Mark Patterson Net Worth
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Mark Patterson has an estimated net worth of at least $26.8 million*, as of Sept. 16, 2026. They own 258,595 shares of CSCO stock. They have sold 100,934 shares of CSCO stock since 2021, for an estimated $8.5 million.
Mark Patterson $CSCO SEC Form 4 Insider Trading
Mark Patterson has filed a total of 19 insider trades in $CSCO since 2021. Their most recent trade was a sale of 1,795 shares, made on Sep 11, 2026. Their largest trade was a sale of 48,632 shares, made on Nov 18, 2025. We estimate that they now own 258,595 shares of $CSCO, worth an estimated $18.3 million.
Insider Trading at $CSCO
There have been a total of 257 insider trades reported at $CSCO since 2021, with 0 shares purchased and 3.4 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 312 shares reported by Thimaya K. Subaiya (EVP, Operations), made on Sep 14, 2026.
History of Insider Stock Trades by Mark Patterson
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
CSCO
|
Sale | 1,795 | Sep 11, 2026 | Sept. 15, 2026, 7:50 a.m. |
|
CSCO
|
Sale | 904 | Aug 14, 2026 | Aug. 17, 2026, 5:25 p.m. |
|
CSCO
|
Sale | 500 | Aug 14, 2026 | Aug. 17, 2026, 5:25 p.m. |
|
CSCO
|
Sale | 3,788 | Aug 14, 2026 | Aug. 17, 2026, 5:25 p.m. |
|
CSCO
|
Sale | 1,100 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 1,600 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 851 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 1,100 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 2,546 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 200 | Jun 11, 2026 | June 11, 2026, 7:08 p.m. |
|
CSCO
|
Sale | 2,005 | May 15, 2026 | May 19, 2026, 5:06 p.m. |
|
CSCO
|
Sale | 1,712 | May 15, 2026 | May 19, 2026, 5:06 p.m. |
|
CSCO
|
Sale | 300 | May 15, 2026 | May 19, 2026, 5:06 p.m. |
|
CSCO
|
Sale | 1,495 | May 15, 2026 | May 19, 2026, 5:06 p.m. |
|
CSCO
|
Sale | 2,391 | Mar 20, 2026 | March 23, 2026, 4:28 p.m. |
|
CSCO
|
Sale | 2,501 | Mar 20, 2026 | March 23, 2026, 4:28 p.m. |
|
CSCO
|
Sale | 48,632 | Nov 18, 2025 | Nov. 20, 2025, 6:45 p.m. |
|
CSCO
|
Sale | 20,284 | Nov 18, 2025 | Nov. 20, 2025, 6:45 p.m. |
|
CSCO
|
Sale | 7,230 | Aug 19, 2025 | Aug. 19, 2025, 6:56 p.m. |
$CSCO Executives and Stock Owners with Insider Trades
-
Deborah L Stahlkopf, EVP and Chief Legal Officer
-
Charles Robbins, Chair and CEO
-
Maria Victoria Wong, SVP & Chief Acctg Officer
-
Thimaya K. Subaiya, EVP, Operations
-
Jeetendra I Patel, President and CPO
-
Prat Bhatt, SVP & Chief Acctg Officer
-
Mark Patterson, EVP and CFO
-
Jeffery S. Sharritts, EVP & Chief Cust & Prtnr Offcr
-
Maria Martinez, EVP & Chief Operating Officer
-
Oliver Tuszik, EVP, Global Sales
-
Richard Scott Herren, EVP and CFO
-
Geraldine Elliott, EVP & Chief Cust & Prtnr Offcr
-
Nichlas A Fink, SVP, Chief Accounting Officer
*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.