Key PointsColumbia Banking System is a high-yielding stock whose price fell to a long-term low; insiders are buying. Akoustis Technologies is in a hyper-growth phase, and the insiders are buying. CG Oncology has a major approval on the horizon and could be a takeover target; its insiders are buying. Insider buying is as active as ever, with many of the same stocks bought in 2023 on the radar in 2024. New names such as Columbia Banking System (NASDAQ: COLB), Akoustis Technology(NASDAQ: AKTS), and CG Oncology ...