| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | May 24, 2024 | May 23, 2024 | 001-08524 |
| 4/A | Open Document | Open Filing | 4/A | May 13, 2024 | May 9, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | 4 | May 13, 2024 | May 9, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | 4 | Mar 19, 2024 | Mar 16, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | 4 | Mar 12, 2024 | Mar 7, 2024 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2023 | Aug 8, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2023 | Mar 15, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2023 | Mar 14, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2023 | Mar 6, 2023 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2022 | Mar 16, 2022 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2022 | Mar 15, 2022 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2022 | Mar 6, 2022 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 10, 2021 | Nov 9, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2021 | Aug 13, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2021 | Aug 10, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2021 | May 14, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2021 | Mar 16, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2021 | Mar 6, 2021 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2020 | Nov 17, 2020 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 12, 2020 | May 12, 2020 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2020 | Apr 28, 2020 | 001-08524 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 6, 2020 | Apr 6, 2020 | 001-08524 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2019 | Feb 28, 2019 | 001-36050 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 20, 2019 | 001-36050 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2018 | Mar 1, 2018 | 001-36050 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2018 | Feb 20, 2018 | 001-36050 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2017 | Feb 20, 2017 | 001-36050 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 22, 2017 | Feb 20, 2017 | 001-36050 |