Last year's first quarter saw a flurry of biotech takeover deals, starting off with Johnson & Johnson (JNJ)/Ambrx, Merck (MRK)/Harpoon, GSK (GSK)/Aiolos and Novartis(NVS)/Calypso in early January.

Colombier Acquisition Corp. II is near a merger deal with online firearms seller GrabAGun, Bloomberg reported Sunday. According to the report, the possible transaction, which could be announced as ...