| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 03/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/20/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 03/01/19 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 157 | |
| 03/01/19 | S-8 | Form S-8: Initial registration statement for securities to be offered to employees pursuant to employee benefit plans | 11 | |
| 02/27/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/26/19 | 8-K | Form 8-K: Current report filing | 13 | |
| 02/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/14/19 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 6 |