| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2025 | May 6, 2025 | 000-29823 | 
| 144 | Open Document | Open Filing | null | May 6, 2025 | ||
| 4 | Open Document | Open Filing | FORM 4 | Apr 25, 2025 | Apr 24, 2025 | 000-29823 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 22, 2024 | Apr 18, 2024 | 000-29823 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2023 | Apr 21, 2023 | 000-29823 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2023 | Apr 20, 2023 | 000-29823 | 
| 144 | Open Document | Open Filing | Apr 21, 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 25, 2022 | Aug 24, 2022 | 000-29823 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2022 | Apr 21, 2022 | 000-29823 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 29, 2021 | Jul 27, 2021 | 001-36331 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2021 | Jun 3, 2021 | 001-36331 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 23, 2021 | Apr 22, 2021 | 000-29823 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 29, 2020 | Jul 27, 2020 | 001-36331 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 3, 2020 | 001-36331 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2020 | Apr 21, 2020 | 000-29823 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2019 | Jun 3, 2019 | 001-36331 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 22, 2019 | Apr 18, 2019 | 000-29823 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2019 | Jan 24, 2019 | 000-29823 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 9, 2018 | Aug 7, 2018 | 001-36331 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 25, 2018 | Jul 24, 2018 | 001-36331 |