Nuveen Build America Bond Opportunity Fund of CHICAGO, IL filed a DEF 14A with the SEC on 2012-07-02.
| Seq | Type | Description |
|---|---|---|
| 1 | DEF 14A | DEF 14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| Filed | Form |
|---|---|
| 2017-06-23 | DEF 14A |
| 2016-06-24 | DEF 14A |
| 2015-07-01 | DEF 14A |
| 2013-06-27 | DEF 14A |
| 2012-07-02 | DEF 14A |
| 2012-03-09 | DEFA14A |
| 2012-03-09 | DEF 14A |
| 2012-03-09 | PRE 14A |
| 2011-07-29 | DEFA14A |
| 2011-06-22 | DEF 14A |
| 2011-06-03 | PRE 14A |