FILINGS
| ALTG 0001759824 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-12-13 | DEFA14A | FORM DEFA14A | View Document |
| 2019-12-13 | 8-K | CURRENT REPORT | View Document |
| 2019-12-13 | 8-K | CURRENT REPORT | View Document |
| 2019-12-13 | DEFA14A | CURRENT REPORT | View Document |
| 2019-11-12 | 10-Q | QUARTERLY REPORT | View Document |
| 2019-08-23 | 8-K | CURRENT REPORT | View Document |
| 2019-08-16 | 4 | View Document | |
| 2019-08-13 | 10-Q | QUARTERLY REPORT | View Document |
| 2019-05-21 | 10-Q | FORM 10-Q | View Document |
| 2019-04-22 | 8-K | FORM 8-K | View Document |
| 2019-04-18 | SC 13G | B. RILEY PRINCIPAL MERGER CORP. | View Document |
| 2019-04-17 | 8-K | FORM 8-K | View Document |
| 2019-04-16 | SC 13G | AQR CAPITAL MANAGEMENT LLC | View Document |
| 2019-04-15 | SC 13D | SC 13D | View Document |
| 2019-04-12 | 4 | FORM 4 | View Document |
| 2019-04-11 | 4 | FORM 4 | View Document |
| 2019-04-11 | 8-K | FORM 8-K | View Document |
| 2019-04-09 | 424B4 | 424B4 | View Document |
| 2019-04-09 | 3 | FORM 3 | View Document |
| 2019-04-09 | 3 | FORM 3 | View Document |
| 2019-04-09 | 3 | FORM 3 | View Document |
| 2019-04-08 | EFFECT | View Document | |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-08 | 3 | FORM 3 | View Document |
| 2019-04-05 | CERT | NYSE CERTIFICATION | View Document |
| 2019-04-05 | 8-A12B | 8-A12B | View Document |
| 2019-04-04 | CORRESP | View Document | |
| 2019-04-04 | CORRESP | View Document | |
| 2019-04-04 | S-1/A | FORM S1A | View Document |
| 2019-03-26 | S-1/A | S-1/A | View Document |
| 2019-03-14 | S-1 | FORM S1 | View Document |
| 2019-03-14 | CORRESP | View Document | |
| 2019-03-14 | UPLOAD | View Document | |
| 2019-03-08 | DRS/A | View Document | |
| 2019-03-04 | DRS/A | View Document | |
| 2019-02-07 | DRS/A | View Document | |
| 2019-01-30 | UPLOAD | View Document | |
| 2018-12-10 | DRS | View Document | |
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