| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Mar 8, 2024 | Mar 6, 2024 | 001-16853 | |
| 4 | Open Document | Open Filing | Mar 6, 2024 | Mar 4, 2024 | 001-16853 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2023 | Dec 13, 2023 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2023 | Mar 4, 2023 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2023 | Feb 25, 2023 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 7, 2023 | Feb 3, 2023 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2022 | Mar 4, 2022 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2022 | Feb 25, 2022 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2021 | Sep 3, 2021 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2021 | Mar 6, 2021 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2021 | Mar 4, 2021 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2021 | Feb 25, 2021 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2020 | May 28, 2020 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 4, 2020 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 27, 2020 | Feb 25, 2020 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 20, 2019 | Aug 16, 2019 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2019 | Jul 31, 2019 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2019 | Mar 13, 2019 | 001-16853 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Mar 14, 2019 | Dec 31, 2018 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2019 | Mar 4, 2019 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2018 | Dec 13, 2018 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2018 | Mar 4, 2018 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2017 | Aug 25, 2017 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2017 | Mar 4, 2017 | 001-16853 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2016 | Mar 4, 2016 | 000-30110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2015 | Dec 2, 2015 | 000-30110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2015 | Aug 17, 2015 | 000-30110 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 19, 2015 | Apr 28, 2015 | 000-30110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 30, 2015 | Apr 28, 2015 | 000-30110 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2015 | Mar 4, 2015 | 000-30110 |
| 4 | Open Document | Open Filing | FORM 4 - OPTION AND RESTRICTED STOCK UNIT GRANT | Mar 6, 2014 | Mar 4, 2014 | 000-30110 |