Richard M. Haddrill
Executive Chair, Director · Six Flags Entertainment Corporation/NEW
- 2026
- May 14, 2026
- 2
Summary
Latest filing:
Richard M. Haddrill is Executive Chair, Director of Six Flags Entertainment Corporation/NEW (FUN). 2 SEC Form 4 filings on record, most recently on 14 May 2026. Most recent open-market trade: bought $191K of FUN on 14 May 2026. Lifetime open-market purchases: $191K.
Recent transactions
2The latest 2 SEC Form 4 transactions reported by Richard M. Haddrill.
Trading pattern
InsiderAlpha's records for Richard M. Haddrill go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $191K (1 buy totaling $191K). The largest single buy on record is $191K of FUN in 2026. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Richard M. Haddrill files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Rehan Jaffer - $5.89M in FUN purchases and sales in the last 12 months
- John T. Reilly - $248K in FUN purchases and sales in the last 12 months
- Marilyn G. Spiegel - $96K in FUN purchases and sales in the last 12 months
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Frequently asked questions
Who is Richard M. Haddrill?
Richard M. Haddrill is a corporate insider, tracked as Executive Chair, Director of Six Flags Entertainment Corporation/NEW (FUN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Richard M. Haddrill last file a Form 4?
The most recent primary Form 4 on record is dated 14 May 2026, one of 2 filings going back to 2026.
Has Richard M. Haddrill been buying or selling stock?
Recorded transactions: 1 open-market purchase ($191K) and 0 open-market sales across all tracked filings.