| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 27 Jun 2025 | 25 Jun 2025 | 001-35670 |
| 4 | Open Document | Open Filing | 4 | 04 Jun 2025 | 03 Jun 2025 | 001-35670 |
| 4 | Open Document | Open Filing | 4 | 31 Jan 2025 | 30 Jan 2025 | 001-35670 |
| 4 | Open Document | Open Filing | 4 | 15 Jan 2025 | 13 Jan 2025 | 001-35670 |
| 4 | Open Document | Open Filing | 4 | 10 Jan 2025 | 09 Jan 2025 | 001-35670 |
| 4 | Open Document | Open Filing | 4 | 21 May 2024 | 20 May 2024 | 001-35670 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2024 | 12 Jan 2024 | 001-35670 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2023 | 10 Aug 2023 | 001-35670 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jun 2023 | 12 Jun 2023 | 001-35670 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Jun 2023 | 12 Jun 2023 | 001-35670 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Mar 2023 | 23 Mar 2023 | 001-39512 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Mar 2023 | 20 Mar 2023 | 001-40598 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jan 2023 | 26 Jan 2023 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Apr 2022 | 19 Apr 2022 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Apr 2022 | 14 Apr 2022 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2022 | 27 Feb 2022 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2021 | 20 May 2021 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2021 | 10 Feb 2021 | 001-39512 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Sep 2020 | 15 Sep 2020 | 001-39512 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2020 | 01 Mar 2020 | 000-31161 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Oct 2019 | 14 Oct 2019 | 000-31161 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2019 | 27 Jun 2019 | 001-36003 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2019 | 04 Jan 2019 | 000-31161 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2018 | 21 Jun 2018 | 001-36003 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Jan 2018 | 19 Jan 2018 | 000-31161 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2017 | 22 Jun 2017 | 001-36003 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2017 | 20 Mar 2017 | 000-31161 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 20 Mar 2017 | 20 Mar 2017 | 000-31161 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jun 2016 | 23 Jun 2016 | 001-36003 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2016 | 02 Feb 2016 | 001-33415 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2015 | 11 Jun 2015 | 001-36003 |
| 4 | Open Document | Open Filing | KLASSEN 2015 ANNUAL GRANT | 05 Feb 2015 | 03 Feb 2015 | 001-33415 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Feb 2014 | 07 Feb 2014 | 001-36003 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Feb 2014 | 07 Feb 2014 | 001-36003 |
| 4 | Open Document | Open Filing | 11 Feb 2014 | 07 Feb 2014 | 001-33415 |