| Date Filed | Type | Description |
| 08/10/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/11/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 03/24/2023 |
SC 13D/A
| Heartland Advisors reports a 5.5% stake in Perma-Fix Environmental Services, Inc. |
| 02/08/2023 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 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. |
| 11/10/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 09/09/2022 |
SC 13G/A
| Heartland Advisors reports a 0% stake in ZOVIO, INC. |
| 08/12/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/12/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/09/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 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. |
| 11/09/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 09/21/2021 |
4
| NASGOVITZ WILLIAM J (No Longer Subject to Sec. 16) has filed a Form 4 on PERMA FIX ENVIRONMENTAL SERVICES INC |
| 09/14/2021 |
SC 13D/A
| Heartland Advisors reports a 10.1% stake in Perma-Fix Environmental Services, Inc. |
| 08/11/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 07/08/2021 |
SC 13G/A
| Heartland Advisors reports a 4.6% stake in DALLASNEWS CORPORATION |
| 05/12/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/11/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 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. |
| 11/12/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/12/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/13/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 03/09/2020 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/11/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 01/28/2020 |
SC 13G
| Heartland Advisors reports a 7.5% stake in ZOVIO, INC. |
|