This page lists the SEC filings reported by Potomac Capital Management, Inc..
| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2021-02-16 | Potomac Capital Management, Inc. | HARVARD BIOSCIENCE INC | - | 0.0% | EDGAR |
| SC 13G/A | 2020-02-07 | Potomac Capital Management, Inc. | HARVARD BIOSCIENCE INC | - | 5.5% | EDGAR |
| SC 13G | 2019-07-17 | Potomac Capital Management, Inc. | HARVARD BIOSCIENCE INC | - | 5.7% | EDGAR |
| SC 13G/A | 2018-01-29 | Potomac Capital Management, Inc. | Cartesian, Inc. | - | 8.3% | EDGAR |
| SC 13G/A | 2017-02-06 | Potomac Capital Management, Inc. | NUMEREX CORP /PA/ | 483,751 | 2.5% | EDGAR |
| SC 13G/A | 2017-02-06 | Potomac Capital Management, Inc. | Cartesian, Inc. | 549,380 | 6.2% | 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.