| Type | Description | Date | |
| SC 13D/A | SC 13D/A [Amend] - General statement of acquisition of beneficial ownership | September 21, 2021 | |
| 8-K | 8-K - Current report | September 14, 2021 | |
| 424B5 | 424B5 - Prospectus [Rule 424(b)(5)] | September 14, 2021 | |
| 424B5 | 424B5 - Prospectus [Rule 424(b)(5)] | September 14, 2021 | |
| 4 | 4 - Statement of changes in beneficial ownership of securities | September 14, 2021 | |
| 4 | 4 - Statement of changes in beneficial ownership of securities | September 14, 2021 | |
| 4 | 4 - Statement of changes in beneficial ownership of securities | September 14, 2021 | |
| S-3MEF | S-3MEF - Registration adding securities to prior Form S-3 registration [Rule 462(b)] | September 14, 2021 | |
| CERT | CERT - Certification by an exchange approving securities for listing | September 13, 2021 | |
| 8-K | 8-K - Current report | September 13, 2021 | |
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