FILINGS
| ALTO 0000778164 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-11-08 | S-8 | REGISTRATION STATEMENT | View Document |
| 2019-11-07 | 8-K | CURRENT REPORT | View Document |
| 2019-10-15 | 4 | View Document | |
| 2019-10-09 | SC 13G/A | View Document | |
| 2019-09-19 | 8-K | CURRENT REPORT | View Document |
| 2019-09-19 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2019-09-19 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2019-09-13 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2019-09-13 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2019-08-22 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2019-08-07 | 10-Q | QUARTERLY REPORT | View Document |
| 2019-08-06 | 8-K | CURRENT REPORT | View Document |
| 2019-07-31 | 8-K | CURRENT REPORT | View Document |
| 2019-07-19 | 8-K | FORM 8-K | View Document |
| 2019-07-19 | 8-K | FORM 8-K | View Document |
| 2019-07-18 | SC 13G | View Document | |
| 2019-06-20 | 8-K | 8-K | View Document |
| 2019-06-07 | 4 | View Document | |
| 2019-05-03 | 10-Q | FORM 10-Q | View Document |
| 2019-05-01 | 8-K | FORM 8-K | View Document |
| 2019-04-29 | 10-K/A | FORM 10-K/A | View Document |
| 2019-04-24 | 4 | 4 | View Document |
| 2019-04-24 | 4 | FORM 4 | View Document |
| 2019-04-24 | 4 | FORM 4 | View Document |
| 2019-04-24 | 4 | FORM 4 | View Document |
| 2019-04-24 | 4 | FORM 4 | View Document |
| 2019-04-24 | 4 | FORM 4 | View Document |
| 2019-04-03 | 4 | FORM 4 | View Document |
| 2019-04-03 | 4 | FORM 4 | View Document |
| 2019-04-03 | 4 | FORM 4 | View Document |
| 2019-03-27 | 8-K | 8-K | View Document |
| 2019-03-18 | 10-K | FORM 10-K | View Document |
| 2019-03-12 | 8-K | FORM 8-K | View Document |
| 2019-03-11 | SC 13G | View Document | |
| 2019-02-08 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2019-02-06 | SC 13G/A | View Document | |
| 2019-01-24 | SC 13G/A | SC 13G/A | View Document |
| 2018-11-02 | 10-Q | 10-Q | View Document |
| 2018-10-31 | 8-K | FORM 8-K | View Document |
| 2018-10-05 | SC 13G/A | View Document | |
| 2018-08-09 | 10-Q | FORM 10-Q | View Document |
| 2018-08-08 | 8-K | 8-K | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-18 | 4 | 4 | View Document |
| 2018-06-14 | S-8 | S-8 | View Document |
| 2018-06-14 | 8-K | 8-K | View Document |
| 2018-05-10 | 10-Q | FORM 10Q | View Document |
| 2018-05-08 | 8-K | 8-K | View Document |
| 2018-04-25 | DEFA14A | DEFA14A | View Document |
| 2018-04-25 | DEF 14A | DEF 14A | View Document |
| 2018-04-05 | 8-K | 8-K | View Document |
| 2018-04-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-04-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-04-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-04-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-04-03 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-03-19 | 4 | 4 | View Document |
| 2018-03-15 | 10-K | 10-K | View Document |
| 2018-03-12 | 4 | 4 | View Document |
| 2018-03-09 | 4 | 4 | View Document |
| 2018-03-09 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2018-03-07 | 4 | 4 | View Document |
| 2018-02-28 | 8-K | 8-K | View Document |
| 2018-02-09 | SC 13G | SCHEDULE 13G | View Document |
| 2018-02-08 | SC 13G/A | AMENDMENT NO. 1 TO SCHEDULE 13G | View Document |
| 2018-02-08 | SC 13G | SC 13G | View Document |
| 2018-01-19 | SC 13G/A | View Document | |
| 2017-12-08 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-11-09 | 10-Q | FORM 10-Q | View Document |
| 2017-11-08 | 8-K | FORM 8-K | View Document |
| 2017-09-21 | 8-K | FORM 8-K | View Document |
| 2017-08-11 | 8-K | CURRENT REPORT | View Document |
| 2017-08-10 | SC 13G/A | View Document | |
| 2017-08-09 | 10-Q | FORM 10-Q | View Document |
| 2017-08-08 | 8-K | FORM 8-K | View Document |
| 2017-08-02 | 8-K | FORM 8-K | View Document |
| 2017-07-31 | 8-K/A | FORM 8-K | View Document |
| 2017-07-05 | 8-K | FORM 8-K | View Document |
| 2017-06-27 | 8-K | FORM 8-K | View Document |
| 2017-06-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-06-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-06-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-06-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-06-19 | 4 | OWNERSHIP DOCUMENT | View Document |
| 2017-06-15 | 8-K | FORM 8-K | View Document |
| 2017-06-08 | EFFECT | View Document | |
| 2017-06-05 | CORRESP | View Document | |
| 2017-06-02 | S-3/A | FORM S-3 AMENDMENT | View Document |
| 2017-05-10 | 10-Q | FORM 10-Q | View Document |
| 2017-05-09 | 8-K | CURRENT REPORT ON FORM 8-K | View Document |
| 2017-04-25 | DEFA14A | DEFINITIVE OTHER MATERIALS | View Document |
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