X0609 4 2026-08-19 0 0000858877 CISCO SYSTEMS, INC. CSCO 0002015287 Subaiya Thimaya K. false 170 WEST TASMAN DRIVE SAN JOSE CA 95134 0 1 0 0 EVP, Operations 1 Common Stock 2026-08-19 4 S 0 2227 111.0018 D 131987.183 D Common Stock 2026-08-19 4 S 0 3605 111.7539 D 128382.183 D This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on March 17, 2026. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $110.52 to $111.30. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Includes 3,517.977 dividend equivalents accrued on unvested restricted stock units. Each dividend equivalent is the economic equivalent of one share of Cisco common stock. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $111.52 to $112.17. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. /s/ Thimaya K. Subaiya by Jeremy Erickson, Attorney-in-Fact 2026-08-20