NICOR INC Form PRE 14A: Preliminary proxy statement
Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.
- 1998-02-11: Form PRE 14A; Period of report 1998-04-16; Description PRELIMINARY PROXY STATEMENT.
- 1994-02-03: Form PRE 14A; Period of report 1994-04-21; Description NICOR, INC PRE 14A.
| Filed | Form | Period of report | Description | Document |
|---|---|---|---|---|
| 1998-02-11 | PRE 14A | 1998-04-16 | PRELIMINARY PROXY STATEMENT | |
| 1994-02-03 | PRE 14A | 1994-04-21 | NICOR, INC PRE 14A |