Haddrill Richard M
Reporting Owner SEC Filing List

CIK: 0001201647
FormFilerSubject CompanyFiling AgentDateActions
3Initial statement of beneficial ownershi...Six Flags Entertainment Corporation/new04/06/2026
3Initial statement of beneficial ownershi...Haddrill Richard M04/06/2026
4Statement of changes in beneficial owner...Haddrill Richard MDonnelley Financial Solutions File16 /fa10/18/2021
4Statement of changes in beneficial owner...Cornerstone Ondemand IncDonnelley Financial Solutions File16 /fa10/18/2021
4Statement of changes in beneficial owner...Haddrill Richard MDonnelley Financial Solutions File16 /fa06/10/2021
4Statement of changes in beneficial owner...Cornerstone Ondemand IncDonnelley Financial Solutions File16 /fa06/10/2021
4/AAmendment to Statement of changes in ben...Haddrill Richard MDonnelley Financial Solutions File16 /fa08/28/2020
4/AAmendment to Statement of changes in ben...Cornerstone Ondemand IncDonnelley Financial Solutions File16 /fa08/28/2020
4Statement of changes in beneficial owner...Haddrill Richard MDonnelley Financial Solutions File16 /fa08/27/2020
4Statement of changes in beneficial owner...Cornerstone Ondemand IncDonnelley Financial Solutions File16 /fa08/27/2020
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Haddrill Richard M 's Ownership Transactions

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