InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (11 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
11
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Zamiska Gene M., Directeur Comptable Principal. Director active across 1 company, notably Western Digital CORP. Cumulatively, 52 reports have been recorded. Breakdown: 0 buy · 11 sells. Total volume traded: €1.3m. Activity tracked since 14 June 2021. The latest transaction was filed on 27 August 2025 (Levée d'options). Regulator: SEC (Form 4). The full history is free.
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Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations52 total
1 shares0Common StockSEC:0001266824-25-000180:0
2 shares0Common StockSEC:0001266824-25-000166:0
6 shares0Common StockSEC:0001266824-25-000156:0
9 shares0Common StockSEC:0001266824-25-000146:0
240 shares@ US$55.700.6% of flowCommon StockSEC:0001266824-25-000091:0
1,729 shares@ US$54.884.3% of flowCommon StockSEC:0001266824-25-000087:0
797 shares@ US$50.181.8% of flowCommon StockSEC:0001266824-25-000085:0
345 shares@ US$51.820.8% of flowCommon StockSEC:0001266824-25-000085:1
360 shares@ US$50.630.8% of flowCommon StockSEC:0001266824-25-000075:0
456 shares@ US$43.370.9% of flowCommon StockSEC:0001266824-25-000042:0
1,116 shares@ US$41.452.1% of flowCommon StockSEC:0001266824-25-000040:0
5,327 shares0Common StockSEC:0001266824-25-000019:0
167 shares@ US$71.500.6% of flowCommon StockSEC:0001266824-24-000137:0
450 shares@ US$69.4251.5% of flowCommon StockSEC:0001266824-24-000131:0
261 shares@ US$63.840.8% of flowCommon StockSEC:0001266824-24-000123:0
1,993 shares@ US$69.946.3% of flowCommon StockSEC:0001266824-24-000096:0
1,145 shares@ US$63.063.2% of flowCommon StockSEC:0001266824-24-000085:0
315 shares@ US$63.320.9% of flowCommon StockSEC:0001266824-24-000069:0
1,532 shares@ US$64.354.3% of flowCommon StockSEC:0001266824-24-000067:0
220 shares@ US$64.420.6% of flowCommon StockSEC:0001266824-24-000059:0
219 shares@ US$78.000.8% of flowCommon StockSEC:0001266824-24-000051:0
115 shares@ US$78.120.4% of flowCommon StockSEC:0001266824-24-000049:0
315 shares@ US$75.391.1% of flowCommon StockSEC:0001266824-24-000039:0
165 shares@ US$74.810.6% of flowCommon StockSEC:0001266824-24-000036:0
221 shares@ US$73.050.7% of flowCommon StockSEC:0001266824-24-000030:0
25 of 52 declarations
About Zamiska Gene M.
Zamiska Gene M. is Directeur Comptable Principal and SVP & Princ. Acctg Officer at Western Digital CORP, listed on XNAS. The declarant has 52 filings in total, and the 52 sampled filings, from 2021-06-16 to 2025-08-28, show 0 in buys and 1315449 in sells, with a dominant transaction nature of Retenue fiscale.
