| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 COTTRELL 08.13.25 | 14 Aug 2025 | 13 Aug 2025 | 001-38874 |
| 4 | Open Document | Open Filing | COTTRELL 08.14.24 | 15 Aug 2024 | 14 Aug 2024 | 001-38874 |
| 4 | Open Document | Open Filing | COTTRELL SG 08.09.23 | 11 Aug 2023 | 09 Aug 2023 | 001-38874 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2022 | 10 Aug 2022 | 001-38874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2021 | 08 Sep 2021 | 001-38874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2020 | 12 Aug 2020 | 001-38874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2019 | 14 Aug 2019 | 001-38874 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2018 | 08 Aug 2018 | 000-23976 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2017 | 09 Aug 2017 | 000-23976 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2016 | 16 Nov 2016 | 000-23976 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2015 | 18 Nov 2015 | 000-23976 |