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Insider Trading

Last Updated: 1 month, 1 week ago

Mark Patterson has an estimated net worth of at least $18.4 million*, as of Oct. 29, 2025. They own 206,270 shares of CSCO stock. They have sold 76,146 shares of CSCO stock since 2021, for an estimated $484,294.

Mark Patterson $CSCO SEC Form 4 Insider Trading

Mark Patterson has filed a total of 3 insider trades in $CSCO since 2021. Their most recent trade was a sale of 48,632 shares, made on Nov 18, 2025. Their largest trade was a sale of 48,632 shares, made on Nov 18, 2025. We estimate that they now own 206,270 shares of $CSCO, worth an estimated $17.9 million.



Insider Trading at $CSCO

There have been a total of 185 insider trades reported at $CSCO since 2021, with 0 shares purchased and 3.2 million shares sold. The most active insider traders in $CSCO stock have been Deborah L Stahlkopf, Charles Robbins, and Maria Victoria Wong. The most recent trade was a sale of 9,701 shares reported by Maria Victoria Wong (SVP & Chief Acctg Officer), made on Nov 24, 2025.



History of Insider Stock Trades by Mark Patterson

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
CSCO logo CSCO Sale 48,632 Nov 18, 2025 Nov. 20, 2025, 6:45 p.m.
CSCO logo CSCO Sale 20,284 Nov 18, 2025 Nov. 20, 2025, 6:45 p.m.
CSCO logo CSCO Sale 7,230 Aug 19, 2025 Aug. 19, 2025, 6:56 p.m.




$CSCO Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.