Richard M. Haddrill
Executive Chair 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
- 7 months
- Director since
- 2026
7 months of board service in total across 1 board, counting each seat separately. Longest: Six Flags Entertainment Corporation, 7 months.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Six Flags Entertainment Corporation May 26, 202697.3%
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 |
|---|---|---|---|---|---|
| Nov 6, 2026 | Six Flags Entertainment Corporation | Open-market purchase | +9,000 | $10.08 | $90,720 |
| May 12, 2026 | Six Flags Entertainment Corporation | Open-market purchase | +10,000 | $19.08 | $190,800 |
| Apr 16, 2026 | Six Flags Entertainment Corporation | Grant or award | +217,797 | — | — |
Questions about Richard M. Haddrill
What boards is Richard M. Haddrill on?
Richard M. Haddrill sits on the board of Six Flags Entertainment Corporation.
How long has Richard M. Haddrill served on boards?
Our records show at least 7 months of board service across 1 board, the earliest from 2026.
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