NEEDHAM INVESTMENT MANAGEMENT LLC 13D and 13G filings for GSE Systems, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2023-02-13 8:47 pm Purchase |
2022-12-31 | 13G | GSE Systems, Inc. GVP |
NEEDHAM INVESTMENT MANAGEMENT LLC | 150,000 6.900% |
13,600 (+9.97%) |
Filing |
| 2022-02-14 10:08 am Purchase |
2021-12-31 | 13G | GSE Systems, Inc. GVP |
NEEDHAM INVESTMENT MANAGEMENT LLC | 136,400 6.500% |
28,235 (+26.10%) |
Filing |
| 2021-02-12 7:34 pm Sale |
2020-12-31 | 13G | GSE Systems, Inc. GVP |
NEEDHAM INVESTMENT MANAGEMENT LLC | 108,165 5.200% |
-1,903 (-1.73%) |
Filing |