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 Vollmer John C.. Director active across 1 company, notably Amentum Holdings, Inc.. Cumulatively, 3 reports have been recorded. Activity tracked since 6 February 2026. The latest transaction was disclosed on 6 February 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
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