Richard Zimmerman
President & CEO at Six Flags Entertainment Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 2 years
- Director since
- 2024
2 years of board service in total across 1 board, counting each seat separately. Longest: Six Flags Entertainment Corporation, 2 years.
Chief executive roles
Outstanding · grade A+
Out of 100, from shareholder return, dividends, growth and acquisitions.
Partial: only 20% of the scoring weight is on file.
- Revenue growth 20%
- 100
50.6% a year in revenue
20% of the scoring weight is on file. Figures cover December 2023 – December 2024.
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 |
|---|---|---|---|---|---|
| Dec 5, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −114,531 | $15.32 | $1,754,615 |
| Dec 5, 2025 | Six Flags Entertainment Corporation | Grant or award | +298,190 | — | — |
| Dec 5, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −130,310 | $15.32 | $1,996,349 |
| Jun 4, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −25,071 | $33.11 | $830,101 |
| Mar 31, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −5,269 | $35.42 | $186,628 |
| Feb 24, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −97,310 | $45.09 | $4,387,708 |
| Feb 6, 2025 | Six Flags Entertainment Corporation | Shares withheld for tax | −5,175 | $44.73 | $231,478 |
| Feb 5, 2025 | Six Flags Entertainment Corporation | Grant or award | +57,889 | — | — |
| Dec 4, 2024 | Six Flags Entertainment Corporation | Shares withheld for tax | −20,011 | $47.21 | $944,719 |
Questions about Richard Zimmerman
What boards is Richard Zimmerman on?
Richard Zimmerman sits on the board of Six Flags Entertainment Corporation.
Has Richard Zimmerman been a CEO?
Yes — Richard Zimmerman was CEO of Six Flags Entertainment Corporation (2024 – 2025).
How long has Richard Zimmerman served on boards?
Our records show at least 2 years of board service across 1 board, the earliest from 2024.
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