| ALTO 0000778164 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2021-08-23 | 4 | View Document | |
| 2021-08-16 | 4 | View Document | |
| 2021-08-10 | 10-Q | QUARTERLY REPORT | View Document |
| 2021-08-03 | 8-K | CURRENT REPORT | View Document |
| 2021-06-21 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-06-21 | 4 | View Document | |
| 2021-06-21 | 4 | View Document | |
| 2021-06-21 | 4 | View Document | |
| 2021-06-21 | 4 | View Document | |
| 2021-06-21 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2021-06-17 | 8-K | CURRENT REPORT | View Document |
| 2021-06-14 | 4 | View Document | |
| 2021-06-03 | 4 | View Document | |
| 2021-05-20 | 4 | View Document | |
| 2021-05-19 | 4 | View Document | |
| 2021-05-17 | 10-Q | QUARTERLY REPORT | View Document |
| 2021-05-12 | 8-K | CURRENT REPORT | View Document |
| 2021-04-29 | 8-K | CURRENT REPORT | View Document |
| 2021-04-27 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2021-04-27 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2021-04-12 | SC 13G/A | View Document | |
| 2021-04-05 | 4 | View Document | |
| 2021-04-05 | 4 | View Document | |
| 2021-04-05 | 4 | View Document | |
| 2021-04-05 | 4 | View Document | |
| 2021-03-26 | 10-K | ANNUAL REPORT | View Document |
| 2021-03-25 | 4 | View Document | |
| 2021-03-25 | 4 | View Document | |
| 2021-03-25 | 4 | View Document | |
| 2021-03-25 | 4 | View Document | |
| 2021-03-18 | 4 | View Document | |
| 2021-03-17 | 4 | View Document | |
| 2021-03-10 | 8-K | CURRENT REPORT | View Document |
| 2021-02-16 | SC 13G/A | SC 13G/A | View Document |
| 2021-02-11 | SC 13G/A | View Document | |
| 2021-02-08 | SC 13G | View Document | |
| 2021-01-29 | 8-K | CURRENT REPORT | View Document |
| 2021-01-13 | 8-K | CURRENT REPORT | View Document |
| 2020-12-23 | 8-K | CURRENT REPORT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-14 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-12-03 | 4 | View Document | |
| 2020-12-01 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-11-30 | 424B3 | FINAL PROSPECTUS | View Document |
| 2020-11-27 | EFFECT | View Document | |
| 2020-11-24 | CORRESP | View Document | |
| 2020-11-24 | UPLOAD | View Document | |
| 2020-11-20 | S-3 | REGISTRATION STATEMENT | View Document |
| 2020-11-18 | S-8 | REGISTRATION STATEMENT | View Document |
| 2020-11-18 | 8-K | CURRENT REPORT | View Document |
| 2020-11-16 | 10-Q | QUARTERLY REPORT | View Document |
| 2020-11-09 | 8-K | CURRENT REPORT | View Document |
| 2020-11-09 | 8-K | CURRENT REPORT | View Document |
| 2020-10-28 | 8-K | CURRENT REPORT | View Document |
| 2020-10-28 | SC 13G | SC 13G | View Document |
| 2020-10-26 | 8-K | CURRENT REPORT | View Document |
| 2020-10-26 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2020-10-23 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2020-10-23 | 8-K | CURRENT REPORT | View Document |
| 2020-10-16 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-10-09 | SC 13G/A | View Document | |
| 2020-10-05 | 8-K | FORM 8-K | View Document |
| 2020-09-25 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2020-09-25 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2020-08-27 | 4 | View Document | |
| 2020-08-27 | 4 | View Document | |
| 2020-08-27 | 4 | View Document | |
| 2020-08-20 | 4 | OWNERSHIPDOCUMENT | View Document |
| 2020-08-20 | 4 | View Document | |
| 2020-08-17 | 4 | View Document | |
| 2020-08-13 | 8-K | CURRENT REPORT | View Document |
| 2020-08-13 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2020-08-13 | 10-Q | QUARTERLY REPORT | View Document |
| 2020-08-11 | 8-K | CURRENT REPORT | View Document |
| 2020-08-10 | 8-K | CURRENT REPORT | View Document |
| 2020-08-07 | 8-K | CURRENT REPORT | View Document |
| 2020-07-28 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-07-28 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-07-28 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-07-28 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-07-28 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2020-07-20 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2020-07-20 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2020-07-09 | 4 | View Document | |
| 2020-07-08 | PRE 14A | PRELIMINARY PROXY STATEMENT | View Document |
| 2020-07-01 | EFFECT | View Document | |
| 2020-07-01 | CORRESP | View Document | |
| 2020-06-25 | CORRESP | View Document | |
| 2020-06-25 | S-3/A | AMENDMENT NO. 1 TO REGISTRATION STATEMENT | View Document |
| 2020-06-16 | 4 | View Document | |
| 2020-06-15 | UPLOAD | View Document | |
| 2020-06-09 | 4 | View Document | |
| 2020-06-04 | S-3 | REGISTRATION STATEMENT | View Document |
| 2020-05-29 | 8-K | CURRENT REPORT | View Document |
| 2020-05-14 | 10-Q | QUARTERLY REPORT | View Document |
| 2020-05-12 | 8-K | CURRENT REPORT | View Document |
