Cisco (CSCO)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-18 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: CISCO SYSTEMS, INC. (CSCO) CIK: 0000858877 --- Reporting Owner --- Name: Tuszik Oliver CIK: 0002066411 Role: Officer (EVP, Global Sales) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-18 | Code: S (Open market sale) Shares: -3,132 | Price: $79.74 Total Value: $249,745.68 Shares Owned After: 188,612.992 | Ownership: D (Direct) Footnotes: [F1] This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 17, 2025. [F2] Includes 1,221.059 dividend equivalents accrued on unvested restricted stock units. Each dividend equivalent is the economic equivalent of one share of Cisco common stock. --- Footnotes (Complete Index) --- F1: This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 17, 2025. F2: Includes 1,221.059 dividend equivalents accrued on unvested restricted stock units. Each dividend equivalent is the economic equivalent of one share of Cisco common stock. --- Signature --- /s/ /s/ Oliver Tuszik by Jeremy Erickson, Attorney-in-Fact (2026-03-19)