| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 May 2025 | 06 May 2025 | 000-19969 | |
| 4 | Open Document | Open Filing | 09 May 2024 | 07 May 2024 | 000-19969 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Nov 2023 | 15 Nov 2023 | 000-19969 |
| 144 | Open Document | Open Filing | 15 Nov 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2023 | 05 May 2023 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Aug 2022 | 11 Aug 2022 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2022 | 06 May 2022 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2021 | 11 May 2021 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2021 | 09 Mar 2021 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2020 | 12 Jun 2020 | 001-34365 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2020 | 12 May 2020 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 16 May 2019 | 001-34365 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2019 | 09 May 2019 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2019 | 14 Mar 2019 | 000-23486 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Mar 2019 | 25 Feb 2019 | 000-23486 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2019 | 28 Feb 2019 | 001-34365 |
| 3 | Open Document | Open Filing | FORM 3 | 04 Mar 2019 | 28 Feb 2019 | 001-34365 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 06 Feb 2019 | 01 Aug 2018 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2018 | 01 Aug 2018 | 000-19969 |
| 4 | Open Document | Open Filing | 07 May 2018 | 04 May 2018 | 001-04347 | |
| 4 | Open Document | Open Filing | 02 May 2018 | 30 Apr 2018 | 001-04347 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Apr 2018 | 12 Apr 2018 | 001-35930 |
| 4/A | Open Document | Open Filing | 28 Mar 2018 | 09 Mar 2018 | 001-04347 | |
| 4 | Open Document | Open Filing | 13 Mar 2018 | 09 Mar 2018 | 001-04347 | |
| 4 | Open Document | Open Filing | 12 Feb 2018 | 08 Feb 2018 | 001-04347 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Dec 2017 | 15 Dec 2017 | 001-35930 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2017 | 08 Dec 2017 | 000-19969 |
| 4 | Open Document | Open Filing | 13 Nov 2017 | 09 Nov 2017 | 001-04347 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2017 | 12 May 2017 | 000-19969 |
| 4 | Open Document | Open Filing | 14 Feb 2017 | 11 Feb 2017 | 001-04347 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 08 Feb 2017 | 001-04347 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2017 | 11 Jan 2017 | 001-04347 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2016 | 05 Dec 2016 | 001-35930 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2016 | 09 Nov 2016 | 001-04347 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jul 2016 | 11 Jul 2016 | 001-04347 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2016 | 06 May 2016 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2016 | 10 Feb 2016 | 001-04347 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Dec 2015 | 10 Dec 2015 | 001-35930 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2015 | 09 Nov 2015 | 001-04347 |
| 3 | Open Document | Open Filing | FORM 3 | 10 Nov 2015 | 09 Nov 2015 | 001-04347 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Sep 2015 | 21 Sep 2015 | 001-36417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2015 | 11 May 2015 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2015 | 29 Apr 2015 | 001-36417 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2015 | 31 Dec 2014 | 001-36417 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Dec 2014 | 11 Dec 2014 | 001-35930 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2014 | 05 Dec 2014 | 001-36417 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 May 2014 | 14 May 2014 | 001-35930 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 May 2014 | 14 May 2014 | 001-35930 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2014 | 08 May 2014 | 000-19969 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2014 | 28 Feb 2014 | 000-00452 |
| 4 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 03 Jan 2014 | 31 Dec 2013 | 000-00452 |