| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | FORM 3 | 20 Feb 2024 | 12 Feb 2024 | 001-41959 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2017 | 28 Apr 2017 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Mar 2017 | 18 Mar 2017 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Apr 2016 | 18 Mar 2016 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 18 Feb 2016 | 000-11634 |
| 4 | Open Document | Open Filing | S BROWN ANNUAL GRANT 2015 | 10 Apr 2015 | 07 Apr 2015 | 000-11634 |
| 4 | Open Document | Open Filing | S BROWN ANNUAL GRANT | 11 Mar 2014 | 07 Mar 2014 | 000-11634 |
| 3 | Open Document | Open Filing | S BROWN INITIAL REPORT | 11 Sep 2013 | 09 Sep 2013 | 000-11634 |