Patterson Mark sold $195K of CSCO
Patterson Mark (EVP and CFO) sold 1,795 shares of CISCO SYSTEMS, INC. (CSCO) at $108.87 ($0.20M total) on 2026-09-11 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The CFO's sale reduces his ownership stake, which may be interpreted by the market as a lack of confidence, though the 10b5-1 plan suggests pre-planned execution.
Market read
While the transaction size is modest, CFO involvement gives the sale modest relevance for short-term traders monitoring insider activity.
What to watch
Potential upcoming earnings or strategic announcements that could offset the sale impact.
Background
Form 4 filings provide the first public disclosure of insider transactions, offering timely insight into executive holdings.
Ticker impact
CFO Patterson Mark sold 1,795 Cisco shares for $195,421 via a 10b5-1 plan, reducing his stake to 165,778 shares.
Possible modest downward pressure over the next few days.
CFO insider sales are closely watched; the amount is modest but the executive role adds weight.
Market effects
Minimal impact on the broader networking sector; similar insider sales have limited sector ripple.
Primarily U.S. market focus; no notable regional effect.
Low global relevance; Cisco remains a large cap with diversified exposure.
Counterpoint
The sale could be routine portfolio rebalancing under a pre-arranged plan, not a bearish signal.
Key entities
- CompanyCisco Systems, Inc.
Global networking and cybersecurity firm.
- ExecutivePatterson Mark
Executive Vice President and Chief Financial Officer of Cisco.




