| Date Filed | Type | Description |
| 08/14/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/15/2023 |
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: |
| 08/05/2022 |
13F-HR/A
| Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings: [Amend] |
| 08/03/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 04/27/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/07/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/16/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/07/2020 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 07/17/2019 |
SC 13G
| Potomac Capital Management, Inc. reports a 5.7% stake in Harvard Bioscience, Inc. |
| 01/29/2018 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/06/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/06/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals [Amend] |
| 11/12/2015 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/11/2015 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/05/2015 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/11/2015 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 10/23/2014 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/14/2014 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/14/2014 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/14/2014 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/16/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/13/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 05/18/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/11/2009 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 11/14/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 08/12/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |
| 02/14/2008 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings |