Patterson Mark sold $579K of CSCO
Patterson Mark (EVP and CFO) sold 5,192 shares of CISCO SYSTEMS, INC. (CSCO) at an average of $111.51 ($110.60–$112.52, $0.58M total) across 3 trades on 2026-08-14 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
This provides transparency on insider activity but does not disclose any new business, financial, or regulatory development for Cisco.
Market read
Traders may monitor insider activity, but absent accompanying fundamental news, the likely impact is limited.
What to watch
The transaction size is meaningful in dollars but small relative to a mega-cap’s float, and 10b5-1 sales are often mechanically scheduled rather than discretionary.
Background
The article is an SEC Form 4 insider transaction disclosure for Cisco Systems, Inc. (CSCO) by Mark Patterson, EVP and CFO.
Ticker impact
Cisco CFO sold $578,979 of CSCO shares in an open-market transaction under a pre-arranged 10b5-1 plan, per Form 4 filed Aug. 17.
Likely minimal near-term impact; any reaction should be small and quickly fade unless accompanied by other news.
The filing is a primary-source Form 4, but it is explicitly tied to a pre-arranged 10b5-1 plan and does not include new operational or guidance information.
Market effects
No clear sector read-through; this is company-specific insider transaction data.
None indicated.
None indicated.
Counterpoint
Insider selling can still reflect private concerns, even with 10b5-1, if the plan timing coincides with new information.
Key entities
- issuerCisco Systems, Inc.
Subject of the Form 4 insider sale disclosure.
- insiderPatterson Mark
EVP and CFO who sold 5,192 shares across three trades on Aug. 14.
- trading mechanism10b5-1 plan
Pre-arranged plan noted as Yes, indicating sales were scheduled in advance.
