As the stock trades of Warren Buffett have become the stuff of legend, the Oracle of Omaha does not shy away from insider trades, buying up massive amounts of stock in companies where he already has a substantial stake, including Occidental Petroleum (NYSE: OXY). Occidental Petroleum Insider Trading Alert — Barchart (@Barchart) June 13, 2024 As a reminder, Buffett's company Berkshire Hathaway (NYSE: BRK.A) previously filed a substantial purchase of 250,583,605 OXY shares valued at $153.3 million, increasing ...