LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
Reporting ownerCIK 0001215888

Mark A. McCollum

8 transactions in 3 companies, from January 23, 2026 to August 14, 2026.

Transactions
83 companies
Bought · P
$0open market
Sold · S
$0open market
Net
+$0net buying

By company

Where this insider traded.

CompanyTickerTradesBoughtSold
Seadrill LtdSDRL3——
WESTLAKE CORPWLK3——
ONEOK INC /NEW/OKE2——

All transactions

8 in total, newest filings first.

CompanyTickerInsiderDateCodeSharesPriceValue
WESTLAKE CORPWLKMark A. McCollumDirDERIVAug 14A2,184$0.00—?
WESTLAKE CORPWLKMark A. McCollumDirDERIVAug 8M2,168$0.00—?
WESTLAKE CORPWLKMark A. McCollumDirAug 8M2,168——
SEADRILL LtdSDRLMark A. McCollumDirDERIVJun 3A2,618$0.00—?
ONEOK INC /NEW/OKEMark A. McCollumDirMay 20A1,845$92.15$170K
Seadrill LtdSDRLMark A. McCollumDirDERIVMay 14M4,860$0.00—?
Seadrill LtdSDRLMark A. McCollumDirMay 14M4,860——
ONEOK INC /NEW/OKEMark A. McCollumDirJan 23A727$78.00$57K