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OKEOneok

Mark McCollum

Director at Oneok, as of May 22, 2026No sales or purchases in the past 12 months.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
2.6K
shares held after the latest filing, Oneok
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
2
companies filed for

Last filing: May 22, 2026.

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Oneok (OKE)DirectorJan 27, 2026May 22, 2026
Halliburton (HAL)Former EVP - Chief Financial OfficerSep 11, 2003Mar 1, 2017

Recent filings

The last 2 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.