Five9, Inc. (NASDAQ: FIVN) Investor Alert: Schubert Jonckheer Investigating Possible False Claims, Over $8 Million Insider Sales

SAN FRANCISCO, May 19, 2026 /PRNewswire/ -- Schubert Jonckheer & Kolbe LLP advises Five9, Inc. (NASDAQ: FIVN) investors that the firm is investigating potential legal claims arising from alleged false statements about the company's projected revenue growth and macroeconomic conditions affecting sales. Current shareholders are encouraged to contact the firm here: https://www.classactionlawyers.com/five9.