Billionaires Start 2026 With Huge Insider Buys

Group 1 - Prominent insider purchases have been reported from Under Armour Inc. (NYSE: UAA), W.R. Berkley Corp. (NYSE: WRB), and Gabelli Healthcare & WellnessRx Trust (NYSE: GRX) [1][4] - Insider buying is often seen as a positive signal for potential investors, especially during market uncertainty [5] - The fourth-quarter earnings-reporting season is approaching, leading to increased insider activity as fewer insiders are prohibited from trading [6] Group 2 - V. Prem Watsa, known as the Warren Buffett of Canada, has increased his stake in Under Armour, purchasing shares worth over $70 million, bringing his total to more than 41.9 million shares [7] - Under Armour's stock is currently trading over 23% lower than six months ago, with a Wall Street consensus target of $6.07, indicating an anticipated 8.2% upside in the next 12 months [8] - Fairfax Financial, a 10% owner, purchased almost 13.2 million shares at a price range of $4.81 to $5.19, totaling over $67.4 million [9]