ONEOK INC /NEW/ — DEFA14A Filings
24 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by ONEOK INC /NEW/ (OKE), sorted by most recent first. Each row links to the full filing on EdgarLookup. ONEOK INC /NEW/ has filed 24 DEFA14A documents with the SEC since 2018. To view all SEC filings by ONEOK INC /NEW/, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
25
3
3/A
4
4/A
424B2
424B3
424B5
425
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DEFR14A
EFFECT
FWP
NO ACT
POS AM
POS462B
POSASR
PRE 14A
PRES14A
PX14A6G
S-3
S-3/A
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G/A
SD
U-33-S
U-57
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-040951 | May 8, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIAL | 0001213900-24-040627 | May 8, 2024 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-24-030406 | Apr 4, 2024 | — |
| DEFA14A | DEFA14A | 0001193125-23-139990 | May 10, 2023 | — |
| DEFA14A | DEFA14A | 0001193125-22-149060 | May 13, 2022 | — |
| DEFA14A | PROXY STATEMENT CHANGES | 0001039684-22-000039 | May 6, 2022 | — |
| DEFA14A | DEFA14A | 0001193125-21-155524 | May 10, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-21-154903 | May 7, 2021 | — |
| DEFA14A | DEFA14A | 0001193125-20-133730 | May 5, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-20-121069 | Apr 27, 2020 | — |
| DEFA14A | DEFA14A | 0001193125-18-156009 | May 8, 2018 | — |
| DEFA14A | DEFA14A | 0001193125-17-200026 | Jun 9, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-17-200017 | Jun 9, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-17-156220 | May 3, 2017 | — |
| DEFA14A | DEFA14A | 0001193125-16-577554 | May 4, 2016 | — |
| DEFA14A | DEFA14A | 0001193125-15-168850 | May 4, 2015 | — |
| DEFA14A | DEFA14A | 0001193125-14-177296 | May 1, 2014 | — |
| DEFA14A | DEFA14A | 0001193125-13-187446 | Apr 30, 2013 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-12-208318 | May 3, 2012 | — |
| DEFA14A | DEFA14A | 0001193125-11-125984 | May 4, 2011 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-08-093221 | Apr 29, 2008 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-05-087822 | Apr 28, 2005 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001193125-05-082362 | Apr 22, 2005 | — |
| DEFA14A | CHAIRMAN'S LETTER AND SUPPLEMENT TO ANNUAL MEETING | 0000930661-98-002653 | Dec 21, 1998 | — |