JIM WALTON, 10% Owner at Walmart (NYSE:WMT), disclosed an insider sell on September 10, according to a recent SEC filing. What Happened: WALTON’s recent Form 4 filing with the U.S. Securities and Exchange Commission on Tuesday unveiled the sale of 5,746,226 shares of Walmart. The total transaction value is $442,774,830. Walmart shares are trading down 1.36% at $77.74 at the time of this writing on Wednesday morning. Get to Know Walmart BetterWalmart serves as the preeminent retailer in the United States, with its strategy predicated on superior operating efficiency and offering the lowest pric…