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People
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John Seifrick
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Person
US
John Seifrick
1
company
·
1
mandates
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1
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Insider
API
Company
Relation
Title
Age
Since
As of
MANNATECH, INCORPORATED
MTEX
Director
●
Director/Board Member
66
2022-04-14
2026-07-09
John Seifrick — Person