| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2023 | 11 May 2023 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2023 | 05 May 2023 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2023 | 16 Mar 2023 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2022 | 10 Nov 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2022 | 12 Aug 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2022 | 11 Aug 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2022 | 16 May 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2022 | 12 May 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2022 | 30 Mar 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2022 | 10 Mar 2022 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2021 | 15 Nov 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2021 | 11 Nov 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2021 | 16 Aug 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2021 | 12 Aug 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 17 May 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 13 May 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2021 | 29 Mar 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2021 | 04 Mar 2021 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 16 Nov 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2020 | 11 Nov 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2020 | 25 Aug 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2020 | 14 Aug 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2020 | 13 Aug 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2020 | 08 Jun 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2020 | 14 May 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2020 | 12 May 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2020 | 02 Apr 2020 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2019 | 14 Nov 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2019 | 12 Nov 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2019 | 14 Aug 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2019 | 08 Aug 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2019 | 14 May 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2019 | 28 Mar 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2019 | 21 Mar 2019 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2019 | 21 Mar 2019 | 001-13463 |
| 4 | Open Document | Open Filing | KNOOK 11-8-18 | 13 Nov 2018 | 08 Nov 2018 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2018 | 14 Aug 2018 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2018 | 09 Aug 2018 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2018 | 10 May 2018 | 001-13463 |
| 4 | Open Document | Open Filing | KNOOK 3-28-18 | 28 Mar 2018 | 23 Mar 2018 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2017 | 09 Aug 2017 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2017 | 11 May 2017 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2017 | 15 Mar 2017 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2016 | 07 Nov 2016 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Sep 2016 | 10 Aug 2016 | 001-13463 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2016 | 11 May 2016 | 001-13463 |
| 3 | Open Document | Open Filing | FORM 3 | 09 May 2016 | 02 May 2016 | 001-13463 |