Mccollum Mark A insider trades
Mccollum Mark A has filed 18 Form 4s with the SEC that we hold, for Westlake Corp (WLK) (Director), MRO (Director), SEADRILL Ltd (SDRL) (Director) and Oneok INC /NEW/ (OKE) (Director). None of these filings reports a purchase (code P) or sale (code S) of common stock; they cover grants, option exercises and other codes. The first filing on our record is dated 2021-08-16 and the latest 2026-08-17.
Westlake Corp (WLK)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
MRO
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
SEADRILL Ltd (SDRL)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Oneok INC /NEW/ (OKE)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1215888) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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