| Date Filed | Type | Description |
| 02/09/2023 |
SC 13G
| PERKINS CAPITAL MANAGEMENT INC reports a 11.9% stake in Biolase, Inc |
| 02/09/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/11/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/14/2020 |
SC 13G
| PERKINS CAPITAL MANAGEMENT INC reports a 7.8% stake in FlexShopper, Inc |
| 02/14/2020 |
SC 13G/A
| PERKINS CAPITAL MANAGEMENT INC reports a 5.2% stake in Avinger Inc |
| 02/15/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/15/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/15/2019 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/15/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/15/2019 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 01/26/2018 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 01/26/2018 |
SC 13G/A
| PERKINS CAPITAL MANAGEMENT INC reports a 5.7% stake in Cancer Genetics, Inc |
| 01/26/2018 |
SC 13G/A
| PERKINS CAPITAL MANAGEMENT INC reports a 6% stake in Xtant Medical Holdings, Inc |
| 01/26/2018 |
SC 13G
| PERKINS CAPITAL MANAGEMENT INC reports a 6.3% stake in Black Ridge Oil & Gas Inc |
| 02/09/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/09/2017 |
SC 13G/A
| PERKINS CAPITAL MANAGEMENT INC reports a 4.4% stake in Bio-Key International, Inc. |
| 02/09/2017 |
SC 13G
| PERKINS CAPITAL MANAGEMENT INC reports a 7.8% stake in Cancer Genetics, Inc |
| 02/09/2017 |
SC 13G/A
| Xtant Medical Holdings, Inc. reports a 9.5% stake in Xtant Medical Holdings, Inc |
| 07/12/2016 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership [Amend] |
| 07/12/2016 |
SC 13D/A
| PERKINS CAPITAL MANAGEMENT INC reports a 8.6% stake in Urologix Inc |
| 05/17/2016 |
SC 13D/A
| PERKINS CAPITAL MANAGEMENT INC reports a 16.8% stake in Urologix Inc |
| 03/25/2016 |
SC 13D/A
| PERKINS CAPITAL MANAGEMENT INC reports a 18.7% stake in Urologix Inc |
| 02/11/2016 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership |
| 02/05/2016 |
SC 13D
| PERKINS CAPITAL MANAGEMENT INC reports a 21.1% stake in Urologix Inc |
| 02/04/2016 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/04/2016 |
SC 13G/A
| BIO KEY INTERNATIONAL INC reports a 6.8% stake in Bio-Key International, Inc. |
| 02/04/2016 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 02/11/2013 |
SC 13G/A
| JONES SODA CO reports a 3.4% stake in Jones Soda Co. |
| 07/20/2012 |
SC 13G/A
| PERKINS CAPITAL MANAGEMENT INC reports a 28.6% stake in Urologix, Inc. |
| 07/12/2012 |
SC 13G/A
| AspenBio Pharma, Inc. reports a 8.4% stake in AspenBio Pharma, Inc. |
| 06/15/2012 |
SC 13G/A
| Rosetta Genomics Ltd. reports a |
| 02/08/2012 |
SC 13G/A
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend] |
| 02/03/2012 |
SC 13G/A
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend] |
| 02/03/2012 |
SC 13G/A
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend] |
|