Jack L. Acosta

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
8 years
Director since
2023

8 years of board service in total across 2 boards, counting each seat separately. Longest: Five9 Inc., 3 years.

Five9 Inc. Director
3 years · Since 2023
3 years · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Jun 2, 2026 Rimini Street Inc. (DE) Option exercise +55,727 — —
Jun 3, 2025 Rimini Street Inc. (DE) Option exercise +65,335 — —
Jun 5, 2024 Rimini Street Inc. (DE) Option exercise +40,178 — —
May 14, 2024 Five9 Inc. Grant or award +3,755 — —
Jun 6, 2023 Rimini Street Inc. (DE) Option exercise +45,918 — —
May 16, 2023 Five9 Inc. Grant or award +3,669 — —
Jan 11, 2023 Five9 Inc. Open-market sale −4,375 $70.64 $309,050
Jan 11, 2023 Five9 Inc. Open-market sale −625 $71.14 $44,463

Questions about Jack L. Acosta

What boards is Jack L. Acosta on?

Jack L. Acosta sits on the boards of Five9 Inc. and Rimini Street Inc. (DE).

How long has Jack L. Acosta served on boards?

Our records show at least 8 years of board service across 2 boards, the earliest from 2023.

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