| Date Filed | Type | Description |
| 08/14/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/12/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/14/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/14/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/15/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/16/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/14/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/12/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/13/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/17/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/16/2021 |
SC 13G/A
| PERRITT CAPITAL MANAGEMENT INC reports a 0% stake in CynergisTek, Inc. |
| 02/16/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/16/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/13/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/15/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/10/2020 |
SC 13G/A
| PERRITT CAPITAL MANAGEMENT INC reports a 5.5% stake in CynergisTek, Inc. |
| 02/10/2020 |
SC 13G/A
| PERRITT CAPITAL MANAGEMENT INC reports a 4.9% stake in Northern Technologies International Corporation |
| 02/05/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/12/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/13/2019 |
13F-HR/A
| Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings: [Amend] |
| 08/13/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/13/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/08/2019 |
SC 13G
| PERRITT CAPITAL MANAGEMENT INC reports a 5.9% stake in CynergisTek, Inc. |
| 02/08/2019 |
SC 13G/A
| PERRITT CAPITAL MANAGEMENT INC reports a 4.4% stake in CPI Aerostructures, Inc. |
| 02/08/2019 |
SC 13G/A
| PERRITT CAPITAL MANAGEMENT INC reports a 5.8% stake in Northern Technologies International Corporation |
| 02/08/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/14/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/14/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/15/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/07/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
|