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Occidental Petroleum Corp. SEC filings

In the twelve months since 23 September 2025 Occidental Petroleum Corp. filed 24 documents with the SEC of the kinds listed here: 15 current reports (8-K), about 8 results of operations; 5 regulation fd disclosure; 2 officer or director change; 2 material agreement; 1 shareholder vote; 3 quarterly reports (10-Q), 1 employee plan annual report (11-K), 1 annual report to shareholders (ARS), 1 additional proxy material (DEFA14A), 1 proxy statement (DEF 14A), 1 annual report (10-K). The latest, filed 5 August 2026: 10-Q, quarterly report.

FiledFormWhat it was aboutPeriod or event dateFiling
5 August 202610-Qquarterly report30 June 2026EDGAR
5 August 20268-KResults of operations5 August 2026EDGAR
10 July 20268-KResults of operations10 July 2026EDGAR
29 June 202611-Kemployee plan annual report31 December 2025EDGAR
5 May 202610-Qquarterly report31 March 2026EDGAR
5 May 20268-KResults of operations5 May 2026EDGAR
4 May 20268-KOfficer or director change, Shareholder vote, Regulation FD disclosure30 April 2026EDGAR
10 April 20268-KResults of operations10 April 2026EDGAR
19 March 2026ARSannual report to shareholders31 December 2025EDGAR
19 March 2026DEFA14Aadditional proxy materialEDGAR
19 March 2026DEF 14Aproxy statement31 December 2025EDGAR
9 March 20268-KMaterial agreement, Change to security holders' rights, Other events5 March 2026EDGAR
19 February 20268-KRegulation FD disclosure19 February 2026EDGAR
18 February 202610-Kannual report31 December 2025EDGAR
18 February 20268-KResults of operations18 February 2026EDGAR
20 January 20268-KResults of operations20 January 2026EDGAR
2 January 20268-KAcquisition or disposition completed, Regulation FD disclosure2 January 2026EDGAR
10 November 202510-Qquarterly report30 September 2025EDGAR
10 November 20258-KResults of operations10 November 2025EDGAR
10 October 20258-KResults of operations10 October 2025EDGAR
3 October 20258-KOfficer or director change, Regulation FD disclosure1 October 2025EDGAR
3 October 20258-KMaterial agreement1 October 2025EDGAR
2 October 20258-KRegulation FD disclosure2 October 2025EDGAR
26 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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