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COSTCostco

Mary Wilderotter

Director at Costco, as of Oct 24, 2025No sales or purchases in the past 12 months.

Updated Oct 15, 2026 from SEC filings · covers Oct 16, 2025 to Oct 15, 2026
13K
shares held after the latest filing, Costco
Vested shares reported on Forms 3, 4 and 5 only. Not the insider's whole wealth.
7
companies filed for

Last filing: Oct 24, 2025. Most recent purchase on record: Jun 7, 2022.

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Costco (COST)DirectorOct 22, 2015Oct 24, 2025
Okta, Inc. (OKTA)DirectorAug 14, 2025Aug 15, 2025
Fortinet (FTNT)DirectorMay 17, 2024Jun 13, 2025
Hewlett Packard Enterprise (HPE)Former DirectorFeb 19, 2016Apr 7, 2022
Cadence Design Systems (CDNS)Former DirectorJul 3, 2017Feb 19, 2020
Procter & Gamble (PG)Former DirectorAug 20, 2009Oct 15, 2015
American Tower (AMT)Former DirectorNov 10, 2003Mar 8, 2004

Also a director at

Okta, Inc. (OKTA), Fortinet (FTNT), Hewlett Packard Enterprise (HPE) (no filing in the last 18 months), Cadence Design Systems (CDNS) (no filing in the last 18 months), Procter & Gamble (PG) (no filing in the last 18 months), American Tower (AMT) (no filing in the last 18 months)

Recent filings

The last day with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.