| Date Filed | Type | Description |
| 08/13/2019 |
10-Q
| Quarterly Report for the period ended June 30, 2019 |
| 05/17/2019 |
15-12G
| Form 15-12G - Securities registration termination [Section 12(g)]: |
| 05/13/2019 |
10-Q
| Quarterly Report for the period ended March 31, 2019 |
| 05/02/2019 |
8-K
| Other Events |
| 04/26/2019 |
SC 13D/A
| Zeff Capital, LP reports a 3.8% stake in Microwave Filter Company, Inc. |
| 02/13/2019 |
10-Q
| Quarterly Report for the period ended December 31, 2018 |
| 02/07/2019 |
8-K
| Quarterly results |
| 12/11/2018 |
DEFR14A
| Form DEFR14A - Revised definitive proxy soliciting materials: |
| 12/10/2018 |
DEFR14A
| Form DEFR14A - Revised definitive proxy soliciting materials: |
| 12/10/2018 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 12/07/2018 |
10-K
| Annual Report for the period ended September 30, 2018 |
| 08/13/2018 |
10-Q
| Quarterly Report for the period ended June 30, 2018 |
| 06/11/2018 |
SC 13D/A
| Zeff Capital, LP reports a 8.6% stake in Microwave Filter Company, Inc. |
| 05/11/2018 |
10-Q
| Quarterly Report for the period ended March 31, 2018 |
| 02/13/2018 |
10-Q
| Quarterly Report for the period ended December 31, 2017 |
| 02/13/2018 |
8-K
| Other Events |
| 01/31/2018 |
8-K
| Submission of Matters to a Vote of Security Holders |
| 01/31/2018 |
8-K/A
| Other Events |
| 01/30/2018 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 01/25/2018 |
8-K
| Other Events |
| 01/22/2018 |
SC 13D
| Zeff Capital, LP reports a 8.6% stake in Microwave Filter Company, Inc. |
| 01/03/2018 |
SC 13G/A
| Zeff Capital, LP reports a 8.6% stake in Microwave Filter Company, Inc. |
| 12/14/2017 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 12/08/2017 |
10-K
| Annual Report for the period ended September 30, 2017 |
| 08/11/2017 |
10-Q
| Quarterly Report for the period ended June 30, 2017 |
| 05/12/2017 |
10-Q
| Quarterly Report for the period ended March 31, 2017 |
| 02/13/2017 |
10-Q
| Quarterly Report for the period ended December 31, 2016 |
| 02/01/2017 |
8-K
| Quarterly results |
| 01/18/2017 |
SC 13G/A
| Gerst Capital, LLC reports a 6.4% stake in Microwave Filter Company, Inc. |
| 01/13/2017 |
SC 13G/A
| Zeff Capital, LP reports a 9.3% stake in Microwave Filter Company, Inc. |
| 12/15/2016 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 12/13/2016 |
8-K
| Form 8-K - Current report |
| 12/09/2016 |
10-K
| Annual Report for the period ended September 30, 2016 |
| 08/12/2016 |
10-Q
| Quarterly Report for the period ended June 30, 2016 |
|