SCHEDULE 13G/A |
Open Document
|
Open Filing |
|
Oct 15, 2025 |
|
005-84342 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Oct 6, 2025 |
Apr 2, 2025 |
|
| SCHEDULE 13G/A |
Open Document
|
Open Filing |
|
Oct 2, 2025 |
|
005-84342 |
| N-PX |
Open Document
|
Open Filing |
|
Aug 28, 2025 |
Jun 30, 2025 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
|
Aug 22, 2025 |
Oct 2, 2025 |
811-05785 |
| CORRESP |
Open Document
|
Open Filing |
|
Aug 19, 2025 |
|
|
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST (CXH) NCSRS |
Jul 28, 2025 |
May 31, 2025 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jul 25, 2025 |
May 31, 2025 |
811-05785 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Jun 27, 2025 |
Sep 30, 2024 |
|
| SCHEDULE 13G |
Open Document
|
Open Filing |
|
May 15, 2025 |
|
005-84342 |
| SCHEDULE 13G/A |
Open Document
|
Open Filing |
|
Apr 24, 2025 |
|
005-84342 |
| 3 |
Open Document
|
Open Filing |
|
Apr 24, 2025 |
Nov 8, 2024 |
|
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 24, 2025 |
Feb 28, 2025 |
811-05785 |
| SCHEDULE 13G |
Open Document
|
Open Filing |
|
Feb 14, 2025 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 11, 2025 |
Nov 30, 2024 |
811-05785 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST NCSR |
Jan 27, 2025 |
Nov 30, 2024 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 24, 2025 |
Nov 30, 2024 |
811-05785 |
| 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 |
|
005-84342 |
| 40-17G |
Open Document
|
Open Filing |
|
Oct 28, 2024 |
|
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Oct 25, 2024 |
Aug 31, 2024 |
811-05785 |
| 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 |
|
005-84342 |
| 3 |
Open Document
|
Open Filing |
|
Sep 26, 2024 |
Feb 13, 2024 |
|
| 3 |
Open Document
|
Open Filing |
|
Sep 26, 2024 |
Feb 13, 2024 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Sep 26, 2024 |
|
005-84342 |
| 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 |
|
005-84342 |
| 4 |
Open Document
|
Open Filing |
4 |
Sep 3, 2024 |
Aug 30, 2024 |
|
| N-PX |
Open Document
|
Open Filing |
|
Aug 27, 2024 |
Jun 30, 2024 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
|
Aug 23, 2024 |
Oct 3, 2024 |
811-05785 |
| 4 |
Open Document
|
Open Filing |
4 |
Aug 6, 2024 |
Aug 2, 2024 |
|
| NPORT-P |
Open Document
|
Open Filing |
|
Jul 25, 2024 |
May 31, 2024 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST NCSRS |
Jul 22, 2024 |
May 31, 2024 |
811-05785 |
| 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 |
817-01078 |
| SC 13D/A |
Open Document
|
Open Filing |
FORM SC 13D/A |
May 1, 2024 |
|
005-84342 |
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 24, 2024 |
Feb 29, 2024 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
|
Feb 14, 2024 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 9, 2024 |
Nov 30, 2023 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
|
Jan 30, 2024 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST NCSR |
Jan 25, 2024 |
Nov 30, 2023 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 24, 2024 |
Nov 30, 2023 |
811-05785 |
| SC 13D/A |
Open Document
|
Open Filing |
FORM SC 13D/A |
Jan 10, 2024 |
|
005-84342 |
| SC 13D/A |
Open Document
|
Open Filing |
FORM SC 13D/A |
Dec 26, 2023 |
|
005-84342 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Dec 1, 2023 |
|
005-84342 |
| SC TO-I/A |
Open Document
|
Open Filing |
|
Nov 14, 2023 |
|
005-84342 |
| SC 13D/A |
Open Document
|
Open Filing |
FORM SC 13D/A |
Nov 13, 2023 |
|
005-84342 |
| 4/A |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Nov 9, 2023 |
Nov 8, 2023 |
|
| 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 |
|
005-84342 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Oct 25, 2023 |
Oct 24, 2023 |
|
| NPORT-P |
Open Document
|
Open Filing |
|
Oct 24, 2023 |
Aug 31, 2023 |
811-05785 |
| SC TO-I |
Open Document
|
Open Filing |
|
Oct 6, 2023 |
|
005-84342 |
| N-23C-2 |
Open Document
|
Open Filing |
|
Oct 5, 2023 |
Oct 5, 2023 |
817-01078 |
| 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 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 29, 2023 |
Jun 30, 2023 |
811-05785 |
| SC TO-C |
Open Document
|
Open Filing |
|
Aug 25, 2023 |
|
005-84342 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jul 25, 2023 |
May 31, 2023 |
811-05785 |
| SC 13D |
Open Document
|
Open Filing |
FORM SC 13D |
Jul 24, 2023 |
|
005-84342 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Jul 24, 2023 |
Jul 21, 2023 |
|
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST NCSRS |
Jul 18, 2023 |
May 31, 2023 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 24, 2023 |
Feb 28, 2023 |
811-05785 |
| 40-17G |
Open Document
|
Open Filing |
|
Apr 4, 2023 |
|
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
FORM SC 13G/A |
Feb 14, 2023 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 10, 2023 |
Nov 30, 2022 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 24, 2023 |
Nov 30, 2022 |
811-05785 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST NCSR |
Jan 19, 2023 |
Nov 30, 2022 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
FORM SC 13G |
Nov 28, 2022 |
|
005-84342 |
| 40-17G |
Open Document
|
Open Filing |
|
Oct 31, 2022 |
|
811-05785 |
| 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 |
811-05785 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 29, 2022 |
Jun 30, 2022 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 26, 2022 |
Oct 6, 2022 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jul 25, 2022 |
May 31, 2022 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 22, 2022 |
May 31, 2022 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 25, 2022 |
Feb 28, 2022 |
811-05785 |
| 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 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 24, 2022 |
Nov 30, 2021 |
811-05785 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 20, 2022 |
Nov 30, 2021 |
811-05785 |
| 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 |
811-05785 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Oct 22, 2021 |
Apr 15, 2021 |
|
| 40-17G |
Open Document
|
Open Filing |
|
Sep 13, 2021 |
|
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 27, 2021 |
Jun 30, 2021 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 27, 2021 |
Oct 7, 2021 |
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
SC 13G/A |
Aug 10, 2021 |
|
005-84342 |
| SC 13G |
Open Document
|
Open Filing |
SC 13G |
Aug 3, 2021 |
|
005-84342 |
| 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 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 22, 2021 |
May 31, 2021 |
811-05785 |
| 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 |
817-01078 |
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 23, 2021 |
Feb 28, 2021 |
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
KARPUS INVESTMENT MGT / MFS INVESTMENT GRADE MUNICIPAL TRUST - SCHEDULE 13G/A(#4 |
Feb 12, 2021 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 11, 2021 |
Nov 30, 2020 |
811-05785 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 29, 2021 |
Nov 30, 2020 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 22, 2021 |
Nov 30, 2020 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Oct 26, 2020 |
Aug 31, 2020 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 28, 2020 |
Jun 30, 2020 |
811-05785 |
| 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 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jul 24, 2020 |
May 31, 2020 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 22, 2020 |
May 31, 2020 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Apr 23, 2020 |
Feb 29, 2020 |
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2020 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 11, 2020 |
Nov 30, 2019 |
811-05785 |
| 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 |
|
811-05785 |
| CORRESP |
Open Document
|
Open Filing |
|
Jan 29, 2020 |
|
|
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 29, 2020 |
Nov 30, 2019 |
811-05785 |
| NPORT-P |
Open Document
|
Open Filing |
|
Jan 23, 2020 |
Nov 30, 2019 |
811-05785 |
| 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 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 28, 2019 |
Jun 30, 2019 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 22, 2019 |
Oct 3, 2019 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 23, 2019 |
May 31, 2019 |
811-05785 |
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Apr 22, 2019 |
Feb 28, 2019 |
811-05785 |
| 40-17G |
Open Document
|
Open Filing |
|
Feb 28, 2019 |
|
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2019 |
|
005-84342 |
| N-CEN |
Open Document
|
Open Filing |
|
Feb 12, 2019 |
Nov 30, 2018 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Feb 5, 2019 |
Jan 1, 2018 |
|
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 23, 2019 |
Nov 30, 2018 |
811-05785 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Oct 24, 2018 |
Aug 31, 2018 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 28, 2018 |
Jun 30, 2018 |
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Aug 24, 2018 |
|
005-84342 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 23, 2018 |
Oct 4, 2018 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 18, 2018 |
May 31, 2018 |
811-05785 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Jun 28, 2018 |
Dec 31, 2017 |
|
| SC TO-I/A |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I/A AMENDMENT NO. 2 |
May 4, 2018 |
|
005-84342 |
| SC TO-I/A |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I/A AMENDMENT NO. 1 |
May 3, 2018 |
|
005-84342 |
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Apr 18, 2018 |
Feb 28, 2018 |
811-05785 |
| SC TO-I |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I |
Apr 3, 2018 |
|
005-84342 |
| 40-17G |
Open Document
|
Open Filing |
2018 FIDELITY BOND 17G-1 FILING |
Mar 21, 2018 |
|
811-05785 |
| SC TO-C |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-C |
Mar 12, 2018 |
|
005-84342 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2018 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 26, 2018 |
Nov 30, 2017 |
811-05785 |
| NSAR-B |
Open Document
|
Open Filing |
|
Jan 26, 2018 |
Nov 30, 2017 |
811-05785 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Oct 26, 2017 |
Aug 31, 2017 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
|
Oct 10, 2017 |
|
005-84342 |
| SC TO-I/A |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I/A - AMENDMENT NO. 2 |
Sep 8, 2017 |
|
005-84342 |
| SC TO-I/A |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I/A AMENDMENT NO. 1 |
Sep 7, 2017 |
|
005-84342 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 28, 2017 |
Jun 30, 2017 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 24, 2017 |
Oct 5, 2017 |
811-05785 |
| SC TO-I |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-I |
Aug 8, 2017 |
|
005-84342 |
| N-CSRS |
Open Document
| Data
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 27, 2017 |
May 31, 2017 |
811-05785 |
| NSAR-A |
Open Document
|
Open Filing |
|
Jul 26, 2017 |
May 31, 2017 |
811-05785 |
| SC 13D/A |
Open Document
|
Open Filing |
|
Jul 12, 2017 |
|
005-84342 |
| SC TO-C |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST SC TO-C |
Jul 11, 2017 |
|
005-84342 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Apr 20, 2017 |
Feb 28, 2017 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Apr 19, 2017 |
Apr 11, 2017 |
|
| SC 13D |
Open Document
|
Open Filing |
|
Apr 12, 2017 |
|
005-84342 |
| 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 |
|
811-05785 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 14, 2017 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 30, 2017 |
Nov 30, 2016 |
811-05785 |
| NSAR-B |
Open Document
|
Open Filing |
|
Jan 26, 2017 |
Nov 30, 2016 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Dec 27, 2016 |
Dec 17, 2016 |
|
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Oct 20, 2016 |
Aug 31, 2016 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 29, 2016 |
Jun 30, 2016 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 19, 2016 |
Oct 6, 2016 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 26, 2016 |
May 31, 2016 |
811-05785 |
| NSAR-A |
Open Document
|
Open Filing |
|
Jul 25, 2016 |
May 31, 2016 |
811-05785 |
| N-Q |
Open Document
| Data
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Apr 28, 2016 |
Feb 29, 2016 |
811-05785 |
| 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 |
CITIGROUP INC. SC 13GA NO 1 3-31-2016 (MFS INVESTMENT GRADE MUNICIPAL TRUST) |
Apr 11, 2016 |
|
005-84342 |
| SC 13G |
Open Document
| Data
|
Open Filing |
CITIGROUP INC SC 13G 3-31-2016 (MFS INVESTMENT GRADE MUNICIPAL TRUST) |
Apr 11, 2016 |
|
005-84342 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-23C-2 |
Mar 18, 2016 |
Mar 18, 2016 |
817-01078 |
| 40-17G |
Open Document
|
Open Filing |
FIDELITY BONDS |
Mar 14, 2016 |
|
811-05785 |
| N-23C-2 |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-23C-2 |
Feb 17, 2016 |
Feb 17, 2016 |
817-01078 |
| SC 13G/A |
Open Document
|
Open Filing |
|
Feb 12, 2016 |
|
005-84342 |
| SC 13G/A |
Open Document
|
Open Filing |
AMENDED SCHEDULE 13G |
Feb 10, 2016 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Feb 1, 2016 |
Nov 30, 2015 |
811-05785 |
| NSAR-B |
Open Document
|
Open Filing |
|
Jan 27, 2016 |
Nov 30, 2015 |
811-05785 |
| 4 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Dec 1, 2015 |
May 31, 2015 |
|
| SC 13G/A |
Open Document
|
Open Filing |
|
Nov 10, 2015 |
|
005-84342 |
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Oct 29, 2015 |
Aug 31, 2015 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Sep 15, 2015 |
Sep 10, 2015 |
|
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 26, 2015 |
Jun 30, 2015 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 21, 2015 |
Oct 1, 2015 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
|
Aug 10, 2015 |
|
005-84342 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Jul 30, 2015 |
May 31, 2015 |
811-05785 |
| NSAR-A |
Open Document
|
Open Filing |
|
Jul 28, 2015 |
May 31, 2015 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Jul 21, 2015 |
Jul 15, 2015 |
|
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST |
Apr 27, 2015 |
Feb 28, 2015 |
811-05785 |
| SC 13G |
Open Document
|
Open Filing |
SCHEDULE 13G |
Feb 11, 2015 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Feb 3, 2015 |
Nov 30, 2014 |
811-05785 |
| NSAR-B |
Open Document
|
Open Filing |
|
Jan 26, 2015 |
Nov 30, 2014 |
811-05785 |
| 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 |
|
811-05785 |
| N-Q |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Oct 28, 2014 |
Aug 31, 2014 |
811-05785 |
| N-PX |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-PX |
Aug 27, 2014 |
Jun 30, 2014 |
811-05785 |
| DEF 14A |
Open Document
|
Open Filing |
MFS MULTI CLOSED END FUND DEF 14A |
Aug 22, 2014 |
Oct 2, 2014 |
811-05785 |
| N-CSRS |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSRS |
Aug 5, 2014 |
May 31, 2014 |
811-05785 |
| NSAR-A |
Open Document
|
Open Filing |
|
Jul 29, 2014 |
May 31, 2014 |
811-05785 |
| 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 INVESTMENT GRADE MUNICIPAL TRUST N-Q |
Apr 28, 2014 |
Feb 28, 2014 |
811-05785 |
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Feb 20, 2014 |
Feb 11, 2014 |
|
| SC 13G/A |
Open Document
|
Open Filing |
AMENDED SCHEDULE 13G |
Feb 13, 2014 |
|
005-84342 |
| N-CSR |
Open Document
|
Open Filing |
MFS INVESTMENT GRADE MUNICIPAL TRUST N-CSR |
Jan 28, 2014 |
Nov 30, 2013 |
811-05785 |
| NSAR-B |
Open Document
|
Open Filing |
|
Jan 27, 2014 |
Nov 30, 2013 |
811-05785 |
| CORRESP |
Open Document
|
Open Filing |
|
Jan 21, 2014 |
|
|
| 3 |
Open Document
|
Open Filing |
PRIMARY DOCUMENT |
Jan 10, 2014 |
Jan 1, 2014 |
|