Walter "Walt" Bettinger, president and CEO of Charles Schwab, speaks during the 2015 Fortune Global Forum in San Francisco, Nov. 3, 2015.Company insiders at United Airlines, NXP Semiconductors and Charles Schwab made some notable stock sales last week.Investors may follow moves by company executives and officers to gauge what may be happening within the businesses. However, the motivations behind executive stock sales can vary.The data comes from VerityData and is confirmed against the original Securities a ...

Group 1 - Major company executives filed notable stock sales with the SEC last week, indicating significant insider trading activity [1] - Investors often track insider sales, believing that executives have better insights on optimal buying or selling times for their company's shares [1] - The data from VerityData is verified against original SEC filings, focusing on discretionary sales rather than those made under preplanned trading plans [2] Group 2 - The report highlights some of the largest stock sales from the previous week, emphasizing the importance of monitoring insider transactions [2]