The Motley Fool·2026-02-01 00:30Core Insights - Insider buying activity has been observed in Salesforce and SentinelOne, indicating potential confidence from executives in these companies as they head into the new year [1][3]. Salesforce - Salesforce Director David Blair Kirk purchased over 1,900 shares for more than $500,000 in mid-December, while activist firm ValueAct acquired an additional $25 million worth of Salesforce stock [2]. - The stock is currently trading at a forward price-to-sales (P/S) ratio of 4.7 times and a forward price-to-earnings (P/E) ratio of approximately 17.5 times based on 2026 analyst estimates, making it appear attractively priced [4]. - Salesforce has positioned itself as a leader in AI by acquiring Informatica and launching Data 360, which could drive significant growth as the company pivots towards becoming an AI agent company [6]. SentinelOne - Director Mark Peek bought nearly $600,000 worth of shares in mid-December, reflecting confidence in the company's future [3]. - SentinelOne has reported a revenue growth of 23% last quarter, yet it trades at a forward P/S ratio below 4.5 times 2026 analyst estimates, indicating it is undervalued compared to larger competitors [7]. - The company is expected to benefit from its partnership with Lenovo and its Singularity Data Lake product, which offers secure data queries at a lower cost and faster speed than competitors like Splunk [9].