InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the full record of transactions filed by John Seifrick A. Director active across 1 company, notably Mannatech INC. In total, 4 reports have been recorded. History available since 3 January 2023. The latest transaction was disclosed on 2 January 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
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4 of 4 declarations
John Seifrick A is a declarant linked to Mannatech INC, where he is a Director. The record shows 4 filings in total, and across the sampled recent filings the modal transaction nature is Attribution, with buy and sell amounts stated at 0 euro and dates ranging from 2023-01-05 to 2026-01-06.