| Date Filed | Type | Description |
| 04/05/2010 |
ARS
| Form ARS - Annual Report to Security Holders |
| 06/03/2002 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 06/03/2002 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 05/23/2002 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 05/23/2002 |
SC 13D/A
| ONEOK INC reports a 7.4% stake in ONEOK, INC. |
| 04/26/2002 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 04/26/2002 |
SC 13D/A
| ONEOK INC reports a 7.4% stake in ONEOK, INC. |
| 04/08/2002 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 04/08/2002 |
SC 13D/A
| ONEOK INC reports a 7.4% stake in ONEOK, INC. |
| 12/12/1997 |
8-K
| Quarterly results |
| 12/12/1997 |
8-K
| Other events, Financial statements and exhibits SROs NYSE |
| 12/05/1997 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership |
| 11/28/1997 |
10-K
| Annual Report for the period ended August 31, 1997 |
| 11/26/1997 |
8-K
| Acquisition or disposition of assets, Financial statements and exhibits SROs NYSE |
| 11/14/1997 |
8-K
| Other events, Financial statements and exhibits SROs NYSE |
| 11/14/1997 |
8-K
| Other events, Financial statements and exhibits SROs NYSE |
| 06/24/1997 |
10-Q
| Quarterly Report for the period ended May 31, 1997 |
| 05/20/1997 |
10-K/A
| Annual Report for the period ended August 31, 1996 [amend] |
| 04/25/1997 |
8-K
| Other events SROs NYSE |
| 03/31/1997 |
10-Q
| Quarterly Report for the period ended February 28, 1997 |
| 12/27/1996 |
10-Q
| Quarterly Report for the period ended November 30, 1996 |
| 12/23/1996 |
8-K
| Other events, Financial statements and exhibits SROs NYSE |
| 11/07/1996 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 11/05/1996 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 10/18/1996 |
10-K
| Annual Report for the period ended August 31, 1996 |
| 07/10/1996 |
10-Q
| Quarterly Report for the period ended May 31, 1996 |
| 04/29/1996 |
8-K
| Other events SROs NYSE |
| 04/03/1996 |
10-Q
| Quarterly Report for the period ended February 29, 1996 |
| 01/09/1996 |
10-Q
| Quarterly Report for the period ended November 30, 1995 |
| 12/13/1995 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements |
| 10/26/1995 |
10-K
| Annual Report for the period ended August 31, 1995 |
| 08/02/1995 |
8-K
| Other events SROs NYSE |
| 07/28/1995 |
8-K
| Other events SROs NYSE |
| 06/29/1995 |
10-Q
| Quarterly Report for the period ended May 31, 1995 |
|