Latest filing published 14 May 2026 for Six Flags Entertainment Corporation/NEW, €163k. Read the official filing
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Richard M. Haddrill, listed as chief executive, has filed trades across 3 companies (mainly through SEC (Form 4)), most often in Light & Wonder, Inc., Cornerstone OnDemand Inc and Six Flags Entertainment Corporation/NEW. In total, 37 filings cover trades dated from 17 March 2016 to 12 May 2026.
The open-market side counts 4 purchases for €608k alongside 4 sales for €3.1M. The net balance comes to €2.5M on the selling side. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. The rest of the record consists of 15 share grants and 12 option exercises. So far in 2026, the count stands at 1 purchase and no sales.
The median purchase comes to €167k. Clusters matter here: 1 out of 4 purchases overlapped with buying by a colleague within 30 days. A cluster is several different insiders buying the same stock within a short window, a pattern studied more closely than a single purchase.
On 14 May 2026 came the latest disclosure, an open-market purchase for €163k in Six Flags Entertainment Corporation/NEW. Filings reach the SEC (Form 4) feed a median of 3 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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