Five9 director Jack Acosta will not stand for re-election at May 21, 2025 annual meeting
Five9 said audit committee chair Jack Acosta, a Class II director, will not be nominated for re-election at the May 21, 2025 annual meeting. Board changes also include Jonathan Mariner's reappointment as a Class II director and Maria Walker taking over as Audit Committee chair after the meeting, with the Board shrinking to nine directors.
Key points
- Jack Acosta will not stand for re-election as a Class II director at the May 21, 2025 annual meeting; the filing thanks him for his service as Audit Committee chair.
- Jonathan Mariner resigned as a Class III director on March 19, 2025 and was immediately reappointed as a Class II director, with his term ending at the annual meeting.
- Maria Walker will become Audit Committee chair at the conclusion of the annual meeting.
- The Board will be reduced to nine directors, with Class II reduced to three after the annual meeting, and Mr. Mariner will not receive a new director RSU grant.
The filing
Written by AI on Nov 8, 2026, 6:56 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on March 24, 2025.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.