| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2024 | 15 May 2024 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 18 May 2023 | 17 May 2023 | 001-07259 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 20 May 2022 | 18 May 2022 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2021 | 19 May 2021 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2020 | 21 May 2020 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2019 | 15 May 2019 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2018 | 20 Sep 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2018 | 19 Jun 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 16 May 2018 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2018 | 27 Mar 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Dec 2017 | 19 Dec 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 17 Oct 2017 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2017 | 15 Sep 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 17 Aug 2017 | 001-04224 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2017 | 01 Jul 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2017 | 19 Jun 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2017 | 17 May 2017 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2017 | 28 Mar 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 19 Dec 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2016 | 16 Sep 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2016 | 20 Jun 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2016 | 18 May 2016 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Mar 2016 | 14 Mar 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2015 | 14 Dec 2015 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2015 | 18 Sep 2015 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2015 | 15 Jun 2015 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 13 May 2015 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2015 | 16 Mar 2015 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 15 Dec 2014 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2014 | 19 Sep 2014 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2014 | 16 Jun 2014 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2014 | 14 May 2014 | 001-07259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 17 Mar 2014 | 001-04224 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 02 Jan 2014 | 001-04224 |