Wachtell, Lipton, Rosen & Katz had a good weekend. The firm advised both Marathon Petroleum Co. in its sale of convenience chain Speedway to Dallas-headquartered 7-Eleven Inc. for $21 billion and Varian Medical Systems in its $16.4 billion sale to German health care group Siemens Healthineers in the definition of a “productive weekend.”

The sale of Speedway to 7-Eleven was led by Wachtell corporate partners Edward Herlihy, David Shapiro, David Lam, Mark Veblen and Jenna Levine, antitrust partner Nelson Fitts, executive compensation and benefits partner Jeannemarie O’Brien and Erica Bonnett, restructuring partners Eric Rosof and Gregory Pessin and tax partners Jodi Schwartz and Rachel Weisberg.