| Date Filed | Type | Description |
| 08/11/2023 |
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 |
SC 13G/A
| AVENIR CORP reports a 5.6% stake in CytoSorbents Corporation |
| 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: |
| 08/11/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/11/2022 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 06/27/2022 |
SC 13G/A
| AVENIR CORP reports a 5% stake in CytoSorbents Corporation |
| 05/13/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/16/2022 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 01/07/2022 |
SC 13G/A
| AVENIR CORP reports a 4.8% stake in CytoSorbents Corporation |
| 12/13/2021 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 11/12/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/13/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/14/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/12/2021 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/05/2021 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 11/13/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/14/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/14/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/05/2020 |
SC 13G/A
| AVENIR CORP reports a 4.9% stake in Denny''s Corporation |
| 02/27/2020 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/27/2020 |
SC 13G/A
| AVENIR CORP reports a 5.1% stake in Denny''s Corporation |
| 02/14/2020 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 11/13/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/09/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/14/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/10/2019 |
SC 13G/A
| AVENIR CORP reports a 4.9% stake in Internap Corporation |
| 02/13/2019 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 02/13/2019 |
SC 13G/A
| AVENIR CORP reports a 6.5% stake in Denny''s Corporation |
| 02/13/2019 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 11/14/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 08/14/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
| 05/14/2018 |
13F-HR
| Form 13F-HR - Quarterly report filed by institutional managers, Holdings: |
|