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ONEOK Inc. SEC filings

In the twelve months since 23 September 2025 ONEOK Inc. filed 21 documents with the SEC of the kinds listed here: 9 current reports (8-K), about 6 regulation fd disclosure; 3 results of operations; 2 material agreement; 2 officer or director change; 1 unregistered sale of equity; 3 quarterly reports (10-Q), 2 shelf registrations (S-3ASR), 1 delisting notice by the exchange (25-NSE), 1 employee plan annual report (11-K), 1 additional proxy material (DEFA14A), 1 annual report to shareholders (ARS). The latest, filed 18 September 2026: 25-NSE, delisting notice by the exchange.

FiledFormWhat it was aboutPeriod or event dateFiling
18 September 202625-NSEdelisting notice by the exchangeEDGAR
15 September 20268-KMaterial agreement, Regulation FD disclosure15 September 2026EDGAR
31 August 20268-KMaterial agreement, Unregistered sale of equity, Regulation FD disclosure, Other events28 August 2026EDGAR
4 August 202610-Qquarterly report30 June 2026EDGAR
3 August 20268-KAcquisition or disposition completed, Regulation FD disclosure3 August 2026EDGAR
24 June 202611-Kemployee plan annual report31 December 2025EDGAR
18 June 2026S-3ASRshelf registrationEDGAR
18 June 2026S-3ASRshelf registrationEDGAR
21 May 20268-KShareholder vote20 May 2026EDGAR
6 May 2026DEFA14Aadditional proxy materialEDGAR
29 April 202610-Qquarterly report31 March 2026EDGAR
28 April 20268-KResults of operations, Regulation FD disclosure28 April 2026EDGAR
1 April 2026ARSannual report to shareholders31 December 2025EDGAR
1 April 2026DEF 14Aproxy statement20 May 2026EDGAR
25 March 20268-KOfficer or director change20 March 2026EDGAR
24 February 202610-Kannual report31 December 2025EDGAR
23 February 20268-KResults of operations, Regulation FD disclosure23 February 2026EDGAR
26 January 20268-KOfficer or director change21 January 2026EDGAR
29 October 202510-Qquarterly report30 September 2025EDGAR
28 October 20258-KResults of operations, Regulation FD disclosure28 October 2025EDGAR
24 September 2025SDconflict minerals reportEDGAR

An 8-K is what a company files within four business days of a material event; the SEC numbers the events, and the words here are the SEC's own headings, shortened. Form 4, Form 144, 13F and Schedule 13D and 13G have their own pages. Prospectus supplements and correspondence are not listed.

Source

The company's filing index on EDGAR, read from the SEC's submissions feed.

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