March 11, 2026
A Texas federal judge certified a class of potentially thousands of Anadarko Petroleum Corp. investors who claim the company misled them for years about the viability of the Shenandoah oil field in the Gulf of Mexico before abandoning the project in 2017 and sending the company's stock falling.
May 12, 2025
Anadarko Petroleum Corp. told a federal judge on Monday that he shouldn't recertify a proposed class of shareholders who claim they lost money on the company's bad oilfield bet, after the Fifth Circuit overruled his earlier certification last year.