Quick Takeaways
- Mark Patterson has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $15,654,706.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Mark Patterson
- Location
- San Jose, CA
- Summary
- The estimated net worth of Mark Patterson is at least $15,654,706 dollars as of 23 Mar 2026. Mark Patterson is the EVP and CFO of CISCO SYSTEMS, INC. and owns shares of CISCO SYSTEMS, INC. (CSCO) stock worth about $15.65M.
- Signature
- /s/ Mark Patterson by Jay Higdon, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Mark Patterson and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: CISCO SYSTEMS, INC. ($15,654,706).
- Past-year value change for that position: -$6,192,944.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Official SEC Source
Filed on Form 4
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
See Original FilingOwnership of Mark Patterson
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CSCO | CISCO SYSTEMS, INC. | EVP and CFO | $15,654,706 | -$6,192,944 | -28% | 20 Mar 2026 |
Insider Transactions Reported by Mark Patterson:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.