| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/08/19 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 6 | |
| 08/08/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 08/06/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 13 | |
| 08/06/19 | 8-K | Form 8-K: Current report | 118 | |
| 08/06/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 11 | |
| 08/05/19 | 424B4 | Form 424B4: Prospectus [Rule 424(b)(4)] | 146 | |
| 08/02/19 | EFFECT | Form EFFECT: Notice of Effectiveness | 1 | |
| 08/01/19 | S-1/A | Form S-1/A: General form for registration of securities under the Securities Act of 1933 | 281 | |
| 08/01/19 | CORRESP | Form CORRESP: Correspondence | 3 |