SEC EDGAR filings, ownership reports, and insider transactions for R. Michael Zimmerman.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 01 Nov 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2024 | 12 Feb 2024 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2024 | 09 Feb 2024 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2023 | 14 Feb 2023 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2023 | 10 Feb 2023 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2022 | 15 Feb 2022 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2022 | 11 Feb 2022 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2021 | 12 Feb 2021 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2020 | 09 Nov 2020 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2020 | 20 Aug 2020 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2020 | 14 Feb 2020 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Oct 2019 | 25 Oct 2019 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jul 2019 | 25 Jul 2019 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2019 | 15 Feb 2019 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2018 | 15 Feb 2018 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2017 | 24 Apr 2017 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2017 | 27 Feb 2017 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2017 | 14 Feb 2017 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2017 | 10 Feb 2017 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2016 | 22 Nov 2016 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2016 | 12 Feb 2016 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2015 | 22 May 2015 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2015 | 13 Feb 2015 | 001-04797 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2015 | 10 Feb 2015 | 001-04797 |
| 3 | Open Document | Open Filing | FORM 3 | 15 Jan 2015 | 05 Jan 2015 | 001-04797 |