| Date Filed | Type | Description |
| 10/06/2023 |
SC 13G
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.1% stake in Adams Resources & Energy, Inc. |
| 03/03/2023 |
SC 13G
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.1% stake in Educational Development Corp. |
| 01/11/2023 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 10.1% stake in KVH Industries, Inc. |
| 02/14/2022 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 0% stake in Emcore Corporation |
| 02/14/2022 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.6% stake in KVH Industries, Inc. |
| 02/14/2022 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 7% stake in Frequency Electronics Inc. |
| 02/14/2022 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 6.5% stake in GSE Systems, Inc. |
| 02/14/2022 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 8.8% stake in Intevac, Inc. |
| 07/06/2021 |
SC 13G
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 6.6% stake in Frequency Electronics Inc. |
| 02/12/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/12/2021 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 8.7% stake in KVH Industries, Inc. |
| 02/12/2021 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.2% stake in GSE Systems, Inc. |
| 02/14/2020 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 6.2% stake in KVH Industries, Inc. |
| 02/14/2020 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.5% stake in GSE Systems, Inc. |
| 02/13/2019 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.7% stake in KVH Industries, Inc. |
| 02/13/2018 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 5.8% stake in GSE Systems, Inc. |
| 02/13/2018 |
SC 13G/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 6.5% stake in KVH Industries, Inc. |
| 02/13/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/13/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals |
| 10/12/2011 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 03/01/2010 |
SC 13D/A
| NEEDHAM INVESTMENT MANAGEMENT LLC reports a 43.4% stake in Southwall Technologies Inc. |
| 02/12/2010 |
SC 13G/A
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals [amend] |
| 01/20/2009 |
SC 13G/A
| Form SC 13G/A -- Statement of acquisition of beneficial ownership by individuals [amend] |