FIVN FIVE9 INC Management Changes 8-K Filing 2025 - Board Changes Five9, Inc. announced changes to its board of directors, including the resignation of Mr. Jonathan Mariner from Class III and his reappointment to Class II, effective March 19, 2025, and Mr. Jack Acosta will not be re-elected at the Annual Meeting on May 21, 2025.Get access to all SEC 8-K filings of the FIVE9 INC