SEC EDGAR filings, ownership reports, and insider transactions for Michael L. Hammer.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2023 | 16 Jun 2023 | 001-37981 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2022 | 23 Feb 2022 | 001-37981 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2021 | 11 May 2021 | 001-37981 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2021 | 23 Feb 2021 | 001-37981 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Nov 2020 | 17 Nov 2020 | 001-37981 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 28 Aug 2020 | 19 Aug 2020 | 001-37981 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2018 | 24 Jan 2018 | 000-51832 |
| 3 | Open Document | Open Filing | FORM 3 | 26 Jan 2018 | 24 Jan 2018 | 000-51832 |