| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 23 May 2025 | 22 May 2025 | 001-03034 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2025 | 09 May 2025 | 001-33841 |
| 4 | Open Document | Open Filing | 23 Apr 2025 | 21 Apr 2025 | 001-34034 | |
| 4 | Open Document | Open Filing | 23 May 2024 | 22 May 2024 | 001-03034 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2024 | 10 May 2024 | 001-33841 |
| 4 | Open Document | Open Filing | 24 Apr 2024 | 22 Apr 2024 | 001-34034 | |
| 4 | Open Document | Open Filing | 25 May 2023 | 24 May 2023 | 001-03034 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | 001-33841 |
| 4 | Open Document | Open Filing | 25 Apr 2023 | 24 Apr 2023 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2022 | 19 May 2022 | 001-03034 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2022 | 13 May 2022 | 001-33841 |
| 4 | Open Document | Open Filing | 27 Apr 2022 | 25 Apr 2022 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2021 | 20 May 2021 | 001-03034 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 14 May 2021 | 001-33841 |
| 4 | Open Document | Open Filing | 27 Apr 2021 | 26 Apr 2021 | 001-34034 | |
| 5 | Open Document | Open Filing | 12 Feb 2021 | 31 Dec 2020 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2020 | 22 May 2020 | 001-03034 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2020 | 08 May 2020 | 001-33841 |
| 4 | Open Document | Open Filing | 28 Apr 2020 | 27 Apr 2020 | 001-34034 | |
| 5 | Open Document | Open Filing | 14 Feb 2020 | 31 Dec 2019 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 15 May 2019 | 001-03034 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2019 | 10 May 2019 | 001-33841 |
| 4 | Open Document | Open Filing | 01 May 2019 | 29 Apr 2019 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 17 May 2018 | 001-03034 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2018 | 11 May 2018 | 001-33841 |
| 4 | Open Document | Open Filing | 01 May 2018 | 30 Apr 2018 | 001-34034 | |
| 4 | Open Document | Open Filing | 19 Jun 2017 | 15 Jun 2017 | 001-33841 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 18 May 2017 | 001-03034 |
| 4 | Open Document | Open Filing | 26 Apr 2017 | 25 Apr 2017 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2017 | 07 Feb 2017 | 001-03034 |
| 4 | Open Document | Open Filing | 10 Nov 2016 | 08 Nov 2016 | 001-34034 | |
| 3 | Open Document | Open Filing | 10 Nov 2016 | 07 Nov 2016 | 001-34034 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2016 | 19 May 2016 | 001-03034 |
| 4 | Open Document | Open Filing | 16 May 2016 | 16 May 2016 | 001-33841 | |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2015 | 28 Dec 2015 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2015 | 28 Sep 2015 | 001-03034 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2015 | 19 Aug 2015 | 001-03034 |
| 3 | Open Document | Open Filing | FORM 3 | 18 Aug 2015 | 18 Aug 2015 | 001-03034 |
| 4/A | Open Document | Open Filing | FORM 4/A | 23 Jul 2015 | 05 Mar 2015 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2015 | 05 Mar 2015 | 001-32327 |
| 4 | Open Document | Open Filing | 11 May 2015 | 07 May 2015 | 001-33841 | |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2015 | 05 Mar 2015 | 001-32327 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2014 | 03 Dec 2014 | 001-32327 |
| 4 | Open Document | Open Filing | PROKOPANKO 10B5-1 OPTION EXERCISE AND SALE (11-3-2014) - FORM 4 | 04 Nov 2014 | 03 Nov 2014 | 001-32327 |
| 4 | Open Document | Open Filing | PROKOPANKO 10B5-1 OPTION EXERCISE AND SALE (10-3-2014) - FORM 4 | 07 Oct 2014 | 03 Oct 2014 | 001-32327 |
| 4 | Open Document | Open Filing | PROKOPANKO 2011 GRANT RELEASES (7-21-2014) - FORM 4 | 23 Jul 2014 | 10 Apr 2014 | 001-32327 |
| 4 | Open Document | Open Filing | 12 May 2014 | 08 May 2014 | 001-33841 | |
| 4 | Open Document | Open Filing | PROKOPANKO 2014 LTI AWARD (3-7-2014) - FORM 4 | 11 Mar 2014 | 06 Mar 2014 | 001-32327 |