OI CORP of COLLEGE STATION, TX filed a DEFA14A with the SEC on 2010-10-12. Industry: Laboratory Analytical Instruments.
| Seq | Type | Description |
|---|---|---|
| 1 | DEFA14A | v198809_8k.htm |
| 2 | EX-2.1 | v198809_ex2-1.htm |
Showing 12 of 27 filings.
| Filed | Form |
|---|---|
| 2010-10-14 | DEFM14A |
| 2010-10-12 | DEFA14A |
| 2010-10-01 | PREM14A |
| 2010-09-14 | DEFA14A |
| 2010-04-12 | DEF 14A |
| 2009-08-17 | DEF 14A |
| 2008-04-23 | DEF 14A |
| 2007-08-17 | SC TO-I/A |
| 2007-08-14 | SC TO-I/A |
| 2007-07-31 | SC TO-I/A |
| 2007-07-23 | SC TO-I/A |
| 2007-06-20 | SC TO-I |