| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/28/19 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 03/27/19 | S-1/A | Form S-1/A: General form for registration of securities under the Securities Act of 1933 | 306 | |
| 03/26/19 | 8-A12B | Form 8-A12B: Registration of securities [Section 12(b)] | 3 | |
| 03/26/19 | CORRESP | Form CORRESP: Correspondence | 2 | |
| 03/26/19 | CORRESP | Form CORRESP: Correspondence | 2 |