SIC: 4923 - NATURAL GAS TRANSMISSION & DISTRIBUTION
State location: OK | State of Inc.: OK | Fiscal Year End: 1231
formerly: WAI INC (filings through 1997-11-28)
(CF Office: 01 Energy & Transportation)
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| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| ARS | Documents | Annual Report to Security Holders Acc-no: 0001039684-25-000052 (34 Act) Size: 22 MB |
2025-04-14 | 001-13643 25835607 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-25-000050 (34 Act) Size: 451 KB |
2025-04-02 | 001-13643 25805009 |
| DEF 14A | Documents Interactive Data | Other definitive proxy statements Acc-no: 0001039684-25-000048 (34 Act) Size: 63 MB |
2025-04-02 | 001-13643 25802060 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001039684-25-000045 (34 Act) Size: 441 KB |
2025-03-03 | 001-13643 25699544 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-25-000043 (34 Act) Size: 2 MB |
2025-02-25 | 001-13643 25663923 |
| 10-K | Documents Interactive Data | Annual report [Section 13 and 15(d), not S-K Item 405] Acc-no: 0001039684-25-000036 (34 Act) Size: 30 MB |
2025-02-25 | 001-13643 25663584 |
| 8-K | Documents Interactive Data | Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001039684-25-000026 (34 Act) Size: 4 MB |
2025-02-24 | 001-13643 25657930 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 2.03, and 9.01
Acc-no: 0001213900-25-015669 (34 Act) Size: 1 MB |
2025-02-20 | 001-13643 25645293 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-25-000010 (34 Act) Size: 832 KB |
2025-02-06 | 001-13643 25594655 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 5.02, and 9.01
Acc-no: 0001213900-25-010560 (34 Act) Size: 1 MB |
2025-02-05 | 001-13643 25593906 |
| SCHEDULE 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0001213900-25-008890 Size: 10 KB |
2025-01-31 | |
| 8-K | Documents Interactive Data | Current report, items 2.01, 7.01, and 9.01
Acc-no: 0001213900-25-008853 (34 Act) Size: 239 KB |
2025-01-31 | 001-13643 25578630 |
| S-8 | Documents Interactive Data | Securities to be offered to employees in employee benefit plans Acc-no: 0001213900-25-008559 (33 Act) Size: 262 KB |
2025-01-31 | 333-284615 25575943 |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-25-008451 (34 Act) Size: 92 KB |
2025-01-30 | 001-13643 25574910 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001213900-25-008444 (34 Act) Size: 283 KB |
2025-01-30 | 001-13643 25574875 |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-25-005576 Size: 65 KB |
2025-01-22 | |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-25-000008 (34 Act) Size: 458 KB |
2025-01-22 | 001-13643 25546670 |
| 8-K | Documents Interactive Data | Current report, items 5.02, 7.01, and 9.01
Acc-no: 0001213900-25-001635 (34 Act) Size: 232 KB |
2025-01-07 | 001-13643 25514966 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-25-000002 (34 Act) Size: 843 KB |
2025-01-03 | 001-13643 25503520 |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-113678 Size: 4 MB |
2024-12-31 | |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-113677 Size: 29 KB |
2024-12-31 | |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-113666 (34 Act) Size: 120 KB |
2024-12-31 | 001-13643 241591194 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001213900-24-113665 (34 Act) Size: 325 KB |
2024-12-31 | 001-13643 241591192 |
| 424B3 | Documents | Prospectus [Rule 424(b)(3)] Acc-no: 0001213900-24-113608 (33 Act) Size: 4 MB |
2024-12-31 | 333-283681 241591118 |
| EFFECT | Documents | Notice of Effectiveness Acc-no: 9999999995-24-003955 (33 Act) Size: 1 KB |
2024-12-30 | 333-283681 241591025 |
| CORRESP | Documents | [Cover]Correspondence Acc-no: 0001213900-24-113070 Size: 6 KB |
2024-12-27 | |
| S-4/A | Documents | [Amend] Registration of securities, business combinations Acc-no: 0001213900-24-112310 (33 Act) Size: 5 MB |
2024-12-26 | 333-283681 241576179 |
| UPLOAD | Documents | [Cover]SEC-generated letter Acc-no: 0000000000-24-013926 Size: 40 KB |
2024-12-17 | 333-283681 |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-107895 Size: 4 MB |
2024-12-11 | |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-107892 Size: 32 KB |
2024-12-11 | |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-107598 Size: 83 KB |
2024-12-11 | |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-24-000404 (34 Act) Size: 410 KB |
2024-12-11 | 001-13643 241539548 |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-107018 Size: 19 MB |
2024-12-09 | |
| S-4 | Documents Interactive Data | Registration of securities, business combinations Acc-no: 0001213900-24-106665 (33 Act) Size: 4 MB |
2024-12-09 | 333-283681 241533987 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-24-000402 (34 Act) Size: 737 KB |
2024-12-05 | 001-13643 241529846 |
| SC 13D/A | Documents | [Amend] General Statement of Acquisition of Beneficial Ownership Acc-no: 0001213900-24-102867 Size: 45 KB |
2024-11-26 | |
| 425 | Documents | Prospectuses and communications, business combinations Acc-no: 0001213900-24-102227 (34 Act) Size: 701 KB |
2024-11-25 | 001-13643 241496663 |
| 8-K | Documents Interactive Data | Current report, items 1.01, 7.01, and 9.01
Acc-no: 0001213900-24-102220 (34 Act) Size: 1 MB |
2024-11-25 | 001-13643 241496636 |
| 8-K | Documents Interactive Data | Current report, items 8.01 and 9.01
Acc-no: 0001039684-24-000400 (34 Act) Size: 1 MB |
2024-11-22 | 001-13643 241490401 |
| 8-K | Documents Interactive Data | Current report, items 7.01 and 9.01
Acc-no: 0001039684-24-000398 (34 Act) Size: 448 KB |
2024-11-13 | 001-13643 241454589 |