| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 01 Mar 2024 | |||
| 144 | Open Document | Open Filing | 23 Feb 2024 | |||
| 144 | Open Document | Open Filing | 15 Feb 2024 | |||
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 06 Feb 2024 | 05 Feb 2024 | 000-18059 |
| 144 | Open Document | Open Filing | 05 Feb 2024 | |||
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 28 Nov 2023 | 27 Nov 2023 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 17 Nov 2023 | 15 Nov 2023 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 17 Nov 2023 | 15 Nov 2023 | 000-18059 |
| 4/A | Open Document | Open Filing | JEH FORM 4A | 17 Nov 2023 | 08 Dec 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 09 Dec 2022 | 08 Dec 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 17 Nov 2022 | 16 Nov 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 17 Nov 2022 | 15 Nov 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 02 Aug 2022 | 01 Aug 2022 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2022 | 26 May 2022 | 001-34652 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 03 May 2022 | 02 May 2022 | 000-18059 |
| 4/A | Open Document | Open Filing | JHEPPELMAN FORM 4A | 03 May 2022 | 01 Feb 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 02 Feb 2022 | 01 Feb 2022 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 18 Nov 2021 | 16 Nov 2021 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 17 Nov 2021 | 15 Nov 2021 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 04 Aug 2021 | 02 Aug 2021 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2021 | 27 May 2021 | 001-34652 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 04 May 2021 | 03 May 2021 | 000-18059 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Mar 2021 | 09 Mar 2021 | 001-40186 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 02 Feb 2021 | 01 Feb 2021 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 19 Nov 2020 | 17 Nov 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 18 Nov 2020 | 16 Nov 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 17 Nov 2020 | 15 Nov 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 16 Nov 2020 | 12 Nov 2020 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2020 | 05 Nov 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JEH FORM 4 | 28 Sep 2020 | 24 Sep 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 04 Aug 2020 | 03 Aug 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 04 Aug 2020 | 03 Aug 2020 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2020 | 28 May 2020 | 001-34652 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 04 May 2020 | 01 May 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 04 Feb 2020 | 03 Feb 2020 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMAN FORM 4 | 25 Nov 2019 | 21 Nov 2019 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 19 Nov 2019 | 15 Nov 2019 | 000-18059 |
| 4 | Open Document | Open Filing | JHEPPELMANN FORM 4 | 19 Nov 2019 | 18 Nov 2019 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2019 | 28 May 2019 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2019 | 01 May 2019 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2019 | 01 Feb 2019 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2018 | 04 Dec 2018 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 16 Nov 2018 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2018 | 14 Nov 2018 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2018 | 01 Aug 2018 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2018 | 05 Jun 2018 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2018 | 31 May 2018 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2018 | 01 May 2018 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2018 | 01 Feb 2018 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2017 | 15 Nov 2017 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2017 | 01 Aug 2017 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2017 | 18 May 2017 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2017 | 01 May 2017 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 01 Feb 2017 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2016 | 15 Nov 2016 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2016 | 31 Oct 2016 | 000-18059 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2016 | 01 Aug 2016 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2016 | 03 Jun 2016 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2016 | 02 May 2016 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 01 Feb 2016 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2015 | 17 Nov 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2015 | 15 Nov 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2015 | 05 Nov 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2015 | 02 Nov 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2015 | 03 Aug 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2015 | 01 Jun 2015 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2015 | 04 May 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2015 | 02 Feb 2015 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2014 | 15 Nov 2014 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2014 | 10 Nov 2014 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Aug 2014 | 18 Aug 2014 | 001-34652 |
| 3 | Open Document | Open Filing | FORM 3 | 07 Aug 2014 | 01 Aug 2014 | 001-34652 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2014 | 01 Aug 2014 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2014 | 01 May 2014 | 000-18059 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2014 | 03 Feb 2014 | 000-18059 |