This page lists the SEC filings reported by PERKINS CAPITAL MANAGEMENT INC.
| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2023-05-15 | PERKINS CAPITAL MANAGEMENT INC | BIOLASE, INC | 689,196 | 2.1% | EDGAR |
| SC 13G/A | 2023-02-09 | PERKINS CAPITAL MANAGEMENT INC | FlexShopper, Inc. | 1,281,460 | 5.9% | EDGAR |
| SC 13G | 2023-02-09 | PERKINS CAPITAL MANAGEMENT INC | BIOLASE, INC | 3,288,581 | 11.9% | EDGAR |
| SC 13G/A | 2021-02-11 | PERKINS CAPITAL MANAGEMENT INC | FlexShopper, Inc. | 1,305,530 | 6.1% | EDGAR |
| SC 13G/A | 2020-02-14 | PERKINS CAPITAL MANAGEMENT INC | Avinger Inc | 891,761 | 5.2% | EDGAR |
| SC 13G | 2020-02-14 | PERKINS CAPITAL MANAGEMENT INC | FlexShopper, Inc. | 1,382,400 | 7.8% | EDGAR |
| SC 13G/A | 2019-02-15 | PERKINS CAPITAL MANAGEMENT INC | Black Ridge Oil & Gas, Inc. | 30,021,032 | 6.3% | EDGAR |
| SC 13G/A | 2019-02-15 | PERKINS CAPITAL MANAGEMENT INC | CANCER GENETICS, INC | 1,135,250 | 4.0% | EDGAR |
| SC 13G/A | 2019-02-15 | PERKINS CAPITAL MANAGEMENT INC | Xtant Medical Holdings, Inc. | 684,408 | 3.6% | EDGAR |
| SC 13G | 2019-02-15 | PERKINS CAPITAL MANAGEMENT INC | TearLab Corp | 1,666,294 | 13.1% | EDGAR |
| SC 13G | 2019-02-15 | PERKINS CAPITAL MANAGEMENT INC | Avinger Inc | 3,593,093 | 10.8% | EDGAR |
| SC 13D | 2018-01-26 | PERKINS CAPITAL MANAGEMENT INC | TearLab Corp | 4,300,655 | 40.1% | EDGAR |
| SC 13G/A | 2018-01-26 | PERKINS CAPITAL MANAGEMENT INC | Xtant Medical Holdings, Inc. | 1,131,245 | 6.0% | EDGAR |
| SC 13G/A | 2018-01-26 | PERKINS CAPITAL MANAGEMENT INC | CANCER GENETICS, INC | 1,406,700 | 5.7% | EDGAR |
| SC 13G | 2018-01-26 | PERKINS CAPITAL MANAGEMENT INC | Black Ridge Oil & Gas, Inc. | 30,094,032 | 6.3% | EDGAR |
| SC 13G/A | 2017-02-09 | PERKINS CAPITAL MANAGEMENT INC | Xtant Medical Holdings, Inc. | 1,702,049 | 9.5% | EDGAR |
| SC 13G/A | 2017-02-09 | PERKINS CAPITAL MANAGEMENT INC | EnteroMedics Inc | 1,455 | 0.0% | EDGAR |
| SC 13G/A | 2017-02-09 | PERKINS CAPITAL MANAGEMENT INC | BIO KEY INTERNATIONAL INC | 274,900 | 4.4% | EDGAR |
| SC 13G | 2017-02-09 | PERKINS CAPITAL MANAGEMENT INC | CANCER GENETICS, INC | 461,000 | 7.8% | EDGAR |
| SC 13D/A | 2016-07-12 | PERKINS CAPITAL MANAGEMENT INC | NANOSPHERE INC | 143,000 | 1.1% | EDGAR |
- Form 13F-HR
- The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
- Form SC 13D/G
- Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
- Form 3, 4, and 5
- Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.