| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 05 Sep 2023 | 05 Sep 2023 | 001-37474 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2023 | 25 Apr 2023 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2022 | 24 May 2022 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2022 | 07 May 2022 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2022 | 03 Jan 2022 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2021 | 02 Nov 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2021 | 09 Aug 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2021 | 04 Jun 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 14 May 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2021 | 07 May 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2020 | 02 Dec 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2020 | 02 Nov 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2020 | 10 Aug 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 02 Jul 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2020 | 14 May 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2020 | 07 May 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 03 Jan 2020 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2019 | 02 Dec 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2019 | 02 Nov 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2019 | 08 Aug 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2019 | 02 Jul 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 16 May 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2019 | 07 May 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2019 | 02 Jan 2019 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2018 | 04 Dec 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2018 | 08 Aug 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 16 May 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2018 | 07 May 2018 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2017 | 18 Dec 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2017 | 05 Dec 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2017 | 08 Aug 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2017 | 15 May 2017 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jan 2017 | 02 Dec 2016 | 001-37474 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Nov 2016 | 14 Nov 2016 | 001-37474 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Oct 2016 | 07 Oct 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Apr 2016 | 07 Apr 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2016 | 23 Mar 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2016 | 14 Mar 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2016 | 23 Feb 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Oct 2015 | 07 Oct 2015 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Apr 2015 | 07 Apr 2015 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2015 | 23 Mar 2015 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Oct 2014 | 07 Oct 2014 | 000-26224 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Apr 2014 | 07 Apr 2014 | 000-26224 |