| Date Filed | Type | Description |
| 03/24/2023 |
SC 13D/A
| Heartland Advisors reports a 5.5% stake in Perma-Fix Environmental Services, Inc. |
| 02/02/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/02/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/10/2023 |
SC 13D/A
| Heartland Advisors reports a 8.3% stake in Perma-Fix Environmental Services, Inc. |
| 09/09/2022 |
SC 13G/A
| Heartland Advisors reports a 0% stake in ZOVIO, INC. |
| 02/07/2022 |
SC 13G/A
| Heartland Advisors reports a 5.4% stake in ZOVIO, INC. |
| 02/07/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/07/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 11/16/2021 |
SC 13D/A
| Heartland Advisors reports a 8.6% stake in Perma-Fix Environmental Services, Inc. |
| 09/14/2021 |
SC 13D/A
| Heartland Advisors reports a 10.1% stake in Perma-Fix Environmental Services, Inc. |
| 07/08/2021 |
SC 13G/A
| Heartland Advisors reports a 4.6% stake in DALLASNEWS CORPORATION |
| 02/02/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/02/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/02/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/02/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/13/2021 |
SC 13D/A
| Heartland Advisors reports a 11.1% stake in Perma-Fix Environmental Services, Inc. |
| 03/09/2020 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/28/2020 |
SC 13G
| Heartland Advisors reports a 7.5% stake in ZOVIO, INC. |
| 01/28/2020 |
SC 13G/A
| Heartland Advisors reports a 13.2% stake in LINCOLN EDUCATIONAL SERVICES CORPORATION |
| 01/28/2020 |
SC 13G/A
| Heartland Advisors reports a 13.5% stake in HUDSON GLOBAL, INC. |
| 01/28/2020 |
SC 13G/A
| Heartland Advisors reports a 6.1% stake in CUI GLOBAL, INC. |
| 01/28/2020 |
SC 13G
| Heartland Advisors reports a 5.8% stake in A.H. BELO CORPORATION |
| 01/10/2020 |
SC 13D/A
| Heartland Advisors reports a 12% stake in Perma-Fix Environmental Services, Inc. |
| 10/08/2019 |
SC 13G/A
| Heartland Advisors reports a 4.9% stake in ACACIA RESEARCH CORPORATION |
| 06/07/2019 |
SC 13G/A
| Heartland Advisors reports a 5% stake in A.H. BELO CORPORATION |
| 02/06/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2019 |
SC 13G/A
| Heartland Advisors reports a 13.9% stake in LINCOLN EDUCATIONAL SERVICES CORPORATION |
| 02/05/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/05/2019 |
SC 13G/A
| Heartland Advisors reports a 9.6% stake in CUI GLOBAL, INC. |
| 02/05/2019 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/05/2019 |
SC 13G/A
| Heartland Advisors reports a 5.2% stake in ACACIA RESEARCH CORPORATION |
| 09/07/2018 |
SC 13G/A
| Heartland Advisors reports a 4.8% stake in TRANSCAT, INC. |
| 08/08/2018 |
SC 13G/A
| Heartland Advisors reports a 4.5% stake in SUPERCOM LTD. |
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