InsidersTradesSigma
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Browse the complete record of transactions filed by Cynthia Lock Tregillis. Officer active across 1 company, notably Western Digital Corporation. In total, 6 filings have been published. Activity tracked since 5 June 2026. The latest transaction was disclosed on 27 August 2026 (Notice of proposed sale (Form 144)). Regulator: SEC (Form 4). The full history is free.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
6 of 6 declarations
CYNTHIA LOCK TREGILLIS is a declarant linked to Western Digital Corporation, where she is an Officer. She has 5 filings in total, and across the 5 recent filings observed between 2026-06-05 and 2026-08-26, all transactions are sales, with sum_sell_eur at 1118786 and sum_buy_eur at 0. The modal transaction nature is Notice of proposed sale (Form 144).