SOUTHERN UNION CO of DALLAS, TX filed a 425 with the SEC on 2011-12-01. Industry: Natural Gas Transmission.
| Seq | Type | Description |
|---|---|---|
| 1 | 425 | SU FORM 425, DECEMBER 1, 2011 |
Showing 12 of 46 filings.
| Filed | Form |
|---|---|
| 2012-03-20 | 425 |
| 2012-03-12 | 425 |
| 2012-03-01 | 425 |
| 2012-02-17 | 425 |
| 2011-12-12 | 425 |
| 2011-12-01 | 425 |
| 2011-11-21 | 425 |
| 2011-11-21 | 425 |
| 2011-11-16 | 425 |
| 2011-10-27 | DEFM14A |
| 2011-09-15 | 425 |
| 2011-09-07 | 425 |