FILINGS
| SF 0000720672 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2018-05-14 | 8-K | 8-K | View Document |
| 2018-05-14 | 425 | 8-K | View Document |
| 2018-05-11 | 13F-HR | View Document | |
| 2018-05-11 | 8-K | 8-K | View Document |
| 2018-05-11 | 425 | 8-K | View Document |
| 2018-05-11 | 8-K | 8-K | View Document |
| 2018-05-11 | 425 | 8-K | View Document |
| 2018-05-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-05-07 | 10-Q | SF-Q1-20180331 | View Document |
| 2018-04-30 | 8-K | SF_8K_20180430 | View Document |
| 2018-04-25 | DEFA14A | DEFA14A | View Document |
| 2018-04-25 | DEF 14A | DEF 14A | View Document |
| 2018-04-25 | 8-K/A | 8-K/A | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-19 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-03-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-26 | 10-K | SF-10K-20171231 | View Document |
| 2018-02-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-14 | 13F-HR | View Document | |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-13 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-02-09 | SC 13G/A | View Document | |
| 2018-01-30 | 8-K | SF_8K_20180131 | View Document |
| 2018-01-19 | SC 13G/A | View Document | |
| 2018-01-04 | 8-K | 8-K | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-02 | 8-K | 8-K | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 8-K/A | 8-K/A | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-29 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-26 | S-8 | S-8 | View Document |
| 2017-12-22 | 8-K | 8-K | View Document |
| 2017-12-06 | 8-K | 8-K | View Document |
| 2017-11-28 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-15 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-13 | 13F-HR | View Document | |
| 2017-11-08 | 10-Q | SF-Q3-20170930 | View Document |
| 2017-11-01 | 13F-HR/A | View Document | |
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