| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 07 Sep 2023 | 05 Sep 2023 | 001-36331 | |
| 4 | Open Document | Open Filing | 07 Aug 2023 | 03 Aug 2023 | 001-36331 | |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2022 | 29 Jun 2022 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2021 | 22 Nov 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2021 | 03 Jun 2021 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2020 | 03 Jun 2020 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2019 | 03 Jun 2019 | 001-36331 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2018 | 07 Dec 2018 | 001-36331 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Nov 2018 | 19 Nov 2018 | 001-36331 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 31 Jul 2014 | 29 Jul 2014 | 001-16811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jul 2014 | 15 Jul 2014 | 001-04471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2014 | 17 Feb 2014 | 001-16811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2014 | 15 Jan 2014 | 001-04471 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2014 | 03 Jan 2014 | 001-16811 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 02 Jan 2014 | 01 Jan 2014 | 001-16811 |