SEC EDGAR filings, ownership reports, and insider transactions for David Robertson.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2022 | 11 Feb 2022 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 18 May 2021 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2021 | 17 Feb 2021 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2020 | 12 Feb 2020 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Feb 2019 | 13 Feb 2019 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2018 | 08 Aug 2018 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2018 | 14 Feb 2018 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2017 | 15 Feb 2017 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2016 | 17 Feb 2016 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2015 | 02 Sep 2015 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2015 | 18 Feb 2015 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2014 | 18 Feb 2014 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2013 | 13 Mar 2013 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2013 | 19 Feb 2013 | 001-05532-99 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2012 | 21 Feb 2012 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2012 | 21 Feb 2012 | 001-05532-99 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2010 | 04 Mar 2010 | 001-05532-99 |