Oneok Inc – (OKE, +1) – Brian Derksen (Director since 2015) purchased $200,000 worth of stock on March 25th at $22.70, twice what he has spent on any of his prior purchases. This is Derksen’s fourth purchase, and his prior three were timely. We ranked this stock +N on March 20th based on a cluster of purchases from five insiders, including the CEO, CB and CFO. We are upgrading the stock further with this additional purchase from Derksen.