The Vickers Top Buyers & Sellers is a daily report that identifies the five companies the largest insider purchase transactions based on the dollar value of the transactions as well as the five companies the largest insider sales transactions based on the dollar value of the transactions.

ConocoPhillips is a U.S.-based independent exploration and production firm. In 2021, it produced 1.0 million barrels per day of oil and natural gas liquids and 3.2 billion cubic feet per day of natural gas, primarily from Alaska and the Lower 48 in the United States and Norway in Europe and several countries in Asia-Pacific and the Middle East. Proven reserves at year-end 2021 were 6.1 billion barrels of oil equivalent.

ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil around the world. In 2021, it produced 2.3 million barrels of liquids and 8.5 billion cubic feet of natural gas per day. At the end of 2021, reserves were 18.5 billion barrels of oil equivalent, 66% of which were liquids. The company is the world's largest refiner with a total global refining capacity of 4.6 million barrels of oil per day and one of the world's largest manufacturers of commodity and specialty chemicals.

Chevron is an integrated energy company with exploration, production, and refining operations worldwide. It is the second-largest oil company in the United States with production of 3.1 million of barrels of oil equivalent a day, including 7.7 million cubic feet a day of natural gas and 1.8 million of barrels of liquids a day. Production activities take place in North America, South America, Europe, Africa, Asia, and Australia. Its refineries are in the U.S. and Asia for total refining capacity of 1.8 million barrels of oil a day. Proven reserves at year-end 2021 stood at 11.3 billion barrels of oil equivalent, including 6.1 billion barrels of liquids and 30.9 trillion cubic feet of natural gas.